[PATCH] programming-interface.itely: add backquote to Scheme example with comma.

[David Kastrup]

---
 .../extending/programming-interface.itely          |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/Documentation/extending/programming-interface.itely 
b/Documentation/extending/programming-interface.itely
index 4bae49a..3806d35 100644
--- a/Documentation/extending/programming-interface.itely
+++ b/Documentation/extending/programming-interface.itely
@@ -894,7 +894,7 @@ can be inserted with a grob closure.  Here is a setting from
 @code{AccidentalSuggestion},
 
 @example
-(X-offset .
+`(X-offset .
   ,(ly:make-simple-closure
     `(,+
         ,(ly:make-simple-closure
-- 
1.6.5.3.153.g0670