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[Emacs-diffs] Changes to emacs/src/print.c


From: Chong Yidong
Subject: [Emacs-diffs] Changes to emacs/src/print.c
Date: Sat, 17 Dec 2005 15:46:16 +0000

Index: emacs/src/print.c
diff -u emacs/src/print.c:1.215 emacs/src/print.c:1.216
--- emacs/src/print.c:1.215     Wed Dec 14 20:49:46 2005
+++ emacs/src/print.c   Sat Dec 17 15:46:16 2005
@@ -1313,14 +1313,8 @@
 
   /* Give up if we go so deep that print_object will get an error.  */
   /* See similar code in print_object.  */
-  /* Because print_preprocess "follows" nested lists in a slightly
-     different order from print_object, there is a risk of giving up
-     too soon.  In that case, a deeply nested circular list may cause
-     print_object to loop.  Using 3 * PRINT_CIRCLE should make this
-     possibility negligible, but at some point someone will have to
-     sit down and do a more careful analysis. -- cyd */
-  if (print_depth >= 3 * PRINT_CIRCLE)
-    return;
+  if (print_depth >= PRINT_CIRCLE)
+    error ("Apparently circular structure being printed");
 
   /* Avoid infinite recursion for circular nested structure
      in the case where Vprint_circle is nil.  */




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