From: Patrick McCarty <pnorcks@gmail.com>
Date: Sun, 5 Jul 2009 19:47:01 +0000 (-0700)
Subject: Return a null string after calling ly:warning
X-Git-Tag: release/2.13.4-1~332
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=452a08ec331b437454f1d4607c963254bccd1235;p=lilypond.git

Return a null string after calling ly:warning

- This is needed to ensure a sane value for
an undefined stencil expression.
---

diff --git a/scm/backend-library.scm b/scm/backend-library.scm
index 71ef9096f8..db79c74aae 100644
--- a/scm/backend-library.scm
+++ b/scm/backend-library.scm
@@ -192,9 +192,11 @@
 
 (define-public (backend-testing output-module)
   (define (missing-stencil-expression name)
-    (apply
-     (if (ly:get-option 'warning-as-error) ly:error ly:warning)
-     (list (_ "missing stencil expression `~S'") name)))
+    (begin
+      (apply
+       (if (ly:get-option 'warning-as-error) ly:error ly:warning)
+       (list (_ "missing stencil expression `~S'") name))
+      ""))
 
   (map (lambda (x)
 	 (if (not (module-defined? output-module x))