IS_ALPHA         1380 ext/psych/yaml/emitter.c         if (!IS_ALPHA(handle)) {
IS_ALPHA         1416 ext/psych/yaml/emitter.c         if (!IS_ALPHA(string)) {
IS_ALPHA         1862 ext/psych/yaml/emitter.c         if (IS_ALPHA(string)
IS_ALPHA         2124 ext/psych/yaml/scanner.c     while (IS_ALPHA(parser->buffer))
IS_ALPHA         2341 ext/psych/yaml/scanner.c     while (IS_ALPHA(parser->buffer)) {
IS_ALPHA         2529 ext/psych/yaml/scanner.c     while (IS_ALPHA(parser->buffer))
IS_ALPHA         2610 ext/psych/yaml/scanner.c     while (IS_ALPHA(parser->buffer) || CHECK(parser->buffer, ';')