Add Notation appendix for context mod identifiers.

[lilypond.git] / scm / documentation-lib.scm

diff --git a/scm/documentation-lib.scm b/scm/documentation-lib.scm
index af48e55c6b51a32b40a1f1e223e5ef1daf62e2fb..013cc2a4377bc0b373db7364221feedc96fe6d95 100644 (file)
--- a/scm/documentation-lib.scm
+++ b/scm/documentation-lib.scm
@@ -175,6 +175,10 @@ string-to-use).  If QUOTE? is #t, embed table in a @quotation environment."
 (define (writing-wip x)
   (ly:message (_ "Writing ~S...") x))
 
+(define (identifier<? a b)
+  (ly:string-ci<?
+   (symbol->string (car a))
+   (symbol->string (car b))))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; property  stuff.