CLASS_SINGLE_CHARACTER 5319 ext/pcre/pcrelib/pcre_compile.c           goto CLASS_SINGLE_CHARACTER;
CLASS_SINGLE_CHARACTER 5380 ext/pcre/pcrelib/pcre_compile.c         if (d == c) goto CLASS_SINGLE_CHARACTER;  /* A few lines below */
CLASS_SINGLE_CHARACTER 5404 ext/pcre/pcrelib/pcre_compile.c       CLASS_SINGLE_CHARACTER: