From 80682fb0067f3f2aa22246892f367e6df6ee811a Mon Sep 17 00:00:00 2001
From: Simmo Saan <simmo.saan@gmail.com>
Date: Fri, 20 Oct 2017 21:12:35 +0300
Subject: [PATCH] core: allow /buffer set without value with empty default
 (closes #746)

---
 src/core/wee-command.c | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/src/core/wee-command.c b/src/core/wee-command.c
index 7ddb0f3b3..960ae86a2 100644
--- a/src/core/wee-command.c
+++ b/src/core/wee-command.c
@@ -1089,11 +1089,22 @@ COMMAND_CALLBACK(buffer)
     /* set a property on buffer */
     if (string_strcasecmp (argv[1], "set") == 0)
     {
-        COMMAND_MIN_ARGS(4, "set");
-        value = string_remove_quotes (argv_eol[3], "'\"");
-        gui_buffer_set (buffer, argv[2], (value) ? value : argv_eol[3]);
-        if (value)
-            free (value);
+        COMMAND_MIN_ARGS(3, "set");
+        if (argc == 3)
+        {
+            /*
+             * default to empty value for valueless buffer "properties",
+             * e.g. localvar_del_xxx
+             */
+            gui_buffer_set (buffer, argv[2], "");
+        }
+        else
+        {
+            value = string_remove_quotes (argv_eol[3], "'\"");
+            gui_buffer_set (buffer, argv[2], (value) ? value : argv_eol[3]);
+            if (value)
+                free (value);
+        }
         return WEECHAT_RC_OK;
     }