RE_SHY_GROUPS     153 test/manual/etags/c-src/emacs/src/regex.h #define RE_NO_NEWLINE_ANCHOR (RE_SHY_GROUPS << 1)
RE_SHY_GROUPS     184 test/manual/etags/c-src/emacs/src/regex.h   (RE_CHAR_CLASSES | RE_INTERVALS | RE_SHY_GROUPS | RE_FRUGAL)