IS_SPACE         1588 ext/psych/yaml/emitter.c         if (IS_SPACE(string))
IS_SPACE         1913 ext/psych/yaml/emitter.c         if (IS_SPACE(string))
IS_SPACE         1972 ext/psych/yaml/emitter.c         if (IS_SPACE(string))
IS_SPACE         2143 ext/psych/yaml/emitter.c         else if (IS_SPACE(string))
IS_SPACE         2183 ext/psych/yaml/emitter.c     if (IS_SPACE(string) || IS_BREAK(string))
IS_SPACE         2314 ext/psych/yaml/emitter.c             if (!breaks && IS_SPACE(string) && !IS_SPACE_AT(string, 1)
IS_SPACE         2973 ext/psych/yaml/scanner.c                 && IS_SPACE(parser->buffer)) {