updated for version 7.1-028
diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index 5ca3dfd..66bbb18 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -408,7 +408,11 @@
goto sortend;
}
*s = NUL;
- regmatch.regprog = vim_regcomp(p + 1, RE_MAGIC);
+ /* Use last search pattern if sort pattern is empty. */
+ if (s == p + 1 && last_search_pat() != NULL)
+ regmatch.regprog = vim_regcomp(last_search_pat(), RE_MAGIC);
+ else
+ regmatch.regprog = vim_regcomp(p + 1, RE_MAGIC);
if (regmatch.regprog == NULL)
goto sortend;
p = s; /* continue after the regexp */