+LY_DEFINE (ly_parser_set_repetition_symbol, "ly:parser-set-repetition-symbol",
+ 2, 0, 0, (SCM parser, SCM sym),
+ "Replace the current repetition symbol in @var{parser}."
+ " @var{sym} is the new repetition symbol.")
+{
+ LY_ASSERT_SMOB (Lily_parser, parser, 1);
+ Lily_parser *p = unsmob_lily_parser (parser);
+
+ p->lexer_->chord_repetition_.repetition_symbol_ = sym;
+
+ return SCM_UNSPECIFIED;
+}
+
+LY_DEFINE (ly_parser_set_repetition_function, "ly:parser-set-repetition-function",
+ 2, 0, 0, (SCM parser, SCM fun),
+ "Replace the current repetition function in @var{parser}."
+ " @var{fun} is the new repetition function.")
+{
+ LY_ASSERT_SMOB (Lily_parser, parser, 1);
+ Lily_parser *p = unsmob_lily_parser (parser);
+
+ p->lexer_->chord_repetition_.repetition_function_ = fun;
+
+ return SCM_UNSPECIFIED;
+}
+