Merge pull request #1724 from fwalch/vim-7.4.452

vim-patch:7.4.449, vim-patch:7.4.452

src/nvim/ex_cmds.c

@@ -5644,6 +5644,18 @@ struct sign
 static sign_T   *first_sign = NULL;
 static int      next_sign_typenr = 1;
 
+/*
+ * ":helpclose": Close one help window
+ */
+void ex_helpclose(exarg_T *eap)
+{
+  FOR_ALL_WINDOWS_IN_TAB(win, curtab) {
+    if (win->w_buffer->b_help) {
+      win_close(win, FALSE);
+      return;
+    }
+  }
+}
 
 static char *cmds[] = {
 			"define",

src/nvim/ex_cmds.lua

@@ -840,6 +840,11 @@ return {
     flags=bit.bor(BANG, EXTRA, NOTRLCOM),
     func='ex_help',
   },
+  {
+    command='helpclose',
+    flags=bit.bor(RANGE, NOTADR, COUNT, TRLBAR),
+    func='ex_helpclose',
+  },
   {
     command='helpfind',
     flags=bit.bor(EXTRA, NOTRLCOM),

src/nvim/version.c

@@ -285,10 +285,10 @@ static int included_patches[] = {
   455,
   454,
   //453 NA
-  //452,
+  452,
   //451,
   //450,
-  //449,
+  449,
   //448 NA
   447,
   //446,