updated for version 7.3.055
Problem:    Recursively nested lists and dictionaries cause a near-endless
            loop when comparing them with a copy. (ZyX)
Solution:   Limit recursiveness in a way that non-recursive structures can
            still be nested very deep.
Files:      src/eval.c, src/testdir/test55.in, src/testdir/test55.ok
diff --git a/src/version.c b/src/version.c
index ab330b5..7b26cfd 100644
--- a/src/version.c
+++ b/src/version.c
@@ -715,6 +715,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    55,
+/**/
     54,
 /**/
     53,