match_subpattern  721 src/macro.c            return match_subpattern(form, SCM_SYNTAX_PATTERN(pattern), env, mvec);
match_subpattern  727 src/macro.c                    return match_subpattern(form, SCM_SYNTAX_PATTERN(elt),
match_subpattern  763 src/macro.c                return match_subpattern(h, SCM_SYNTAX_PATTERN(pat), env, mvec);