is_startline     4265 srclib/pcre/pcre.c      if (!is_startline(scode, new_map, backref_map)) return FALSE;
is_startline     4271 srclib/pcre/pcre.c      { if (!is_startline(scode, bracket_map, backref_map)) return FALSE; }
is_startline     5570 srclib/pcre/pcre.c     else if (is_startline(codestart, 0, compile_block.backref_map))