programming_error messages should NOT be translated

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

diff --git a/scm/documentation-lib.scm b/scm/documentation-lib.scm
index b71709def4f8c79fd9e41bde5257c01b1e632687..a033186067d998e51af075c695b9ce2fcaae7ec3 100644 (file)
--- a/scm/documentation-lib.scm
+++ b/scm/documentation-lib.scm
@@ -56,7 +56,7 @@
        (node-children node)))
 
 (define (processing name)
-  (ly:message (_ "Processing ~S...") name))
+  (ly:basic-progress (_ "Processing ~S...") name))
 
 (define (self-evaluating? x)
   (or (number? x) (string? x) (procedure? x) (boolean? x)))
@@ -175,10 +175,21 @@ 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.
 
+(define (verify-type-name where sym type)
+  (if (eq? type #f)
+      (ly:error (_ "cannot find description for property `~S' (~S)")
+                sym
+                where))
+  (type-name type))
+
 (define (property->texi where sym . rest)
   "Document SYM for WHERE (which can be translation, backend, music),
 with init values from ALIST (1st optional argument)
@@ -190,7 +201,7 @@ with init values from ALIST (1st optional argument)
         (doc-name (string->symbol
                    (string-append (symbol->string where) "-doc")))
         (type (object-property sym type?-name))
-        (typename (type-name type))
+        (typename (verify-type-name where sym type))
         (desc (object-property sym doc-name))
         (init-value (assoc-get sym alist)))