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Escape underscore characters in __INTELLISENSE__ explanation #505

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SaschaWillems merged 1 commit into from
Sep 7, 2026
Merged

Escape underscore characters in __INTELLISENSE__ explanation #505

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4 changes: 2 additions & 2 deletions en/03_Drawing_a_triangle/00_Setup/00_Base_code.adoc
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Original file line number Diff line number Diff line change
Expand Up @@ -40,15 +40,15 @@ import vulkan_hpp;
class HelloTriangleApplication {
----

The `#if defined(__INTELLISENSE__) || !defined(USE_CPP20_MODULES)` block picks
The `#if defined(\\__INTELLISENSE__) || !defined(USE_CPP20_MODULES)` block picks
between two ways of pulling in the Vulkan-Hpp API, both of which provide the
same functions, structures, and enumerations. By default we include the
traditional `<vulkan/vulkan_raii.hpp>` header. If you enable C{pp}20 modules
(`-DENABLE_CPP20_MODULE=ON`), the `USE_CPP20_MODULES` define set by CMake
makes the code `import vulkan_hpp;` instead. Either way, Visual Studio and VS
Code's IntelliSense engine doesn't yet understand `import` for modules and
will flag it as an error even though the code compiles fine, so we fall back
to the header whenever `__INTELLISENSE__` is defined (which IntelliSense
to the header whenever `\\__INTELLISENSE__` is defined (which IntelliSense
itself defines while analyzing the code) or when modules are turned off
entirely.

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