feat(editor): support PP directives in VS Code and Bundle

Share preprocessor highlighting through the existing grammar, keep conditional
blocks at the ordinary indentation depth, and exercise switches in Bundle's
native runner test.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/plugin/ThirdPartyNotices.md b/plugin/ThirdPartyNotices.md
index e24f2c8..b195ffa 100644
--- a/plugin/ThirdPartyNotices.md
+++ b/plugin/ThirdPartyNotices.md
@@ -5,9 +5,9 @@ Microsoft VS Code’s built-in C++ extension. Exception keywords reuse its
 `keyword.control.try.cpp`, `keyword.control.catch.cpp` and
 `keyword.control.throw.cpp` scopes; ENDTRY uses the TRY scope. Selection, class,
 access, constant, template, operator and external-declaration highlighting also
-reuse C++ scopes. OVERLOAD borrows a declaration modifier, #LIB borrows #pragma
-and INCLUDE_OBJ borrows #include; ellipses use the C++ variadic scope. Literal
-escapes reuse `constant.character.escape`; the adjacent C string suffix borrows
+reuse C++ scopes. OVERLOAD borrows a declaration modifier, PP_* directives borrow
+C++ preprocessor keyword and macro-name scopes, and INCLUDE_OBJ borrows #include;
+ellipses use the C++ variadic scope. Literal escapes reuse `constant.character.escape`; the adjacent C string suffix borrows
 `keyword.other.suffix.literal.user-defined.string.cpp`. Custom types, template
 parameters and angle delimiters use the corresponding C++ type and template
 scopes; class-method receivers reuse `variable.language.this.cpp`.