parser.yy: prettify EXPECT_* token display

diff --git a/lily/parser.yy b/lily/parser.yy
index 201f04f1d036da86de78c491f81333c8a8dd99a0..c54adb757594031ee13e6c434442da780775243b 100644 (file)
--- a/lily/parser.yy
+++ b/lily/parser.yy
@@ -268,12 +268,12 @@ If we give names, Bison complains.
 %token <i> UNSIGNED
 
 /* Artificial tokens, for more generic function syntax */
-%token <i> EXPECT_MARKUP;
-%token <i> EXPECT_MUSIC;
-%token <i> EXPECT_PITCH;
-%token <i> EXPECT_DURATION;
-%token <i> EXPECT_SCM;
-%token <i> EXPECT_MARKUP_LIST
+%token <i> EXPECT_MARKUP "markup?"
+%token <i> EXPECT_MUSIC "ly:music?"
+%token <i> EXPECT_PITCH "ly:pitch?"
+%token <i> EXPECT_DURATION "ly:duration?"
+%token <i> EXPECT_SCM "scheme?"
+%token <i> EXPECT_MARKUP_LIST "markup-list?"
 /* After the last argument. */
 %token <i> EXPECT_NO_MORE_ARGS;