Do they? X macros often are used with token pasting (https://gcc.gnu.org/onlinedocs/cpp/Concatenation.html), as for example in (FTA)
#define AST_BEGIN_SUBCLASSES(NAME) START_##NAME ,
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Do they? X macros often are used with token pasting (https://gcc.gnu.org/onlinedocs/cpp/Concatenation.html), as for example in (FTA)
Are modern IDEs/compiler toolchains smart enough to tell you that START_foo was created by an expansion of that macro?