+function_arglist_common_reparse:
+ EXPECT_SCM function_arglist_optional SCM_IDENTIFIER
+ {
+ $$ = $2;
+ SCM res = try_string_variants ($1, $3);
+ if (!SCM_UNBNDP (res))
+ MYREPARSE (@3, $1, SCM_ARG, res);
+ else if (scm_is_true
+ (scm_call_1
+ ($1, make_music_from_simple (parser, @3, $3))))
+ MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
+ else
+ // This is going to flag a syntax error, we
+ // know the predicate to be false.
+ MYREPARSE (@3, $1, SCM_ARG, $3);
+ }
+ | EXPECT_SCM function_arglist_optional LYRICS_STRING
+ {
+ $$ = $2;
+ SCM res = try_string_variants ($1, $3);
+ if (!SCM_UNBNDP (res))
+ MYREPARSE (@3, $1, SCM_ARG, res);
+ else if (scm_is_true
+ (scm_call_1
+ ($1, make_music_from_simple (parser, @3, $3))))
+ MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
+ else
+ // This is going to flag a syntax error, we
+ // know the predicate to be false.
+ MYREPARSE (@3, $1, SCM_ARG, $3);
+ }
+ | EXPECT_SCM function_arglist_optional lyric_markup
+ {
+ $$ = $2;
+ // We check how the predicate thinks about the
+ // unmodified lyric element. If it would be accepted
+ // in this form, we don't try interpreting is as lyric
+ // music.
+ if (scm_is_true (scm_call_1 ($1, $3)))
+ MYREPARSE (@3, $1, SCM_ARG, $3);
+ else if (scm_is_true
+ (scm_call_1
+ ($1, make_music_from_simple (parser, @3, $3))))
+ MYREPARSE (@3, $1, LYRIC_ELEMENT, $3);
+ else
+ // This is going to flag a syntax error, we
+ // know the predicate to be false.
+ MYREPARSE (@3, $1, SCM_ARG, $3);
+ }
+ | EXPECT_SCM function_arglist_closed_optional '-' UNSIGNED