Annex C (informative) Compatibility [diff]

C.8 C standard library [diff.library]

C.8.3 Modifications to definitions [diff.mods.to.definitions]

C.8.3.6 Header <stdbool.h> [diff.header.stdbool.h]

The tokens bool, true, and false are keywords in C++ ([lex.key]), and are not introduced as macros by <stdbool.h>.