fix: Table issues with vertical bar

Author: dbrattli

chapters/Compatibility.fs

@@ -47,7 +47,7 @@ Most FSharp.Core operators are supported, including formatting with `sprintf`,
 |      F# Type      |           Python           |
 | ----------------- | -------------------------- |
 | `Tuple`           | `tuple`                    |
-| `Option<T>`       | `T \| None` (erased)       |
+| `Option<T>`       | `Optional[T]` (*)          |
 | `string`          | `str`                      |
 | `List<T>`         | `List.fs` (immutable list) |
 | `Map<K,V>`        | `Map.fs` (immutable map)   |
@@ -56,6 +56,8 @@ Most FSharp.Core operators are supported, including formatting with `sprintf`,
 | Record types      | `@dataclass`               |
 | Anonymous Records | `dict`                     |
 
+(*) Generated as `T | None` in Python 3.12+
+
 ## Interfaces and Protocols
 
 .NET interfaces map to Python protocols and special methods:

chapters/Pydantic.fs

@@ -178,17 +178,19 @@ This pattern is useful when you want to:
 
 F# types map naturally to Python/Pydantic types:
 
-|   F# Type   | Python Type  |             Notes              |
-| ----------- | ------------ | ------------------------------ |
-| `string`    | `str`        |                                |
-| `int`       | `int`        |                                |
-| `float`     | `float`      |                                |
-| `bool`      | `bool`       |                                |
-| `'T option` | `T \| None`  | Modern union syntax            |
-| `'T list`   | `list[T]`    |                                |
-| `'T array`  | `list[T]`    |                                |
-| Record      | `class`      | With `@dataclass` or BaseModel |
-| DU          | Tagged class | See below                      |
+|   F# Type   |    Python Type    |             Notes              |
+| ----------- | ----------------- | ------------------------------ |
+| `string`    | `str`             |                                |
+| `int`       | `int`             |                                |
+| `float`     | `float`           |                                |
+| `bool`      | `bool`            |                                |
+| `'T option` | `Optional[T]` (*) | Modern union syntax            |
+| `'T list`   | `list[T]`         |                                |
+| `'T array`  | `list[T]`         |                                |
+| Record      | `class`           | With `@dataclass` or BaseModel |
+| DU          | Tagged class      | See below                      |
+
+(*) Generated as `T | None` in Python 3.12+
 
 ### F# Option to Python Union