This patch simplifies the structure of the internal_catch function.
If my change to prog_ignore is accepted (shown below), use the diff_with.  Otherwise
use diff_without.

THIS IS NOT THE DIFF FOR THIS PATCH!
diff --git a/src/eval.c b/src/eval.c
index e50e26a..abd4028 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -458,7 +458,11 @@ usage: (progn BODY...)  */)
 void
 prog_ignore (Lisp_Object body)
 {
-  Fprogn (body);
+  while (CONSP (body))
+    {
+      eval_sub (XCAR (body));
+      body = XCDR (body);
+    }
 }

THE DIFF FOR THIS PATCH is in the attachments.

-- 
Chris Gregory