diff -dubr augeas-0.10.0/src/regexp.c augeas-0.10.0.patched/src/regexp.c
--- augeas-0.10.0/src/regexp.c	2011-12-02 03:04:37.000000000 +0400
+++ augeas-0.10.0.patched/src/regexp.c	2012-04-09 16:35:25.691323806 +0400
@@ -50,7 +50,7 @@
     ret = fa_restrict_alphabet(r->pattern->str, strlen(r->pattern->str),
                                &nre, &nre_len, 2, 1);
     if (ret == 0) {
-        pat = escape(nre, nre_len);
+        pat = escape(nre, nre_len, RX_ESCAPES);
         free(nre);
     }
 #endif