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-rw-r--r--shell/ash.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/shell/ash.c b/shell/ash.c
index 3e9997b53..7af8842bb 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -8962,7 +8962,8 @@ parse_command_args(char **argv, const char **path)
* Make a variable a local variable. When a variable is made local, it's
* value and flags are saved in a localvar structure. The saved values
* will be restored when the shell function returns. We handle the name
- * "-" as a special case.
+ * "-" as a special case: it makes changes to "set +-options" local
+ * (options will be restored on return from the function).
*/
static void
mklocal(char *name)