The X headers still have lots of #ifdefs for X_NOT_STDC_ENV to support environments that predate ANSI/ISO C89. These should mostly go away to simplify and clean up the byzantine series of ifdefs in headers like Xos.h & Xfuncs.h to make it easier to understand what is being done on modern systems.
Sorry about the phenomenal bug spam, guys. Adding xorg-team@ to the QA contact so bugs don't get lost in future.
Fixed.
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