Validate code tags in documentation for potential params

Adds a check to make_rst to look for matches
between the text inside of the [code][/code] tag
and known param identifiers.
Fixes most of what was revealed.

doc/tools/make_rst.py

@@ -1678,6 +1678,26 @@ def format_text_block(
                 inside_code_tag = cmd
                 escape_pre = True
 
+                valid_context = isinstance(context, (MethodDef, SignalDef, AnnotationDef))
+                if valid_context:
+                    endcode_pos = text.find("[/code]", endq_pos + 1)
+                    if endcode_pos == -1:
+                        print_error(
+                            f"{state.current_class}.xml: Tag depth mismatch for [code]: no closing [/code] in {context_name}.",
+                            state,
+                        )
+                        break
+
+                    inside_code_text = text[endq_pos + 1 : endcode_pos]
+                    context_params: List[ParameterDef] = context.parameters  # type: ignore
+                    for param_def in context_params:
+                        if param_def.name == inside_code_text:
+                            print_warning(
+                                f'{state.current_class}.xml: Potential error inside of a code tag, found a string "{inside_code_text}" that matches one of the parameters in {context_name}.',
+                                state,
+                            )
+                            break
+
             # Cross-references to items in this or other class documentation pages.
             elif is_in_tagset(cmd, RESERVED_CROSSLINK_TAGS):
                 link_type: str = ""