[PATCH 4/4] src/pk-repl.c (escape_metacharacters) Add comment.

[John Darrington]

---
 src/pk-repl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/pk-repl.c b/src/pk-repl.c
index d30b682e..44e5b120 100644
--- a/src/pk-repl.c
+++ b/src/pk-repl.c
@@ -212,6 +212,9 @@ poke_sigint_handler (int status)
   siglongjmp(ctrlc_buf, 1);
 }
 
+/* Return a copy of TEXT, with every instance of the space character
+   prepended with the backslash character.   The caller is responsible
+   for freeing the result.  */
 static char *
 escape_metacharacters (char *text, int match_type, char *qp)
 {
-- 
2.20.1