if (!strlen (doc))
return;
- if (scm_hash_table_p (doc_hash_table) == SCM_BOOL_T)
+ if (scm_hash_table_p (doc_hash_table) != SCM_BOOL_T)
doc_hash_table = scm_c_make_hash_table (59);
String s = String (" - ") + "LilyPond procedure: " + fname + " " + varlist