* regex.c: Indent cpp directives and remove parens after `defined'.
(PTR_TO_OFFSET, POS_AS_IN_BUFFER): Move to a better place. (ISDIGIT, ISCNTRL, ISXDIGIT) [!emacs]: Remove duplicate definition. (regex_compile): Use RE_FRUGAL instead of RE_ALL_GREEDY. (re_compile_pattern): Use size_t for length. (init_syntax_once): Move to a better place. * regex.h: Merge changes from GNU libc. Indent cpp directives. (RE_FRUGAL): Replaces RE_ALL_GREEDY (inverted meaning).
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