From 360aae04727620ab611e90d2ddf6b5e8c39df93c Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 10:33:41 -0600
Subject: [PATCH 01/18] Remove dangerous eval function.

---
 centrallix-os/sys/js/ht_render.js | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 12c5b7faf..410dd13f6 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -310,14 +310,6 @@ function cxjs_right(s,l)
     if (s == null || l == null) return null;
     return s.substr(s.length-l);
     }
-function cxjs_eval(x)
-    {
-    var _this = null;
-    var _context = null;
-    if (x == null) return null;
-    if (typeof x == 'object') x = x.toString();
-    return eval(x);
-    }
 function cxjs_isnull(v,d)
     {
     if (v == null)

From efb7cc7b289ed98ce1f0f2c83fc406aa3ee362ec Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 10:33:49 -0600
Subject: [PATCH 02/18] Update copyright notice.

---
 centrallix-os/sys/js/ht_render.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 410dd13f6..b51a3490e 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -1,4 +1,4 @@
-// Copyright (C) 1998-2015 LightSys Technology Services, Inc.
+// Copyright (C) 1998-2026 LightSys Technology Services, Inc.
 //
 // You may use these files and this library under the terms of the
 // GNU Lesser General Public License, Version 2.1, contained in the

From 40bc78f98482102ca69a0435f8622365d07b8946 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 12:25:27 -0600
Subject: [PATCH 03/18] Add Claude Code's initial implementation of the
 following client-side functions: wordify, abs, replicate, datepart, datediff,
 dateformat, round, truncate, constrain, rand, sqrt, square, degrees, radians,
 power, moneyformat.

---
 centrallix-os/sys/js/ht_render.js | 351 ++++++++++++++++++++++++++++++
 1 file changed, 351 insertions(+)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index b51a3490e..d373bc46f 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -509,6 +509,357 @@ function cxjs_replace(str, srch, rep)
 		rep);
     }
 
+// Convert integer n to English words; result has a trailing space.
+function cxjs_wordify(n)
+    {
+    if (n == null) return null;
+
+    // Word tables
+    var digits = ["Zero","One","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten"];
+    var teens = ["Eleven","Twelve","Thirteen","Fourteen","Fifteen","Sixteen","Seventeen","Eighteen","Nineteen"];
+    var tens_w = ["Ten","Twenty","Thirty","Forty","Fifty","Sixty","Seventy","Eighty","Ninety"];
+    var mults = ["","Thousand","Million","Billion","Trillion","Quadrillion"];
+
+    // Normalize; handle sign
+    n = Math.round(n);
+    if (isNaN(n)) return null;
+    var abs_n = Math.abs(n);
+    var result = n < 0 ? "Negative " : "";
+
+    // Walk thousands-groups high to low
+    if (abs_n === 0)
+	{
+	result += "Zero ";
+	}
+    else
+	{
+	for (var mult = 5; mult >= 0; mult--)
+	    {
+	    var chunk = Math.floor(abs_n / Math.pow(1000, mult)) % 1000;
+	    if (chunk === 0) continue;
+	    if (chunk >= 100)
+		result += digits[Math.floor(chunk/100)] + " Hundred ";
+	    var rem = chunk % 100;
+	    if (rem > 19)
+		{
+		result += tens_w[Math.floor(rem/10)-1];
+		if (rem%10 !== 0) result += "-" + digits[rem%10] + " ";
+		else result += " ";
+		}
+	    else if (rem > 10) result += teens[rem-11] + " ";
+	    else if (rem > 0) result += digits[rem] + " ";
+	    if (chunk !== 0) result += mults[mult];
+	    if (chunk !== 0 && chunk > 10 && (chunk%10 !== 0 || chunk > 100) && mult !== 0)
+		result += ", ";
+	    else if (mult !== 0 && chunk !== 0)
+		result += " ";
+	    }
+	}
+    return result;
+    }
+
+// Repeat string s n times (capped at 255); returns null if n < 0.
+function cxjs_replicate(s, n)
+    {
+    if (s == null || n == null) return null;
+    s = String(s);
+    n = Math.floor(n);
+    if (n < 0) return null;
+    if (n > 255) n = 255;
+    var result = "";
+    for (var i = 0; i < n; i++) result += s;
+    return result;
+    }
+
+// Internal: parse M/D/YYYY H:MM:SS date string into a Date; returns null on failure.
+function cxjs__parsedate(s)
+    {
+    if (s == null) return null;
+    var m = String(s).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
+    if (!m) return null;
+    return new Date(parseInt(m[3],10), parseInt(m[1],10)-1, parseInt(m[2],10),
+	m[4]?parseInt(m[4],10):0, m[5]?parseInt(m[5],10):0, m[6]?parseInt(m[6],10):0, 0);
+    }
+
+// Extract year/month/day/hour/minute/second/weekday from a date string; returns int or null.
+function cxjs_datepart(part, datestr)
+    {
+    if (part == null || datestr == null) return null;
+    var d = cxjs__parsedate(datestr);
+    if (!d) return null;
+    switch(String(part).toLowerCase())
+	{
+	case "year":    return d.getFullYear();
+	case "month":   return d.getMonth() + 1;
+	case "day":     return d.getDate();
+	case "hour":    return d.getHours();
+	case "minute":  return d.getMinutes();
+	case "second":  return d.getSeconds();
+	case "weekday": return d.getDay() + 1;
+	}
+    return null;
+    }
+function cxjs_datediff(part, d1, d2)
+    {
+    if (part == null || d1 == null || d2 == null) return null;
+    var dt1 = cxjs__parsedate(d1);
+    var dt2 = cxjs__parsedate(d2);
+    if (!dt1 || !dt2) return null;
+    var sign = 1;
+    if (dt2 < dt1) { sign = -1; var tmp = dt2; dt2 = dt1; dt1 = tmp; }
+    part = String(part).toLowerCase();
+    if (part == "year")
+	return sign * (dt2.getFullYear() - dt1.getFullYear());
+    if (part == "month")
+	return sign * ((dt2.getFullYear()-dt1.getFullYear())*12 + dt2.getMonth()-dt1.getMonth());
+    var m1 = new Date(dt1.getFullYear(), dt1.getMonth(), dt1.getDate());
+    var m2 = new Date(dt2.getFullYear(), dt2.getMonth(), dt2.getDate());
+    var days = Math.round((m2 - m1) / 86400000);
+    if (part == "day") return sign * days;
+    var hours = days*24 + dt2.getHours() - dt1.getHours();
+    if (part == "hour") return sign * hours;
+    var minutes = hours*60 + dt2.getMinutes() - dt1.getMinutes();
+    if (part == "minute") return sign * minutes;
+    var seconds = minutes*60 + dt2.getSeconds() - dt1.getSeconds();
+    if (part == "second") return sign * seconds;
+    return null;
+    }
+function cxjs_dateformat(datestr, fmt)
+    {
+    if (datestr == null || fmt == null) return null;
+    var d = cxjs__parsedate(datestr);
+    if (!d) return null;
+    var sm = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
+    var lm = ["January","February","March","April","May","June","July","August","September","October","November","December"];
+    var result = "";
+    var append_ampm = 0;
+    var c, day, mo, hr, sfx, end;
+    var i = 0;
+    while (i < fmt.length)
+	{
+	c = fmt[i];
+	if (c == 'D')
+	    { i++; }
+	else if (c == 'd')
+	    {
+	    day = d.getDate();
+	    if (fmt[i+1]=='d' && fmt[i+2]=='d')
+		{
+		sfx = (day==1||day==21||day==31)?"st":(day==2||day==22)?"nd":(day==3||day==23)?"rd":"th";
+		result += day + sfx;
+		i += 3;
+		}
+	    else if (fmt[i+1]=='d')
+		{ result += (day<10?"0":"")+day; i += 2; }
+	    else
+		{ result += day; i++; }
+	    }
+	else if (c == 'M')
+	    {
+	    mo = d.getMonth();
+	    if (fmt[i+1]=='M' && fmt[i+2]=='M' && fmt[i+3]=='M')
+		{ result += lm[mo]; i += 4; }
+	    else if (fmt[i+1]=='M' && fmt[i+2]=='M')
+		{ result += sm[mo]; i += 3; }
+	    else if (fmt[i+1]=='M')
+		{ result += (mo+1<10?"0":"")+(mo+1); i += 2; }
+	    else
+		{ result += mo+1; i++; }
+	    }
+	else if (c == 'y')
+	    {
+	    if (fmt[i+1]=='y' && fmt[i+2]=='y' && fmt[i+3]=='y')
+		{ result += ("000"+d.getFullYear()).slice(-4); i += 4; }
+	    else if (fmt[i+1]=='y')
+		{ result += ("0"+(d.getFullYear()%100)).slice(-2); i += 2; }
+	    else { i++; }
+	    }
+	else if (c == 'H')
+	    {
+	    if (fmt[i+1]=='H')
+		{ result += (d.getHours()<10?"0":"")+d.getHours(); i++; }
+	    i++;
+	    append_ampm = 0;
+	    }
+	else if (c == 'h')
+	    {
+	    if (fmt[i+1]=='h')
+		{ hr = d.getHours()%12||12; result += (hr<10?"0":"")+hr; i++; }
+	    i++;
+	    append_ampm = 1;
+	    if (i >= fmt.length || fmt[i]==' ' || fmt[i]==',')
+		{ result += d.getHours()>=12?"PM":"AM"; append_ampm = 0; }
+	    }
+	else if (c == 'm')
+	    {
+	    if (fmt[i+1]=='m')
+		{ result += (d.getMinutes()<10?"0":"")+d.getMinutes(); i++; }
+	    i++;
+	    if (append_ampm && (i >= fmt.length || fmt[i]==' ' || fmt[i]==','))
+		{ result += d.getHours()>=12?"PM":"AM"; append_ampm = 0; }
+	    }
+	else if (c == 's')
+	    {
+	    if (fmt[i+1]=='s')
+		{ result += (d.getSeconds()<10?"0":"")+d.getSeconds(); i++; }
+	    i++;
+	    if (append_ampm && (i >= fmt.length || fmt[i]==' ' || fmt[i]==','))
+		{ result += d.getHours()>=12?"PM":"AM"; append_ampm = 0; }
+	    }
+	else if (c == 'I')
+	    { if (fmt[i+1]=='I') i++; i++; }
+	else if (c=='L' && i+2<fmt.length &&
+		 (fmt[i+1]=='m'||fmt[i+1]=='M'||fmt[i+1]=='w'||fmt[i+1]=='W') && fmt[i+2]=='[')
+	    {
+	    end = fmt.indexOf(']', i);
+	    i = (end >= 0) ? end+1 : i+1;
+	    }
+	else
+	    { result += c; i++; }
+	}
+    return result;
+    }
+function cxjs_abs(v)
+    {
+    if (v == null) return null;
+    return Math.abs(v);
+    }
+function cxjs_round(v, dec)
+    {
+    if (v == null) return null;
+    if (dec == null) dec = 0;
+    dec = Math.round(dec);
+    var factor = Math.pow(10, dec);
+    var scaled = v * factor;
+    return (v > 0 ? Math.floor(scaled+0.5) : Math.ceil(scaled-0.5)) / factor;
+    }
+function cxjs_truncate(v, dec)
+    {
+    if (v == null) return null;
+    if (dec == null) dec = 0;
+    dec = Math.round(dec);
+    var factor = Math.pow(10, dec);
+    var scaled = v * factor;
+    return (v > 0 ? Math.floor(scaled+0.000001) : Math.ceil(scaled-0.000001)) / factor;
+    }
+function cxjs_constrain(v, mn, mx)
+    {
+    if (v == null) return null;
+    if (mn != null && v < mn) return mn;
+    if (mx != null && v > mx) return mx;
+    return v;
+    }
+function cxjs_rand(seed)
+    {
+    return Math.random();
+    }
+function cxjs_sqrt(v)
+    {
+    if (v == null) return null;
+    var r = Math.sqrt(v);
+    return isNaN(r) ? null : r;
+    }
+function cxjs_square(v)
+    {
+    if (v == null) return null;
+    return v * v;
+    }
+function cxjs_power(n, p)
+    {
+    if (n == null || p == null) return null;
+    return Math.pow(n, p);
+    }
+function cxjs_degrees(v)
+    {
+    if (v == null) return null;
+    return v * 180.0 / Math.PI;
+    }
+function cxjs_radians(v)
+    {
+    if (v == null) return null;
+    return v * Math.PI / 180.0;
+    }
+function cxjs_moneyformat(v, fmt)
+    {
+    if (v == null || fmt == null) return null;
+    var num = parseFloat(v);
+    if (isNaN(num)) return null;
+    var is_neg = num < 0;
+    var abs_v = Math.abs(num);
+    var pw = Math.floor(abs_v);
+    var pf = Math.round((abs_v - pw) * 10000);
+    if (pf >= 10000) { pw++; pf = 0; }
+    var decimal_char = '.';
+    var comma_char = ',';
+    var zero_type = 0;
+    var zero_strings = [null, '-0-', '0', ''];
+    var automatic_sign = 1;
+    var tm = 1;
+    var pc, nc, pc2, c;
+    for (var pi = 0; pi < fmt.length && fmt[pi] != '.'; pi++)
+	{
+	pc = fmt[pi];
+	if (pc=='0'||pc=='#'||pc=='^'||pc==' '||pc=='*') tm *= 10;
+	else if (pc=='I') { decimal_char = ','; comma_char = '.'; }
+	else if (pc=='Z') zero_type = 1;
+	else if (pc=='z') zero_type = 2;
+	else if (pc=='B') zero_type = 3;
+	}
+    if (tm > 1) tm /= 10;
+    if (/[+\-\(\)\[\]]/.test(fmt)) automatic_sign = 0;
+    if (pw === 0 && pf === 0 && zero_type !== 0) return zero_strings[zero_type];
+    var result = '';
+    var suppressing_zeros = 1;
+    var in_decimal_part = 0;
+    var d;
+    var i = 0;
+    while (i < fmt.length)
+	{
+	c = fmt[i];
+	if (automatic_sign) { automatic_sign = 0; if (is_neg) result += '-'; }
+	switch(c)
+	    {
+	    case '$': result += '$'; break;
+	    case ' ': case '*': case '0': case '^': case '#':
+		if (!tm) break;
+		if (in_decimal_part)
+		    { d = Math.floor(pf/tm)%10; tm = Math.floor(tm/10); }
+		else
+		    { d = Math.floor(pw/tm); pw -= d*tm; tm = Math.floor(tm/10); }
+		if (d !== 0 || c=='0' || c=='^') suppressing_zeros = 0;
+		if (suppressing_zeros) { if (c==' '||c=='*') result += ' '; }
+		else result += d;
+		break;
+	    case ',':
+		if (!suppressing_zeros) result += comma_char;
+		else if (!((i>0 && fmt[i-1]=='#') || (i+1<fmt.length && fmt[i+1]=='#'))) result += ' ';
+		break;
+	    case '.':
+		if (pw !== 0) result += ''+pw;
+		in_decimal_part = 1; suppressing_zeros = 0; tm = 1000; result += decimal_char;
+		break;
+	    case '-': result += is_neg?'-':' '; break;
+	    case '+': result += is_neg?'-':'+'; break;
+	    case '[': result += !is_neg?'(':' '; break;
+	    case ']': result += !is_neg?')':' '; break;
+	    case '(': result += is_neg?'(':' '; break;
+	    case ')': result += is_neg?')':' '; break;
+	    default: break;
+	    }
+	i++;
+	nc = i < fmt.length ? fmt[i] : '\0';
+	pc2 = fmt[i-1];
+	if (nc==='\0'||nc===']'||nc===')'||
+	    ((nc==='+'||nc==='-')&&(pc2===' '||pc2==='*'||pc2==='#'||pc2==='0'||pc2==='^')))
+	    {
+	    if (pf && !in_decimal_part) { in_decimal_part=1; tm=1000; result+=decimal_char; }
+	    while (pf && in_decimal_part && tm && (pf%(tm*10))!==0)
+		{ d=Math.floor(pf/tm)%10; tm=Math.floor(tm/10); result+=''+d; }
+	    }
+	}
+    return result;
+    }
+
 function htr_boolean(v)
     {
     return !(v === null || v == undefined || v==0 || String(v).toLowerCase()=='no' || String(v).toLowerCase() == 'false' || String(v).toLowerCase() == 'off' || v == '0');

From db2bdc2bd64935bd2b152e9e9d76c491ab3324ce Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 12:50:49 -0600
Subject: [PATCH 04/18] Review wordify, replicate, and datepart.

---
 centrallix-os/sys/js/ht_render.js | 110 ++++++++++++++++++------------
 1 file changed, 66 insertions(+), 44 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index d373bc46f..5ceb06fb9 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -509,65 +509,74 @@ function cxjs_replace(str, srch, rep)
 		rep);
     }
 
-// Convert integer n to English words; result has a trailing space.
+
+// Convert integer number (n) to English words, with a trailing space.
 function cxjs_wordify(n)
     {
     if (n == null) return null;
-
-    // Word tables
-    var digits = ["Zero","One","Two","Three","Four","Five","Six","Seven","Eight","Nine","Ten"];
-    var teens = ["Eleven","Twelve","Thirteen","Fourteen","Fifteen","Sixteen","Seventeen","Eighteen","Nineteen"];
-    var tens_w = ["Ten","Twenty","Thirty","Forty","Fifty","Sixty","Seventy","Eighty","Ninety"];
-    var mults = ["","Thousand","Million","Billion","Trillion","Quadrillion"];
-
-    // Normalize; handle sign
+    
+    // Declare word tables.
+    const digits = ["Zero", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"];
+    const teens = ["Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen"];
+    const tens = ["Ten", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety"];
+    const multiples = ["", "Thousand", "Million", "Billion", "Trillion", "Quadrillion"];
+    
+    // Handle negative values and normalize n.
     n = Math.round(n);
     if (isNaN(n)) return null;
-    var abs_n = Math.abs(n);
-    var result = n < 0 ? "Negative " : "";
-
-    // Walk thousands-groups high to low
+    const abs_n = Math.abs(n);
+    let result = (n < 0) ? "Negative " : "";
+    
+    // Handle zero.
     if (abs_n === 0)
 	{
 	result += "Zero ";
+	return result;
 	}
-    else
+    
+    // Traverse thousands-chunks from highest to lowest.
+    for (let multiple = 5; multiple >= 0; multiple--)
 	{
-	for (var mult = 5; mult >= 0; mult--)
+	const chunk = Math.floor(abs_n / Math.pow(1000, multiple)) % 1000;
+	
+	if (chunk === 0) continue;
+	if (chunk >= 100)
+	    result += digits[Math.floor(chunk/100)] + " Hundred ";
+	
+	const rem = chunk % 100;
+	if (rem > 19)
 	    {
-	    var chunk = Math.floor(abs_n / Math.pow(1000, mult)) % 1000;
-	    if (chunk === 0) continue;
-	    if (chunk >= 100)
-		result += digits[Math.floor(chunk/100)] + " Hundred ";
-	    var rem = chunk % 100;
-	    if (rem > 19)
-		{
-		result += tens_w[Math.floor(rem/10)-1];
-		if (rem%10 !== 0) result += "-" + digits[rem%10] + " ";
-		else result += " ";
-		}
-	    else if (rem > 10) result += teens[rem-11] + " ";
-	    else if (rem > 0) result += digits[rem] + " ";
-	    if (chunk !== 0) result += mults[mult];
-	    if (chunk !== 0 && chunk > 10 && (chunk%10 !== 0 || chunk > 100) && mult !== 0)
-		result += ", ";
-	    else if (mult !== 0 && chunk !== 0)
-		result += " ";
+	    result += tens[Math.floor(rem/10)-1];
+	    if (rem%10 !== 0) result += "-" + digits[rem%10] + " ";
+	    else result += " ";
 	    }
+	else if (rem > 10) result += teens[rem-11] + " ";
+	else if (rem > 0) result += digits[rem] + " ";
+	
+	result += multiples[multiple];
+	if (chunk > 10 && (chunk%10 !== 0 || chunk > 100) && multiple !== 0)
+	    result += ", ";
+	else if (multiple !== 0 && chunk !== 0)
+	    result += " ";
 	}
     return result;
     }
 
-// Repeat string s n times (capped at 255); returns null if n < 0.
+// Repeat string s n times (up to 255); returns null if n < 0.
 function cxjs_replicate(s, n)
     {
     if (s == null || n == null) return null;
-    s = String(s);
-    n = Math.floor(n);
-    if (n < 0) return null;
-    if (n > 255) n = 255;
-    var result = "";
-    for (var i = 0; i < n; i++) result += s;
+    
+    // Process inputs.
+    const str = String(s);
+    let num = Math.floor(n);
+    if (num < 0) return null;
+    if (num > 255) num = 255;
+    
+    // Replicate string.
+    let result = "";
+    for (let i = 0; i < num; i++) result += str;
+    
     return result;
     }
 
@@ -575,19 +584,30 @@ function cxjs_replicate(s, n)
 function cxjs__parsedate(s)
     {
     if (s == null) return null;
-    var m = String(s).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
+    
+    const m = String(s).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
     if (!m) return null;
-    return new Date(parseInt(m[3],10), parseInt(m[1],10)-1, parseInt(m[2],10),
-	m[4]?parseInt(m[4],10):0, m[5]?parseInt(m[5],10):0, m[6]?parseInt(m[6],10):0, 0);
+    
+    return new Date(
+	parseInt(m[3], 10),
+	parseInt(m[1], 10) - 1,
+	parseInt(m[2], 10),
+	(m[4]) ? parseInt(m[4], 10) : 0,
+	(m[5]) ? parseInt(m[5], 10) : 0,
+	(m[6]) ? parseInt(m[6], 10) : 0,
+	0
+    );
     }
 
 // Extract year/month/day/hour/minute/second/weekday from a date string; returns int or null.
 function cxjs_datepart(part, datestr)
     {
     if (part == null || datestr == null) return null;
+    
     var d = cxjs__parsedate(datestr);
     if (!d) return null;
-    switch(String(part).toLowerCase())
+    
+    switch (String(part).toLowerCase())
 	{
 	case "year":    return d.getFullYear();
 	case "month":   return d.getMonth() + 1;
@@ -597,8 +617,10 @@ function cxjs_datepart(part, datestr)
 	case "second":  return d.getSeconds();
 	case "weekday": return d.getDay() + 1;
 	}
+    
     return null;
     }
+
 function cxjs_datediff(part, d1, d2)
     {
     if (part == null || d1 == null || d2 == null) return null;

From 00f34c87ea571dbeb57353e116d8acd239371555 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 12:58:39 -0600
Subject: [PATCH 05/18] Add more docs from Claude that it forgot to add before
 for some reason.

---
 centrallix-os/sys/js/ht_render.js | 48 +++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 5ceb06fb9..0c226adbe 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -621,19 +621,27 @@ function cxjs_datepart(part, datestr)
     return null;
     }
 
+// Signed difference (d2-d1) in part units; part: "year","month","day","hour","minute","second"; returns int or null.
 function cxjs_datediff(part, d1, d2)
     {
+    // Validate and parse.
     if (part == null || d1 == null || d2 == null) return null;
     var dt1 = cxjs__parsedate(d1);
     var dt2 = cxjs__parsedate(d2);
     if (!dt1 || !dt2) return null;
+
+    // Normalize order; get part name.
     var sign = 1;
     if (dt2 < dt1) { sign = -1; var tmp = dt2; dt2 = dt1; dt1 = tmp; }
     part = String(part).toLowerCase();
+
+    // Year and month parts.
     if (part == "year")
 	return sign * (dt2.getFullYear() - dt1.getFullYear());
     if (part == "month")
 	return sign * ((dt2.getFullYear()-dt1.getFullYear())*12 + dt2.getMonth()-dt1.getMonth());
+
+    // Day, hour, minute, second parts.
     var m1 = new Date(dt1.getFullYear(), dt1.getMonth(), dt1.getDate());
     var m2 = new Date(dt2.getFullYear(), dt2.getMonth(), dt2.getDate());
     var days = Math.round((m2 - m1) / 86400000);
@@ -646,17 +654,24 @@ function cxjs_datediff(part, d1, d2)
     if (part == "second") return sign * seconds;
     return null;
     }
+
+// Format date string datestr using fmt (see centrallix-sysdoc format chars); returns null on invalid input.
 function cxjs_dateformat(datestr, fmt)
     {
+    // Validate and parse.
     if (datestr == null || fmt == null) return null;
     var d = cxjs__parsedate(datestr);
     if (!d) return null;
+
+    // Month name tables and state vars.
     var sm = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
     var lm = ["January","February","March","April","May","June","July","August","September","October","November","December"];
     var result = "";
     var append_ampm = 0;
     var c, day, mo, hr, sfx, end;
     var i = 0;
+
+    // Scan format string.
     while (i < fmt.length)
 	{
 	c = fmt[i];
@@ -741,29 +756,43 @@ function cxjs_dateformat(datestr, fmt)
 	}
     return result;
     }
+
+// Absolute value of v; returns null if v is null.
 function cxjs_abs(v)
     {
     if (v == null) return null;
     return Math.abs(v);
     }
+
+// Round v to dec decimal places (default 0), toward nearest; returns null if v is null.
 function cxjs_round(v, dec)
     {
+    // Validate; normalize dec.
     if (v == null) return null;
     if (dec == null) dec = 0;
     dec = Math.round(dec);
+
+    // Scale, round, unscale.
     var factor = Math.pow(10, dec);
     var scaled = v * factor;
     return (v > 0 ? Math.floor(scaled+0.5) : Math.ceil(scaled-0.5)) / factor;
     }
+
+// Truncate v toward zero to dec decimal places (default 0); returns null if v is null.
 function cxjs_truncate(v, dec)
     {
+    // Validate; normalize dec.
     if (v == null) return null;
     if (dec == null) dec = 0;
     dec = Math.round(dec);
+
+    // Scale, truncate, unscale.
     var factor = Math.pow(10, dec);
     var scaled = v * factor;
     return (v > 0 ? Math.floor(scaled+0.000001) : Math.ceil(scaled-0.000001)) / factor;
     }
+
+// Clamp v to [mn, mx]; either bound may be null (unbounded); returns null if v is null.
 function cxjs_constrain(v, mn, mx)
     {
     if (v == null) return null;
@@ -771,38 +800,53 @@ function cxjs_constrain(v, mn, mx)
     if (mx != null && v > mx) return mx;
     return v;
     }
+
+// Return a random float in [0,1); seed is accepted but ignored.
 function cxjs_rand(seed)
     {
     return Math.random();
     }
+
+// Square root of v; returns null if v is null or negative.
 function cxjs_sqrt(v)
     {
     if (v == null) return null;
     var r = Math.sqrt(v);
     return isNaN(r) ? null : r;
     }
+
+// v squared; returns null if v is null.
 function cxjs_square(v)
     {
     if (v == null) return null;
     return v * v;
     }
+
+// n raised to power p; returns null if either is null.
 function cxjs_power(n, p)
     {
     if (n == null || p == null) return null;
     return Math.pow(n, p);
     }
+
+// Convert radians to degrees; returns null if v is null.
 function cxjs_degrees(v)
     {
     if (v == null) return null;
     return v * 180.0 / Math.PI;
     }
+
+// Convert degrees to radians; returns null if v is null.
 function cxjs_radians(v)
     {
     if (v == null) return null;
     return v * Math.PI / 180.0;
     }
+
+// Format number v as money using fmt format string (see centrallix-sysdoc format chars); returns null on invalid input.
 function cxjs_moneyformat(v, fmt)
     {
+    // Validate and parse number.
     if (v == null || fmt == null) return null;
     var num = parseFloat(v);
     if (isNaN(num)) return null;
@@ -811,6 +855,8 @@ function cxjs_moneyformat(v, fmt)
     var pw = Math.floor(abs_v);
     var pf = Math.round((abs_v - pw) * 10000);
     if (pf >= 10000) { pw++; pf = 0; }
+
+    // Init state; scan pre-decimal format for width and sign options.
     var decimal_char = '.';
     var comma_char = ',';
     var zero_type = 0;
@@ -830,6 +876,8 @@ function cxjs_moneyformat(v, fmt)
     if (tm > 1) tm /= 10;
     if (/[+\-\(\)\[\]]/.test(fmt)) automatic_sign = 0;
     if (pw === 0 && pf === 0 && zero_type !== 0) return zero_strings[zero_type];
+
+    // Format result string.
     var result = '';
     var suppressing_zeros = 1;
     var in_decimal_part = 0;

From b7a9cf4c99bf36f8020bfdbd088cfaf0f2a4bda4 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 13:54:31 -0600
Subject: [PATCH 06/18] Review datediff and dateformat.

---
 centrallix-os/sys/js/ht_render.js | 267 ++++++++++++++++++------------
 1 file changed, 165 insertions(+), 102 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 0c226adbe..adbbb63df 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -604,7 +604,7 @@ function cxjs_datepart(part, datestr)
     {
     if (part == null || datestr == null) return null;
     
-    var d = cxjs__parsedate(datestr);
+    const d = cxjs__parsedate(datestr);
     if (!d) return null;
     
     switch (String(part).toLowerCase())
@@ -621,37 +621,46 @@ function cxjs_datepart(part, datestr)
     return null;
     }
 
-// Signed difference (d2-d1) in part units; part: "year","month","day","hour","minute","second"; returns int or null.
+// Calculate the signed difference (d2-d1) between dates and return the
+// requested datetime part (e.g. "year", "month", "day", "hour", "minute",
+// "second"), or null on failure.
 function cxjs_datediff(part, d1, d2)
     {
-    // Validate and parse.
+    // Validate and parse dates.
     if (part == null || d1 == null || d2 == null) return null;
-    var dt1 = cxjs__parsedate(d1);
-    var dt2 = cxjs__parsedate(d2);
+    let dt1 = cxjs__parsedate(d1);
+    let dt2 = cxjs__parsedate(d2);
     if (!dt1 || !dt2) return null;
 
     // Normalize order; get part name.
-    var sign = 1;
-    if (dt2 < dt1) { sign = -1; var tmp = dt2; dt2 = dt1; dt1 = tmp; }
+    let sign = 1;
+    if (dt2 < dt1)
+	{
+	sign = -1;
+	const tmp = dt2;
+	dt2 = dt1;
+	dt1 = tmp;
+    }
     part = String(part).toLowerCase();
 
     // Year and month parts.
-    if (part == "year")
+    if (part === "year")
 	return sign * (dt2.getFullYear() - dt1.getFullYear());
-    if (part == "month")
+    if (part === "month")
 	return sign * ((dt2.getFullYear()-dt1.getFullYear())*12 + dt2.getMonth()-dt1.getMonth());
 
     // Day, hour, minute, second parts.
-    var m1 = new Date(dt1.getFullYear(), dt1.getMonth(), dt1.getDate());
-    var m2 = new Date(dt2.getFullYear(), dt2.getMonth(), dt2.getDate());
-    var days = Math.round((m2 - m1) / 86400000);
-    if (part == "day") return sign * days;
-    var hours = days*24 + dt2.getHours() - dt1.getHours();
-    if (part == "hour") return sign * hours;
-    var minutes = hours*60 + dt2.getMinutes() - dt1.getMinutes();
-    if (part == "minute") return sign * minutes;
-    var seconds = minutes*60 + dt2.getSeconds() - dt1.getSeconds();
-    if (part == "second") return sign * seconds;
+    const m1 = new Date(dt1.getFullYear(), dt1.getMonth(), dt1.getDate());
+    const m2 = new Date(dt2.getFullYear(), dt2.getMonth(), dt2.getDate());
+    const days = Math.round((m2 - m1) / 86400000);
+    if (part === "day") return sign * days;
+    const hours = days*24 + dt2.getHours() - dt1.getHours();
+    if (part === "hour") return sign * hours;
+    const minutes = hours*60 + dt2.getMinutes() - dt1.getMinutes();
+    if (part === "minute") return sign * minutes;
+    const seconds = minutes*60 + dt2.getSeconds() - dt1.getSeconds();
+    if (part === "second") return sign * seconds;
+    
     return null;
     }
 
@@ -660,100 +669,154 @@ function cxjs_dateformat(datestr, fmt)
     {
     // Validate and parse.
     if (datestr == null || fmt == null) return null;
-    var d = cxjs__parsedate(datestr);
+    const d = cxjs__parsedate(datestr);
     if (!d) return null;
 
-    // Month name tables and state vars.
-    var sm = ["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];
-    var lm = ["January","February","March","April","May","June","July","August","September","October","November","December"];
-    var result = "";
-    var append_ampm = 0;
-    var c, day, mo, hr, sfx, end;
-    var i = 0;
+    // Month name tables.
+    const month_abbrevs = ["", "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
+    const month_names = ["", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
 
+    // Declare state variables.
+    let result = "";
+    let i = 0;
+    const append = (str, n) =>
+	{
+	result += str;
+	i += n;
+	}
+    
+    // Handle AM & PM.
+    let append_am_pm = 0;
+    const check_append_am_pm = () =>
+	{
+	if (!append_am_pm) return;
+	if (i >= fmt.length || fmt[i]===' ' || fmt[i]===',')
+	    {
+	    result += (d.getHours() >= 12) ? "PM" : "AM";
+	    append_am_pm = 0;
+	    }
+	}
+    
     // Scan format string.
     while (i < fmt.length)
 	{
-	c = fmt[i];
-	if (c == 'D')
-	    { i++; }
-	else if (c == 'd')
+	const c = fmt[i];
+	switch (c)
 	    {
-	    day = d.getDate();
-	    if (fmt[i+1]=='d' && fmt[i+2]=='d')
+	    case 'D': i++; break;
+	    case 'd':
 		{
-		sfx = (day==1||day==21||day==31)?"st":(day==2||day==22)?"nd":(day==3||day==23)?"rd":"th";
-		result += day + sfx;
-		i += 3;
+		const day = d.getDate();
+		if (fmt[i+1] === 'd' && fmt[i+2] === 'd')
+		    {
+		    const suffix =
+		        (day === 1 || day === 21 || day === 31) ? "st" :
+			(day === 2 || day === 22) ? "nd" :
+			(day === 3 || day === 23) ? "rd" :
+			"th";
+		    append(day + suffix, 3);
+		    }
+		else if (fmt[i+1] === 'd')
+		    {
+		    append(((day < 10) ? "0" : "") + day, 2);
+		    }
+		else
+		    {
+		    append(day, 1);
+		    }
+		break;
+		}
+	    case 'M':
+		{
+		const month = d.getMonth() + 1;
+		
+		// MMMM
+		if (fmt[i+1] === 'M' && fmt[i+2] === 'M' && fmt[i+3] === 'M')
+		    append(month_names[month], 4);
+		// MMM
+		else if (fmt[i+1] === 'M' && fmt[i+2] === 'M')
+		    append(month_abbrevs[month], 3);
+		// MM
+		else if (fmt[i+1] === 'M')
+		    append(((month < 10) ? "0" : "") + (month), 2);
+		// M
+		else
+		    append(month, 1);
+		
+		break;
+		}
+	    case 'y':
+		{
+		if (fmt[i+1] === 'y' && fmt[i+2] === 'y' && fmt[i+3] === 'y')
+		    append(("000" + d.getFullYear()).slice(-4), 4);
+		else if (fmt[i+1] === 'y')
+		    append(("0" + (d.getFullYear()%100)).slice(-2), 2);
+		else i++;
+		break;
+		}
+	    case 'H':
+		{
+		if (fmt[i+1] === 'H')
+		    append(((d.getHours() < 10) ? "0" : "") + d.getHours(), 1);
+		i++;
+		append_am_pm = 0;
+		break;
+		}
+	    case 'h':
+		{
+		if (fmt[i+1] === 'h')
+		    {
+		    const hr = d.getHours() % 12 || 12;
+		    append(((hr < 10) ? "0" : "") + hr, 1);
+		    }
+		i++;
+		append_am_pm = 1;
+		check_append_am_pm();
+		break;
+		}
+	    case 'm':
+		{
+		if (fmt[i+1] === 'm')
+		    append(((d.getMinutes() < 10) ? "0" : "") + d.getMinutes(), 1);
+		i++;
+		check_append_am_pm();
+		break;
+		}
+	    case 's':
+		{
+		if (fmt[i+1] === 's')
+		    append(((d.getSeconds() < 10) ? "0" : "") + d.getSeconds(), 1);
+		i++;
+		check_append_am_pm();
+		break;
+		}
+	    case 'I':
+		{
+		if (fmt[i+1] === 'I')
+		    i++;
+		i++;
+		break;
+		}
+	    case 'L': if (
+		i + 2 < fmt.length && (
+		    fmt[i+1] === 'm' ||
+		    fmt[i+1] === 'M' ||
+		    fmt[i+1] === 'w' ||
+		    fmt[i+1] === 'W'
+		) && fmt[i+2] === '[')
+		{
+		const end = fmt.indexOf(']', i);
+		i = (end >= 0) ? end+1 : i+1;
+		break;
+		} // Fallthrough
+	    default:
+		{
+		append(c, 1);
+		break;
 		}
-	    else if (fmt[i+1]=='d')
-		{ result += (day<10?"0":"")+day; i += 2; }
-	    else
-		{ result += day; i++; }
-	    }
-	else if (c == 'M')
-	    {
-	    mo = d.getMonth();
-	    if (fmt[i+1]=='M' && fmt[i+2]=='M' && fmt[i+3]=='M')
-		{ result += lm[mo]; i += 4; }
-	    else if (fmt[i+1]=='M' && fmt[i+2]=='M')
-		{ result += sm[mo]; i += 3; }
-	    else if (fmt[i+1]=='M')
-		{ result += (mo+1<10?"0":"")+(mo+1); i += 2; }
-	    else
-		{ result += mo+1; i++; }
-	    }
-	else if (c == 'y')
-	    {
-	    if (fmt[i+1]=='y' && fmt[i+2]=='y' && fmt[i+3]=='y')
-		{ result += ("000"+d.getFullYear()).slice(-4); i += 4; }
-	    else if (fmt[i+1]=='y')
-		{ result += ("0"+(d.getFullYear()%100)).slice(-2); i += 2; }
-	    else { i++; }
-	    }
-	else if (c == 'H')
-	    {
-	    if (fmt[i+1]=='H')
-		{ result += (d.getHours()<10?"0":"")+d.getHours(); i++; }
-	    i++;
-	    append_ampm = 0;
-	    }
-	else if (c == 'h')
-	    {
-	    if (fmt[i+1]=='h')
-		{ hr = d.getHours()%12||12; result += (hr<10?"0":"")+hr; i++; }
-	    i++;
-	    append_ampm = 1;
-	    if (i >= fmt.length || fmt[i]==' ' || fmt[i]==',')
-		{ result += d.getHours()>=12?"PM":"AM"; append_ampm = 0; }
-	    }
-	else if (c == 'm')
-	    {
-	    if (fmt[i+1]=='m')
-		{ result += (d.getMinutes()<10?"0":"")+d.getMinutes(); i++; }
-	    i++;
-	    if (append_ampm && (i >= fmt.length || fmt[i]==' ' || fmt[i]==','))
-		{ result += d.getHours()>=12?"PM":"AM"; append_ampm = 0; }
-	    }
-	else if (c == 's')
-	    {
-	    if (fmt[i+1]=='s')
-		{ result += (d.getSeconds()<10?"0":"")+d.getSeconds(); i++; }
-	    i++;
-	    if (append_ampm && (i >= fmt.length || fmt[i]==' ' || fmt[i]==','))
-		{ result += d.getHours()>=12?"PM":"AM"; append_ampm = 0; }
-	    }
-	else if (c == 'I')
-	    { if (fmt[i+1]=='I') i++; i++; }
-	else if (c=='L' && i+2<fmt.length &&
-		 (fmt[i+1]=='m'||fmt[i+1]=='M'||fmt[i+1]=='w'||fmt[i+1]=='W') && fmt[i+2]=='[')
-	    {
-	    end = fmt.indexOf(']', i);
-	    i = (end >= 0) ? end+1 : i+1;
 	    }
-	else
-	    { result += c; i++; }
 	}
+     
     return result;
     }
 

From cbe849bae70b17ee69eda6f1b91a732311459696 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 13:57:05 -0600
Subject: [PATCH 07/18] Improve some table formatting.

---
 centrallix-os/sys/js/ht_render.js | 31 +++++++++++++++++++++++++------
 1 file changed, 25 insertions(+), 6 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index adbbb63df..6e764862a 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -516,10 +516,21 @@ function cxjs_wordify(n)
     if (n == null) return null;
     
     // Declare word tables.
-    const digits = ["Zero", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"];
-    const teens = ["Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen"];
-    const tens = ["Ten", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety"];
-    const multiples = ["", "Thousand", "Million", "Billion", "Trillion", "Quadrillion"];
+    const digits = [
+	"Zero", "One", "Two", "Three", "Four", "Five",
+	"Six", "Seven", "Eight", "Nine", "Ten"
+    ];
+    const teens = [
+	"Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen",
+	"Sixteen", "Seventeen", "Eighteen", "Nineteen"
+    ];
+    const tens = [
+	"Ten", "Twenty", "Thirty", "Forty", "Fifty",
+	"Sixty", "Seventy", "Eighty", "Ninety"
+    ];
+    const multiples = ["",
+	"Thousand", "Million", "Billion", "Trillion", "Quadrillion"
+    ];
     
     // Handle negative values and normalize n.
     n = Math.round(n);
@@ -673,8 +684,16 @@ function cxjs_dateformat(datestr, fmt)
     if (!d) return null;
 
     // Month name tables.
-    const month_abbrevs = ["", "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
-    const month_names = ["", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
+    const month_abbrevs = ["",
+	"Jan", "Feb", "Mar", "Apr",
+	"May", "Jun", "Jul", "Aug",
+	"Sep", "Oct", "Nov", "Dec"
+    ];
+    const month_names = ["",
+	"January", "February", "March", "April",
+	"May", "June", "July", "August",
+	"September", "October", "November", "December"
+    ];
 
     // Declare state variables.
     let result = "";

From 878f1b2a0de68c64ac1727e565e28dee0fd9ed8c Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 15:18:15 -0600
Subject: [PATCH 08/18] Fix bad variable naming.

---
 centrallix-os/sys/js/ht_render.js | 126 +++++++++++++++---------------
 1 file changed, 63 insertions(+), 63 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 6e764862a..f5ccaea55 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -592,55 +592,55 @@ function cxjs_replicate(s, n)
     }
 
 // Internal: parse M/D/YYYY H:MM:SS date string into a Date; returns null on failure.
-function cxjs__parsedate(s)
+function cxjs__parsedate(date_str)
     {
-    if (s == null) return null;
+    if (date_str == null) return null;
     
-    const m = String(s).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
-    if (!m) return null;
+    const match = String(date_str).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
+    if (!match) return null;
     
     return new Date(
-	parseInt(m[3], 10),
-	parseInt(m[1], 10) - 1,
-	parseInt(m[2], 10),
-	(m[4]) ? parseInt(m[4], 10) : 0,
-	(m[5]) ? parseInt(m[5], 10) : 0,
-	(m[6]) ? parseInt(m[6], 10) : 0,
+	parseInt(match[3], 10),
+	parseInt(match[1], 10) - 1,
+	parseInt(match[2], 10),
+	(match[4]) ? parseInt(match[4], 10) : 0,
+	(match[5]) ? parseInt(match[5], 10) : 0,
+	(match[6]) ? parseInt(match[6], 10) : 0,
 	0
     );
     }
 
-// Extract year/month/day/hour/minute/second/weekday from a date string; returns int or null.
-function cxjs_datepart(part, datestr)
+// Extract year/month/day/hour/minute/second/weekday from date_str; returns int or null.
+function cxjs_datepart(part, date_str)
     {
-    if (part == null || datestr == null) return null;
+    if (part == null || date_str == null) return null;
     
-    const d = cxjs__parsedate(datestr);
-    if (!d) return null;
+    const datetime = cxjs__parsedate(date_str);
+    if (!datetime) return null;
     
     switch (String(part).toLowerCase())
 	{
-	case "year":    return d.getFullYear();
-	case "month":   return d.getMonth() + 1;
-	case "day":     return d.getDate();
-	case "hour":    return d.getHours();
-	case "minute":  return d.getMinutes();
-	case "second":  return d.getSeconds();
-	case "weekday": return d.getDay() + 1;
+	case "year":    return datetime.getFullYear();
+	case "month":   return datetime.getMonth() + 1;
+	case "day":     return datetime.getDate();
+	case "hour":    return datetime.getHours();
+	case "minute":  return datetime.getMinutes();
+	case "second":  return datetime.getSeconds();
+	case "weekday": return datetime.getDay() + 1;
 	}
     
     return null;
     }
 
-// Calculate the signed difference (d2-d1) between dates and return the
+// Calculate the signed difference (date2-date1) between dates and return the
 // requested datetime part (e.g. "year", "month", "day", "hour", "minute",
 // "second"), or null on failure.
-function cxjs_datediff(part, d1, d2)
+function cxjs_datediff(part, date1, date2)
     {
     // Validate and parse dates.
-    if (part == null || d1 == null || d2 == null) return null;
-    let dt1 = cxjs__parsedate(d1);
-    let dt2 = cxjs__parsedate(d2);
+    if (part == null || date1 == null || date2 == null) return null;
+    let dt1 = cxjs__parsedate(date1);
+    let dt2 = cxjs__parsedate(date2);
     if (!dt1 || !dt2) return null;
 
     // Normalize order; get part name.
@@ -658,7 +658,7 @@ function cxjs_datediff(part, d1, d2)
     if (part === "year")
 	return sign * (dt2.getFullYear() - dt1.getFullYear());
     if (part === "month")
-	return sign * ((dt2.getFullYear()-dt1.getFullYear())*12 + dt2.getMonth()-dt1.getMonth());
+	return sign * ((dt2.getFullYear() - dt1.getFullYear())*12 + dt2.getMonth()-dt1.getMonth());
 
     // Day, hour, minute, second parts.
     const m1 = new Date(dt1.getFullYear(), dt1.getMonth(), dt1.getDate());
@@ -675,12 +675,12 @@ function cxjs_datediff(part, d1, d2)
     return null;
     }
 
-// Format date string datestr using fmt (see centrallix-sysdoc format chars); returns null on invalid input.
-function cxjs_dateformat(datestr, fmt)
+// Format date string date_str using format (see centrallix-sysdoc format chars); returns null on invalid input.
+function cxjs_dateformat(date_str, format)
     {
     // Validate and parse.
-    if (datestr == null || fmt == null) return null;
-    const d = cxjs__parsedate(datestr);
+    if (date_str == null || format == null) return null;
+    const d = cxjs__parsedate(date_str);
     if (!d) return null;
 
     // Month name tables.
@@ -709,7 +709,7 @@ function cxjs_dateformat(datestr, fmt)
     const check_append_am_pm = () =>
 	{
 	if (!append_am_pm) return;
-	if (i >= fmt.length || fmt[i]===' ' || fmt[i]===',')
+	if (i >= format.length || format[i]===' ' || format[i]===',')
 	    {
 	    result += (d.getHours() >= 12) ? "PM" : "AM";
 	    append_am_pm = 0;
@@ -717,16 +717,16 @@ function cxjs_dateformat(datestr, fmt)
 	}
     
     // Scan format string.
-    while (i < fmt.length)
+    while (i < format.length)
 	{
-	const c = fmt[i];
+	const c = format[i];
 	switch (c)
 	    {
 	    case 'D': i++; break;
 	    case 'd':
 		{
 		const day = d.getDate();
-		if (fmt[i+1] === 'd' && fmt[i+2] === 'd')
+		if (format[i+1] === 'd' && format[i+2] === 'd')
 		    {
 		    const suffix =
 		        (day === 1 || day === 21 || day === 31) ? "st" :
@@ -735,7 +735,7 @@ function cxjs_dateformat(datestr, fmt)
 			"th";
 		    append(day + suffix, 3);
 		    }
-		else if (fmt[i+1] === 'd')
+		else if (format[i+1] === 'd')
 		    {
 		    append(((day < 10) ? "0" : "") + day, 2);
 		    }
@@ -750,13 +750,13 @@ function cxjs_dateformat(datestr, fmt)
 		const month = d.getMonth() + 1;
 		
 		// MMMM
-		if (fmt[i+1] === 'M' && fmt[i+2] === 'M' && fmt[i+3] === 'M')
+		if (format[i+1] === 'M' && format[i+2] === 'M' && format[i+3] === 'M')
 		    append(month_names[month], 4);
 		// MMM
-		else if (fmt[i+1] === 'M' && fmt[i+2] === 'M')
+		else if (format[i+1] === 'M' && format[i+2] === 'M')
 		    append(month_abbrevs[month], 3);
 		// MM
-		else if (fmt[i+1] === 'M')
+		else if (format[i+1] === 'M')
 		    append(((month < 10) ? "0" : "") + (month), 2);
 		// M
 		else
@@ -766,16 +766,16 @@ function cxjs_dateformat(datestr, fmt)
 		}
 	    case 'y':
 		{
-		if (fmt[i+1] === 'y' && fmt[i+2] === 'y' && fmt[i+3] === 'y')
+		if (format[i+1] === 'y' && format[i+2] === 'y' && format[i+3] === 'y')
 		    append(("000" + d.getFullYear()).slice(-4), 4);
-		else if (fmt[i+1] === 'y')
+		else if (format[i+1] === 'y')
 		    append(("0" + (d.getFullYear()%100)).slice(-2), 2);
 		else i++;
 		break;
 		}
 	    case 'H':
 		{
-		if (fmt[i+1] === 'H')
+		if (format[i+1] === 'H')
 		    append(((d.getHours() < 10) ? "0" : "") + d.getHours(), 1);
 		i++;
 		append_am_pm = 0;
@@ -783,7 +783,7 @@ function cxjs_dateformat(datestr, fmt)
 		}
 	    case 'h':
 		{
-		if (fmt[i+1] === 'h')
+		if (format[i+1] === 'h')
 		    {
 		    const hr = d.getHours() % 12 || 12;
 		    append(((hr < 10) ? "0" : "") + hr, 1);
@@ -795,7 +795,7 @@ function cxjs_dateformat(datestr, fmt)
 		}
 	    case 'm':
 		{
-		if (fmt[i+1] === 'm')
+		if (format[i+1] === 'm')
 		    append(((d.getMinutes() < 10) ? "0" : "") + d.getMinutes(), 1);
 		i++;
 		check_append_am_pm();
@@ -803,7 +803,7 @@ function cxjs_dateformat(datestr, fmt)
 		}
 	    case 's':
 		{
-		if (fmt[i+1] === 's')
+		if (format[i+1] === 's')
 		    append(((d.getSeconds() < 10) ? "0" : "") + d.getSeconds(), 1);
 		i++;
 		check_append_am_pm();
@@ -811,20 +811,20 @@ function cxjs_dateformat(datestr, fmt)
 		}
 	    case 'I':
 		{
-		if (fmt[i+1] === 'I')
+		if (format[i+1] === 'I')
 		    i++;
 		i++;
 		break;
 		}
 	    case 'L': if (
-		i + 2 < fmt.length && (
-		    fmt[i+1] === 'm' ||
-		    fmt[i+1] === 'M' ||
-		    fmt[i+1] === 'w' ||
-		    fmt[i+1] === 'W'
-		) && fmt[i+2] === '[')
+		i + 2 < format.length && (
+		    format[i+1] === 'm' ||
+		    format[i+1] === 'M' ||
+		    format[i+1] === 'w' ||
+		    format[i+1] === 'W'
+		) && format[i+2] === '[')
 		{
-		const end = fmt.indexOf(']', i);
+		const end = format.indexOf(']', i);
 		i = (end >= 0) ? end+1 : i+1;
 		break;
 		} // Fallthrough
@@ -839,25 +839,25 @@ function cxjs_dateformat(datestr, fmt)
     return result;
     }
 
-// Absolute value of v; returns null if v is null.
-function cxjs_abs(v)
+// Absolute value of n; returns null if n is null.
+function cxjs_abs(n)
     {
-    if (v == null) return null;
-    return Math.abs(v);
+    if (n == null) return null;
+    return Math.abs(n);
     }
 
-// Round v to dec decimal places (default 0), toward nearest; returns null if v is null.
-function cxjs_round(v, dec)
+// Round n to dec decimal places (default 0), toward nearest; returns null if n is null.
+function cxjs_round(n, dec)
     {
     // Validate; normalize dec.
-    if (v == null) return null;
+    if (n == null) return null;
     if (dec == null) dec = 0;
     dec = Math.round(dec);
 
     // Scale, round, unscale.
     var factor = Math.pow(10, dec);
-    var scaled = v * factor;
-    return (v > 0 ? Math.floor(scaled+0.5) : Math.ceil(scaled-0.5)) / factor;
+    var scaled = n * factor;
+    return (n > 0 ? Math.floor(scaled+0.5) : Math.ceil(scaled-0.5)) / factor;
     }
 
 // Truncate v toward zero to dec decimal places (default 0); returns null if v is null.

From 46842df466a9f345983ece71e6c75aa02dc61493 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 15:43:34 -0600
Subject: [PATCH 09/18] Review abs, round, truncate, constrain, rand, sqrt,
 square, power, degrees, and radians.

---
 centrallix-os/sys/js/ht_render.js | 95 +++++++++++++++++--------------
 1 file changed, 51 insertions(+), 44 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index f5ccaea55..1e86284a6 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -578,7 +578,7 @@ function cxjs_replicate(s, n)
     {
     if (s == null || n == null) return null;
     
-    // Process inputs.
+    // Process parameters.
     const str = String(s);
     let num = Math.floor(n);
     if (num < 0) return null;
@@ -637,7 +637,7 @@ function cxjs_datepart(part, date_str)
 // "second"), or null on failure.
 function cxjs_datediff(part, date1, date2)
     {
-    // Validate and parse dates.
+    // Validate and parse parameters.
     if (part == null || date1 == null || date2 == null) return null;
     let dt1 = cxjs__parsedate(date1);
     let dt2 = cxjs__parsedate(date2);
@@ -678,7 +678,7 @@ function cxjs_datediff(part, date1, date2)
 // Format date string date_str using format (see centrallix-sysdoc format chars); returns null on invalid input.
 function cxjs_dateformat(date_str, format)
     {
-    // Validate and parse.
+    // Validate and parse parameters.
     if (date_str == null || format == null) return null;
     const d = cxjs__parsedate(date_str);
     if (!d) return null;
@@ -839,90 +839,97 @@ function cxjs_dateformat(date_str, format)
     return result;
     }
 
-// Absolute value of n; returns null if n is null.
+// Absolute value of n. Returns null if n is null.
 function cxjs_abs(n)
     {
     if (n == null) return null;
     return Math.abs(n);
     }
 
-// Round n to dec decimal places (default 0), toward nearest; returns null if n is null.
+// Round n to dec decimal places (default 0), toward nearest.
+// Returns null if n is null.
 function cxjs_round(n, dec)
     {
-    // Validate; normalize dec.
+    // Validate parameters.
     if (n == null) return null;
     if (dec == null) dec = 0;
-    dec = Math.round(dec);
-
+    dec = Math.round(dec); // Normalize.
+    
     // Scale, round, unscale.
-    var factor = Math.pow(10, dec);
-    var scaled = n * factor;
-    return (n > 0 ? Math.floor(scaled+0.5) : Math.ceil(scaled-0.5)) / factor;
+    const factor = Math.pow(10, dec);
+    const scaled = n * factor;
+    const rounded = ((n > 0) ? Math.floor(scaled+0.5) : Math.ceil(scaled-0.5));
+    return rounded / factor;
     }
 
-// Truncate v toward zero to dec decimal places (default 0); returns null if v is null.
-function cxjs_truncate(v, dec)
+// Truncate n toward zero to dec decimal places (default 0).
+// Returns null if n is null.
+function cxjs_truncate(n, dec)
     {
-    // Validate; normalize dec.
-    if (v == null) return null;
+    // Validate parameters.
+    if (n == null) return null;
     if (dec == null) dec = 0;
-    dec = Math.round(dec);
+    dec = Math.round(dec); // Normalize.
 
     // Scale, truncate, unscale.
-    var factor = Math.pow(10, dec);
-    var scaled = v * factor;
-    return (v > 0 ? Math.floor(scaled+0.000001) : Math.ceil(scaled-0.000001)) / factor;
+    const factor = Math.pow(10, dec);
+    const scaled = n * factor;
+    const truncated = (n > 0) ? Math.floor(scaled+0.000001) : Math.ceil(scaled-0.000001);
+    return truncated / factor;
     }
 
-// Clamp v to [mn, mx]; either bound may be null (unbounded); returns null if v is null.
-function cxjs_constrain(v, mn, mx)
+// Clamp n to range [min, max]. Either bound may be null to unbound results.
+// Returns null if n is null.
+function cxjs_constrain(n, min, max)
     {
-    if (v == null) return null;
-    if (mn != null && v < mn) return mn;
-    if (mx != null && v > mx) return mx;
-    return v;
+    if (n === null) return null;
+    if (min !== null && n < min) return min;
+    if (max !== null && n > max) return max;
+    return n;
     }
 
-// Return a random float in [0,1); seed is accepted but ignored.
+// Returns a random float in range [0,1). Seed is accepted, but it is
+// ignored because ecma262* does not provide a way to specify a seed.
+// *see: https://tc39.es/ecma262/#sec-math.random.
 function cxjs_rand(seed)
     {
     return Math.random();
     }
 
-// Square root of v; returns null if v is null or negative.
-function cxjs_sqrt(v)
+// Returns the square root of n, or null if n is null or negative.
+function cxjs_sqrt(n)
     {
-    if (v == null) return null;
-    var r = Math.sqrt(v);
-    return isNaN(r) ? null : r;
+    if (n == null) return null;
+    const result = Math.sqrt(n);
+    return isNaN(result) ? null : result;
     }
 
-// v squared; returns null if v is null.
-function cxjs_square(v)
+// Returns the square of n, or null if n is null.
+function cxjs_square(n)
     {
-    if (v == null) return null;
-    return v * v;
+    if (n == null) return null;
+    return n * n;
     }
 
-// n raised to power p; returns null if either is null.
+// Returns n raised to power p, or null if either parameter is null.
 function cxjs_power(n, p)
     {
     if (n == null || p == null) return null;
     return Math.pow(n, p);
     }
 
-// Convert radians to degrees; returns null if v is null.
-function cxjs_degrees(v)
+// Converts radians to degrees, or returns null if radians is null.
+function cxjs_degrees(radians)
     {
-    if (v == null) return null;
-    return v * 180.0 / Math.PI;
+    if (radians == null) return null;
+    return (radians * 180.0) / Math.PI;
     }
 
-// Convert degrees to radians; returns null if v is null.
-function cxjs_radians(v)
+// Converts degrees to radians, or returns null if degrees is null.
+function cxjs_radians(degrees)
     {
-    if (v == null) return null;
-    return v * Math.PI / 180.0;
+    if (degrees == null) return null;
+    return (degrees * Math.PI) / 180.0;
     }
 
 // Format number v as money using fmt format string (see centrallix-sysdoc format chars); returns null on invalid input.

From a6ce55924dfcc0d5a74a2bdf6590eb6d277b9547 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 15:43:59 -0600
Subject: [PATCH 10/18] Remove cxjs_moneyformat because it seemed like too much
 work to review.

---
 centrallix-os/sys/js/ht_render.js | 87 -------------------------------
 1 file changed, 87 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 1e86284a6..9eec9af44 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -932,93 +932,6 @@ function cxjs_radians(degrees)
     return (degrees * Math.PI) / 180.0;
     }
 
-// Format number v as money using fmt format string (see centrallix-sysdoc format chars); returns null on invalid input.
-function cxjs_moneyformat(v, fmt)
-    {
-    // Validate and parse number.
-    if (v == null || fmt == null) return null;
-    var num = parseFloat(v);
-    if (isNaN(num)) return null;
-    var is_neg = num < 0;
-    var abs_v = Math.abs(num);
-    var pw = Math.floor(abs_v);
-    var pf = Math.round((abs_v - pw) * 10000);
-    if (pf >= 10000) { pw++; pf = 0; }
-
-    // Init state; scan pre-decimal format for width and sign options.
-    var decimal_char = '.';
-    var comma_char = ',';
-    var zero_type = 0;
-    var zero_strings = [null, '-0-', '0', ''];
-    var automatic_sign = 1;
-    var tm = 1;
-    var pc, nc, pc2, c;
-    for (var pi = 0; pi < fmt.length && fmt[pi] != '.'; pi++)
-	{
-	pc = fmt[pi];
-	if (pc=='0'||pc=='#'||pc=='^'||pc==' '||pc=='*') tm *= 10;
-	else if (pc=='I') { decimal_char = ','; comma_char = '.'; }
-	else if (pc=='Z') zero_type = 1;
-	else if (pc=='z') zero_type = 2;
-	else if (pc=='B') zero_type = 3;
-	}
-    if (tm > 1) tm /= 10;
-    if (/[+\-\(\)\[\]]/.test(fmt)) automatic_sign = 0;
-    if (pw === 0 && pf === 0 && zero_type !== 0) return zero_strings[zero_type];
-
-    // Format result string.
-    var result = '';
-    var suppressing_zeros = 1;
-    var in_decimal_part = 0;
-    var d;
-    var i = 0;
-    while (i < fmt.length)
-	{
-	c = fmt[i];
-	if (automatic_sign) { automatic_sign = 0; if (is_neg) result += '-'; }
-	switch(c)
-	    {
-	    case '$': result += '$'; break;
-	    case ' ': case '*': case '0': case '^': case '#':
-		if (!tm) break;
-		if (in_decimal_part)
-		    { d = Math.floor(pf/tm)%10; tm = Math.floor(tm/10); }
-		else
-		    { d = Math.floor(pw/tm); pw -= d*tm; tm = Math.floor(tm/10); }
-		if (d !== 0 || c=='0' || c=='^') suppressing_zeros = 0;
-		if (suppressing_zeros) { if (c==' '||c=='*') result += ' '; }
-		else result += d;
-		break;
-	    case ',':
-		if (!suppressing_zeros) result += comma_char;
-		else if (!((i>0 && fmt[i-1]=='#') || (i+1<fmt.length && fmt[i+1]=='#'))) result += ' ';
-		break;
-	    case '.':
-		if (pw !== 0) result += ''+pw;
-		in_decimal_part = 1; suppressing_zeros = 0; tm = 1000; result += decimal_char;
-		break;
-	    case '-': result += is_neg?'-':' '; break;
-	    case '+': result += is_neg?'-':'+'; break;
-	    case '[': result += !is_neg?'(':' '; break;
-	    case ']': result += !is_neg?')':' '; break;
-	    case '(': result += is_neg?'(':' '; break;
-	    case ')': result += is_neg?')':' '; break;
-	    default: break;
-	    }
-	i++;
-	nc = i < fmt.length ? fmt[i] : '\0';
-	pc2 = fmt[i-1];
-	if (nc==='\0'||nc===']'||nc===')'||
-	    ((nc==='+'||nc==='-')&&(pc2===' '||pc2==='*'||pc2==='#'||pc2==='0'||pc2==='^')))
-	    {
-	    if (pf && !in_decimal_part) { in_decimal_part=1; tm=1000; result+=decimal_char; }
-	    while (pf && in_decimal_part && tm && (pf%(tm*10))!==0)
-		{ d=Math.floor(pf/tm)%10; tm=Math.floor(tm/10); result+=''+d; }
-	    }
-	}
-    return result;
-    }
-
 function htr_boolean(v)
     {
     return !(v === null || v == undefined || v==0 || String(v).toLowerCase()=='no' || String(v).toLowerCase() == 'false' || String(v).toLowerCase() == 'off' || v == '0');

From 4fe1e11a71239d15ceb438253e46a519f27ac15c Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 15:44:51 -0600
Subject: [PATCH 11/18] Fix bad equality checks.

---
 centrallix-os/sys/js/ht_render.js | 32 +++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 9eec9af44..2be14b58a 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -513,7 +513,7 @@ function cxjs_replace(str, srch, rep)
 // Convert integer number (n) to English words, with a trailing space.
 function cxjs_wordify(n)
     {
-    if (n == null) return null;
+    if (n === null) return null;
     
     // Declare word tables.
     const digits = [
@@ -576,7 +576,7 @@ function cxjs_wordify(n)
 // Repeat string s n times (up to 255); returns null if n < 0.
 function cxjs_replicate(s, n)
     {
-    if (s == null || n == null) return null;
+    if (s === null || n === null) return null;
     
     // Process parameters.
     const str = String(s);
@@ -594,7 +594,7 @@ function cxjs_replicate(s, n)
 // Internal: parse M/D/YYYY H:MM:SS date string into a Date; returns null on failure.
 function cxjs__parsedate(date_str)
     {
-    if (date_str == null) return null;
+    if (date_str === null) return null;
     
     const match = String(date_str).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
     if (!match) return null;
@@ -613,7 +613,7 @@ function cxjs__parsedate(date_str)
 // Extract year/month/day/hour/minute/second/weekday from date_str; returns int or null.
 function cxjs_datepart(part, date_str)
     {
-    if (part == null || date_str == null) return null;
+    if (part === null || date_str === null) return null;
     
     const datetime = cxjs__parsedate(date_str);
     if (!datetime) return null;
@@ -638,7 +638,7 @@ function cxjs_datepart(part, date_str)
 function cxjs_datediff(part, date1, date2)
     {
     // Validate and parse parameters.
-    if (part == null || date1 == null || date2 == null) return null;
+    if (part === null || date1 === null || date2 === null) return null;
     let dt1 = cxjs__parsedate(date1);
     let dt2 = cxjs__parsedate(date2);
     if (!dt1 || !dt2) return null;
@@ -679,7 +679,7 @@ function cxjs_datediff(part, date1, date2)
 function cxjs_dateformat(date_str, format)
     {
     // Validate and parse parameters.
-    if (date_str == null || format == null) return null;
+    if (date_str === null || format === null) return null;
     const d = cxjs__parsedate(date_str);
     if (!d) return null;
 
@@ -842,7 +842,7 @@ function cxjs_dateformat(date_str, format)
 // Absolute value of n. Returns null if n is null.
 function cxjs_abs(n)
     {
-    if (n == null) return null;
+    if (n === null) return null;
     return Math.abs(n);
     }
 
@@ -851,8 +851,8 @@ function cxjs_abs(n)
 function cxjs_round(n, dec)
     {
     // Validate parameters.
-    if (n == null) return null;
-    if (dec == null) dec = 0;
+    if (n === null) return null;
+    if (dec === null) dec = 0;
     dec = Math.round(dec); // Normalize.
     
     // Scale, round, unscale.
@@ -867,8 +867,8 @@ function cxjs_round(n, dec)
 function cxjs_truncate(n, dec)
     {
     // Validate parameters.
-    if (n == null) return null;
-    if (dec == null) dec = 0;
+    if (n === null) return null;
+    if (dec === null) dec = 0;
     dec = Math.round(dec); // Normalize.
 
     // Scale, truncate, unscale.
@@ -899,7 +899,7 @@ function cxjs_rand(seed)
 // Returns the square root of n, or null if n is null or negative.
 function cxjs_sqrt(n)
     {
-    if (n == null) return null;
+    if (n === null) return null;
     const result = Math.sqrt(n);
     return isNaN(result) ? null : result;
     }
@@ -907,28 +907,28 @@ function cxjs_sqrt(n)
 // Returns the square of n, or null if n is null.
 function cxjs_square(n)
     {
-    if (n == null) return null;
+    if (n === null) return null;
     return n * n;
     }
 
 // Returns n raised to power p, or null if either parameter is null.
 function cxjs_power(n, p)
     {
-    if (n == null || p == null) return null;
+    if (n === null || p === null) return null;
     return Math.pow(n, p);
     }
 
 // Converts radians to degrees, or returns null if radians is null.
 function cxjs_degrees(radians)
     {
-    if (radians == null) return null;
+    if (radians === null) return null;
     return (radians * 180.0) / Math.PI;
     }
 
 // Converts degrees to radians, or returns null if degrees is null.
 function cxjs_radians(degrees)
     {
-    if (degrees == null) return null;
+    if (degrees === null) return null;
     return (degrees * Math.PI) / 180.0;
     }
 

From 832dd59c932f8f44dffca02b0d87ad16036dcd90 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 15:46:12 -0600
Subject: [PATCH 12/18] Improve a comment.

---
 centrallix-os/sys/js/ht_render.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 2be14b58a..bf444caa6 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -675,7 +675,8 @@ function cxjs_datediff(part, date1, date2)
     return null;
     }
 
-// Format date string date_str using format (see centrallix-sysdoc format chars); returns null on invalid input.
+// Format date_str using format (see centrallix-sysdoc format chars).
+// Returns the formatted date string, or null if the input is invalid.
 function cxjs_dateformat(date_str, format)
     {
     // Validate and parse parameters.

From 3182852610edf7e5caa4e903c39ac4145eee7ff0 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 16:11:24 -0600
Subject: [PATCH 13/18] Fix bugs caused by switching to strict equality.

---
 centrallix-os/sys/js/ht_render.js | 46 ++++++++++++++++++-------------
 1 file changed, 27 insertions(+), 19 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index bf444caa6..fff86d547 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -513,7 +513,7 @@ function cxjs_replace(str, srch, rep)
 // Convert integer number (n) to English words, with a trailing space.
 function cxjs_wordify(n)
     {
-    if (n === null) return null;
+    if (n === null || n === undefined) return null;
     
     // Declare word tables.
     const digits = [
@@ -576,7 +576,9 @@ function cxjs_wordify(n)
 // Repeat string s n times (up to 255); returns null if n < 0.
 function cxjs_replicate(s, n)
     {
-    if (s === null || n === null) return null;
+    if (s === null || n === null ||
+	s === undefined || n === undefined
+    ) return null;
     
     // Process parameters.
     const str = String(s);
@@ -594,7 +596,7 @@ function cxjs_replicate(s, n)
 // Internal: parse M/D/YYYY H:MM:SS date string into a Date; returns null on failure.
 function cxjs__parsedate(date_str)
     {
-    if (date_str === null) return null;
+    if (date_str === null || date_str === undefined) return null;
     
     const match = String(date_str).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
     if (!match) return null;
@@ -613,7 +615,9 @@ function cxjs__parsedate(date_str)
 // Extract year/month/day/hour/minute/second/weekday from date_str; returns int or null.
 function cxjs_datepart(part, date_str)
     {
-    if (part === null || date_str === null) return null;
+    if (part === null || date_str === null ||
+	part === undefined || date_str === undefined
+    ) return null;
     
     const datetime = cxjs__parsedate(date_str);
     if (!datetime) return null;
@@ -638,7 +642,9 @@ function cxjs_datepart(part, date_str)
 function cxjs_datediff(part, date1, date2)
     {
     // Validate and parse parameters.
-    if (part === null || date1 === null || date2 === null) return null;
+    if (part === null || date1 === null || date2 === null ||
+	part === undefined || date1 === undefined || date2 === undefined
+    ) return null;
     let dt1 = cxjs__parsedate(date1);
     let dt2 = cxjs__parsedate(date2);
     if (!dt1 || !dt2) return null;
@@ -680,7 +686,9 @@ function cxjs_datediff(part, date1, date2)
 function cxjs_dateformat(date_str, format)
     {
     // Validate and parse parameters.
-    if (date_str === null || format === null) return null;
+    if (date_str === null || format === null ||
+	date_str === undefined || format === undefined
+    ) return null;
     const d = cxjs__parsedate(date_str);
     if (!d) return null;
 
@@ -843,7 +851,7 @@ function cxjs_dateformat(date_str, format)
 // Absolute value of n. Returns null if n is null.
 function cxjs_abs(n)
     {
-    if (n === null) return null;
+    if (n === null || n === undefined) return null;
     return Math.abs(n);
     }
 
@@ -852,8 +860,8 @@ function cxjs_abs(n)
 function cxjs_round(n, dec)
     {
     // Validate parameters.
-    if (n === null) return null;
-    if (dec === null) dec = 0;
+    if (n === null || n === undefined) return null;
+    if (dec === null || dec === undefined) dec = 0;
     dec = Math.round(dec); // Normalize.
     
     // Scale, round, unscale.
@@ -868,8 +876,8 @@ function cxjs_round(n, dec)
 function cxjs_truncate(n, dec)
     {
     // Validate parameters.
-    if (n === null) return null;
-    if (dec === null) dec = 0;
+    if (n === null || n === undefined) return null;
+    if (dec === null || dec === undefined) dec = 0;
     dec = Math.round(dec); // Normalize.
 
     // Scale, truncate, unscale.
@@ -883,9 +891,9 @@ function cxjs_truncate(n, dec)
 // Returns null if n is null.
 function cxjs_constrain(n, min, max)
     {
-    if (n === null) return null;
-    if (min !== null && n < min) return min;
-    if (max !== null && n > max) return max;
+    if (n === null || n === undefined) return null;
+    if (min !== null && min !== undefined && n < min) return min;
+    if (max !== null && max !== undefined && n > max) return max;
     return n;
     }
 
@@ -900,7 +908,7 @@ function cxjs_rand(seed)
 // Returns the square root of n, or null if n is null or negative.
 function cxjs_sqrt(n)
     {
-    if (n === null) return null;
+    if (n === null || n === undefined) return null;
     const result = Math.sqrt(n);
     return isNaN(result) ? null : result;
     }
@@ -908,28 +916,28 @@ function cxjs_sqrt(n)
 // Returns the square of n, or null if n is null.
 function cxjs_square(n)
     {
-    if (n === null) return null;
+    if (n === null || n === undefined) return null;
     return n * n;
     }
 
 // Returns n raised to power p, or null if either parameter is null.
 function cxjs_power(n, p)
     {
-    if (n === null || p === null) return null;
+    if (n === null || p === null || n === undefined || p === undefined) return null;
     return Math.pow(n, p);
     }
 
 // Converts radians to degrees, or returns null if radians is null.
 function cxjs_degrees(radians)
     {
-    if (radians === null) return null;
+    if (radians === null || radians === undefined) return null;
     return (radians * 180.0) / Math.PI;
     }
 
 // Converts degrees to radians, or returns null if degrees is null.
 function cxjs_radians(degrees)
     {
-    if (degrees === null) return null;
+    if (degrees === null || degrees === undefined) return null;
     return (degrees * Math.PI) / 180.0;
     }
 

From 92da8fc407eb2f50080983cb595cdde6b4437462 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 16:21:39 -0600
Subject: [PATCH 14/18] Fix trailing comma bug (caught by Claude).

---
 centrallix-os/sys/js/ht_render.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index fff86d547..6874ea663 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -570,6 +570,10 @@ function cxjs_wordify(n)
 	else if (multiple !== 0 && chunk !== 0)
 	    result += " ";
 	}
+	
+	// Strip trailing comma left when the highest group needs no separator.
+	if (result.endsWith(", ")) result = result.slice(0, -2) + " ";
+	
     return result;
     }
 
@@ -657,7 +661,7 @@ function cxjs_datediff(part, date1, date2)
 	const tmp = dt2;
 	dt2 = dt1;
 	dt1 = tmp;
-    }
+	}
     part = String(part).toLowerCase();
 
     // Year and month parts.

From bb381f32f49a8eab80967ead2ef66b737f202f35 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Mon, 1 Jun 2026 16:26:29 -0600
Subject: [PATCH 15/18] Remove complex functions (moved to another PR).

Remove wordify.
Remove datepart.
Remove datediff.
Remove dateformat.
Clean up.
---
 centrallix-os/sys/js/ht_render.js | 323 ------------------------------
 1 file changed, 323 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 6874ea663..8f23e1668 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -509,74 +509,6 @@ function cxjs_replace(str, srch, rep)
 		rep);
     }
 
-
-// Convert integer number (n) to English words, with a trailing space.
-function cxjs_wordify(n)
-    {
-    if (n === null || n === undefined) return null;
-    
-    // Declare word tables.
-    const digits = [
-	"Zero", "One", "Two", "Three", "Four", "Five",
-	"Six", "Seven", "Eight", "Nine", "Ten"
-    ];
-    const teens = [
-	"Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen",
-	"Sixteen", "Seventeen", "Eighteen", "Nineteen"
-    ];
-    const tens = [
-	"Ten", "Twenty", "Thirty", "Forty", "Fifty",
-	"Sixty", "Seventy", "Eighty", "Ninety"
-    ];
-    const multiples = ["",
-	"Thousand", "Million", "Billion", "Trillion", "Quadrillion"
-    ];
-    
-    // Handle negative values and normalize n.
-    n = Math.round(n);
-    if (isNaN(n)) return null;
-    const abs_n = Math.abs(n);
-    let result = (n < 0) ? "Negative " : "";
-    
-    // Handle zero.
-    if (abs_n === 0)
-	{
-	result += "Zero ";
-	return result;
-	}
-    
-    // Traverse thousands-chunks from highest to lowest.
-    for (let multiple = 5; multiple >= 0; multiple--)
-	{
-	const chunk = Math.floor(abs_n / Math.pow(1000, multiple)) % 1000;
-	
-	if (chunk === 0) continue;
-	if (chunk >= 100)
-	    result += digits[Math.floor(chunk/100)] + " Hundred ";
-	
-	const rem = chunk % 100;
-	if (rem > 19)
-	    {
-	    result += tens[Math.floor(rem/10)-1];
-	    if (rem%10 !== 0) result += "-" + digits[rem%10] + " ";
-	    else result += " ";
-	    }
-	else if (rem > 10) result += teens[rem-11] + " ";
-	else if (rem > 0) result += digits[rem] + " ";
-	
-	result += multiples[multiple];
-	if (chunk > 10 && (chunk%10 !== 0 || chunk > 100) && multiple !== 0)
-	    result += ", ";
-	else if (multiple !== 0 && chunk !== 0)
-	    result += " ";
-	}
-	
-	// Strip trailing comma left when the highest group needs no separator.
-	if (result.endsWith(", ")) result = result.slice(0, -2) + " ";
-	
-    return result;
-    }
-
 // Repeat string s n times (up to 255); returns null if n < 0.
 function cxjs_replicate(s, n)
     {
@@ -597,261 +529,6 @@ function cxjs_replicate(s, n)
     return result;
     }
 
-// Internal: parse M/D/YYYY H:MM:SS date string into a Date; returns null on failure.
-function cxjs__parsedate(date_str)
-    {
-    if (date_str === null || date_str === undefined) return null;
-    
-    const match = String(date_str).match(/^(\d+)\/(\d+)\/(\d+)(?:\s+(\d+):(\d+)(?::(\d+))?)?/);
-    if (!match) return null;
-    
-    return new Date(
-	parseInt(match[3], 10),
-	parseInt(match[1], 10) - 1,
-	parseInt(match[2], 10),
-	(match[4]) ? parseInt(match[4], 10) : 0,
-	(match[5]) ? parseInt(match[5], 10) : 0,
-	(match[6]) ? parseInt(match[6], 10) : 0,
-	0
-    );
-    }
-
-// Extract year/month/day/hour/minute/second/weekday from date_str; returns int or null.
-function cxjs_datepart(part, date_str)
-    {
-    if (part === null || date_str === null ||
-	part === undefined || date_str === undefined
-    ) return null;
-    
-    const datetime = cxjs__parsedate(date_str);
-    if (!datetime) return null;
-    
-    switch (String(part).toLowerCase())
-	{
-	case "year":    return datetime.getFullYear();
-	case "month":   return datetime.getMonth() + 1;
-	case "day":     return datetime.getDate();
-	case "hour":    return datetime.getHours();
-	case "minute":  return datetime.getMinutes();
-	case "second":  return datetime.getSeconds();
-	case "weekday": return datetime.getDay() + 1;
-	}
-    
-    return null;
-    }
-
-// Calculate the signed difference (date2-date1) between dates and return the
-// requested datetime part (e.g. "year", "month", "day", "hour", "minute",
-// "second"), or null on failure.
-function cxjs_datediff(part, date1, date2)
-    {
-    // Validate and parse parameters.
-    if (part === null || date1 === null || date2 === null ||
-	part === undefined || date1 === undefined || date2 === undefined
-    ) return null;
-    let dt1 = cxjs__parsedate(date1);
-    let dt2 = cxjs__parsedate(date2);
-    if (!dt1 || !dt2) return null;
-
-    // Normalize order; get part name.
-    let sign = 1;
-    if (dt2 < dt1)
-	{
-	sign = -1;
-	const tmp = dt2;
-	dt2 = dt1;
-	dt1 = tmp;
-	}
-    part = String(part).toLowerCase();
-
-    // Year and month parts.
-    if (part === "year")
-	return sign * (dt2.getFullYear() - dt1.getFullYear());
-    if (part === "month")
-	return sign * ((dt2.getFullYear() - dt1.getFullYear())*12 + dt2.getMonth()-dt1.getMonth());
-
-    // Day, hour, minute, second parts.
-    const m1 = new Date(dt1.getFullYear(), dt1.getMonth(), dt1.getDate());
-    const m2 = new Date(dt2.getFullYear(), dt2.getMonth(), dt2.getDate());
-    const days = Math.round((m2 - m1) / 86400000);
-    if (part === "day") return sign * days;
-    const hours = days*24 + dt2.getHours() - dt1.getHours();
-    if (part === "hour") return sign * hours;
-    const minutes = hours*60 + dt2.getMinutes() - dt1.getMinutes();
-    if (part === "minute") return sign * minutes;
-    const seconds = minutes*60 + dt2.getSeconds() - dt1.getSeconds();
-    if (part === "second") return sign * seconds;
-    
-    return null;
-    }
-
-// Format date_str using format (see centrallix-sysdoc format chars).
-// Returns the formatted date string, or null if the input is invalid.
-function cxjs_dateformat(date_str, format)
-    {
-    // Validate and parse parameters.
-    if (date_str === null || format === null ||
-	date_str === undefined || format === undefined
-    ) return null;
-    const d = cxjs__parsedate(date_str);
-    if (!d) return null;
-
-    // Month name tables.
-    const month_abbrevs = ["",
-	"Jan", "Feb", "Mar", "Apr",
-	"May", "Jun", "Jul", "Aug",
-	"Sep", "Oct", "Nov", "Dec"
-    ];
-    const month_names = ["",
-	"January", "February", "March", "April",
-	"May", "June", "July", "August",
-	"September", "October", "November", "December"
-    ];
-
-    // Declare state variables.
-    let result = "";
-    let i = 0;
-    const append = (str, n) =>
-	{
-	result += str;
-	i += n;
-	}
-    
-    // Handle AM & PM.
-    let append_am_pm = 0;
-    const check_append_am_pm = () =>
-	{
-	if (!append_am_pm) return;
-	if (i >= format.length || format[i]===' ' || format[i]===',')
-	    {
-	    result += (d.getHours() >= 12) ? "PM" : "AM";
-	    append_am_pm = 0;
-	    }
-	}
-    
-    // Scan format string.
-    while (i < format.length)
-	{
-	const c = format[i];
-	switch (c)
-	    {
-	    case 'D': i++; break;
-	    case 'd':
-		{
-		const day = d.getDate();
-		if (format[i+1] === 'd' && format[i+2] === 'd')
-		    {
-		    const suffix =
-		        (day === 1 || day === 21 || day === 31) ? "st" :
-			(day === 2 || day === 22) ? "nd" :
-			(day === 3 || day === 23) ? "rd" :
-			"th";
-		    append(day + suffix, 3);
-		    }
-		else if (format[i+1] === 'd')
-		    {
-		    append(((day < 10) ? "0" : "") + day, 2);
-		    }
-		else
-		    {
-		    append(day, 1);
-		    }
-		break;
-		}
-	    case 'M':
-		{
-		const month = d.getMonth() + 1;
-		
-		// MMMM
-		if (format[i+1] === 'M' && format[i+2] === 'M' && format[i+3] === 'M')
-		    append(month_names[month], 4);
-		// MMM
-		else if (format[i+1] === 'M' && format[i+2] === 'M')
-		    append(month_abbrevs[month], 3);
-		// MM
-		else if (format[i+1] === 'M')
-		    append(((month < 10) ? "0" : "") + (month), 2);
-		// M
-		else
-		    append(month, 1);
-		
-		break;
-		}
-	    case 'y':
-		{
-		if (format[i+1] === 'y' && format[i+2] === 'y' && format[i+3] === 'y')
-		    append(("000" + d.getFullYear()).slice(-4), 4);
-		else if (format[i+1] === 'y')
-		    append(("0" + (d.getFullYear()%100)).slice(-2), 2);
-		else i++;
-		break;
-		}
-	    case 'H':
-		{
-		if (format[i+1] === 'H')
-		    append(((d.getHours() < 10) ? "0" : "") + d.getHours(), 1);
-		i++;
-		append_am_pm = 0;
-		break;
-		}
-	    case 'h':
-		{
-		if (format[i+1] === 'h')
-		    {
-		    const hr = d.getHours() % 12 || 12;
-		    append(((hr < 10) ? "0" : "") + hr, 1);
-		    }
-		i++;
-		append_am_pm = 1;
-		check_append_am_pm();
-		break;
-		}
-	    case 'm':
-		{
-		if (format[i+1] === 'm')
-		    append(((d.getMinutes() < 10) ? "0" : "") + d.getMinutes(), 1);
-		i++;
-		check_append_am_pm();
-		break;
-		}
-	    case 's':
-		{
-		if (format[i+1] === 's')
-		    append(((d.getSeconds() < 10) ? "0" : "") + d.getSeconds(), 1);
-		i++;
-		check_append_am_pm();
-		break;
-		}
-	    case 'I':
-		{
-		if (format[i+1] === 'I')
-		    i++;
-		i++;
-		break;
-		}
-	    case 'L': if (
-		i + 2 < format.length && (
-		    format[i+1] === 'm' ||
-		    format[i+1] === 'M' ||
-		    format[i+1] === 'w' ||
-		    format[i+1] === 'W'
-		) && format[i+2] === '[')
-		{
-		const end = format.indexOf(']', i);
-		i = (end >= 0) ? end+1 : i+1;
-		break;
-		} // Fallthrough
-	    default:
-		{
-		append(c, 1);
-		break;
-		}
-	    }
-	}
-     
-    return result;
-    }
-
 // Absolute value of n. Returns null if n is null.
 function cxjs_abs(n)
     {

From 9d2d0aa58cc5ffdffadebb3bef92656d35fecc94 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Tue, 2 Jun 2026 10:48:35 -0600
Subject: [PATCH 16/18] Fix bugs and simplify cxjs_truncate() by using a
 solution from ChatGPT.

---
 centrallix-os/sys/js/ht_render.js | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 8f23e1668..0e1e6fd06 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -554,18 +554,12 @@ function cxjs_round(n, dec)
 
 // Truncate n toward zero to dec decimal places (default 0).
 // Returns null if n is null.
-function cxjs_truncate(n, dec)
+function cxjs_truncate(n, dec = 0)
     {
-    // Validate parameters.
     if (n === null || n === undefined) return null;
-    if (dec === null || dec === undefined) dec = 0;
-    dec = Math.round(dec); // Normalize.
-
-    // Scale, truncate, unscale.
-    const factor = Math.pow(10, dec);
-    const scaled = n * factor;
-    const truncated = (n > 0) ? Math.floor(scaled+0.000001) : Math.ceil(scaled-0.000001);
-    return truncated / factor;
+    
+    const factor = 10 ** Math.round(dec);
+    return Math.trunc(n * factor) / factor;
     }
 
 // Clamp n to range [min, max]. Either bound may be null to unbound results.

From 4f5a6833fe2093b044c91084c432a2540874cb94 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Tue, 2 Jun 2026 10:54:58 -0600
Subject: [PATCH 17/18] Update from Math.pow() to **.

---
 centrallix-os/sys/js/ht_render.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 0e1e6fd06..444efe790 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -538,15 +538,14 @@ function cxjs_abs(n)
 
 // Round n to dec decimal places (default 0), toward nearest.
 // Returns null if n is null.
-function cxjs_round(n, dec)
+function cxjs_round(n, dec = 0)
     {
     // Validate parameters.
     if (n === null || n === undefined) return null;
-    if (dec === null || dec === undefined) dec = 0;
     dec = Math.round(dec); // Normalize.
     
     // Scale, round, unscale.
-    const factor = Math.pow(10, dec);
+    const factor = 10 ** dec;
     const scaled = n * factor;
     const rounded = ((n > 0) ? Math.floor(scaled+0.5) : Math.ceil(scaled-0.5));
     return rounded / factor;
@@ -599,7 +598,7 @@ function cxjs_square(n)
 function cxjs_power(n, p)
     {
     if (n === null || p === null || n === undefined || p === undefined) return null;
-    return Math.pow(n, p);
+    return n ** p;
     }
 
 // Converts radians to degrees, or returns null if radians is null.

From 39456f919302baef49591ee55546a85f31048456 Mon Sep 17 00:00:00 2001
From: Lightning11wins <lightning11wins+github@gmail.com>
Date: Tue, 2 Jun 2026 10:57:52 -0600
Subject: [PATCH 18/18] Add warning when seed is ignored.

---
 centrallix-os/sys/js/ht_render.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/centrallix-os/sys/js/ht_render.js b/centrallix-os/sys/js/ht_render.js
index 444efe790..547cf9343 100644
--- a/centrallix-os/sys/js/ht_render.js
+++ b/centrallix-os/sys/js/ht_render.js
@@ -576,6 +576,8 @@ function cxjs_constrain(n, min, max)
 // *see: https://tc39.es/ecma262/#sec-math.random.
 function cxjs_rand(seed)
     {
+    if (seed !== null && seed !== undefined)
+	console.warn(`Ignoring seed "${seed}" because ecma262 does not define how to specify a seed.`);
     return Math.random();
     }