[RFC] vim-patch:7.4.449, vim-patch:7.4.452

### 7.4.449

```
Problem:    Can't easily close the help window. (Chris Gaal)
Solution:   Add ":helpclose". (Christian Brabandt)

https://code.google.com/p/vim/source/detail?r=v7-4-449
```

Original patch: (function proto not in diff)
```diff
diff --git a/runtime/doc/helphelp.txt b/runtime/doc/helphelp.txt
--- a/runtime/doc/helphelp.txt
+++ b/runtime/doc/helphelp.txt
@@ -96,6 +96,9 @@ 1. Help commands					*online-help*
 			find a tag in a file with the same language as the
 			current file.  See |help-translated|.
 
+						 	*:helpc* *:helpclose*
+:helpc[lose]            Close one help window.
+
 							*:helpg* *:helpgrep*
 :helpg[rep] {pattern}[@xx]
 			Search all help text files and make a list of lines
diff --git a/runtime/doc/index.txt b/runtime/doc/index.txt
--- a/runtime/doc/index.txt
+++ b/runtime/doc/index.txt
@@ -1244,6 +1244,7 @@ tag	      command	      action ~
 |:gvim|		:gv[im]		start the GUI
 |:hardcopy|	:ha[rdcopy]	send text to the printer
 |:help|		:h[elp]		open a help window
+|:helpclose|	:helpc[lose]	close one help window
 |:helpfind|	:helpf[ind]	dialog to open a help window
 |:helpgrep|	:helpg[rep]	like ":grep" but searches help files
 |:helptags|	:helpt[ags]	generate help tags for a directory
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -5899,6 +5899,24 @@ erret:
     vim_free(tag);
 }
 
+/*
+ * ":helpclose": Close the help window
+ */
+    void
+ex_helpclose(eap)
+    exarg_T	*eap UNUSED;
+{
+    win_T *win;
+
+    FOR_ALL_WINDOWS(win)
+    {
+	if (win->w_buffer->b_help)
+	{
+	    win_close(win, FALSE);
+	    break;
+	}
+    }
+}
 
 #if defined(FEAT_MULTI_LANG) || defined(PROTO)
 /*
diff --git a/src/nvim/ex_cmds.h b/src/nvim/ex_cmds.h
--- a/src/nvim/ex_cmds.h
+++ b/src/nvim/ex_cmds.h
@@ -417,6 +417,8 @@ EX(CMD_gvim,		"gvim",		ex_gui,
 			BANG|FILES|EDITCMD|ARGOPT|TRLBAR|CMDWIN),
 EX(CMD_help,		"help",		ex_help,
 			BANG|EXTRA|NOTRLCOM),
+EX(CMD_helpclose,	"helpclose",	ex_helpclose,
+			RANGE|NOTADR|COUNT|TRLBAR),
 EX(CMD_helpfind,	"helpfind",	ex_helpfind,
 			EXTRA|NOTRLCOM),
 EX(CMD_helpgrep,	"helpgrep",	ex_helpgrep,
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    449,
+/**/
     448,
 /**/
     447,
```

### 7.4.452

```
Problem:    Can't build with tiny features. (Tony Mechelynck)
Solution:   Use "return" instead of "break".

https://code.google.com/p/vim/source/detail?r=v7-4-452
```

```diff
diff --git a/src/nvim/ex_cmds.c b/src/nvim/ex_cmds.c
--- a/src/nvim/ex_cmds.c
+++ b/src/nvim/ex_cmds.c
@@ -5900,7 +5900,7 @@ erret:
 }
 
 /*
- * ":helpclose": Close the help window
+ * ":helpclose": Close one help window
  */
     void
 ex_helpclose(eap)
@@ -5913,7 +5913,7 @@ ex_helpclose(eap)
 	if (win->w_buffer->b_help)
 	{
 	    win_close(win, FALSE);
-	    break;
+	    return;
 	}
     }
 }
diff --git a/src/nvim/version.c b/src/nvim/version.c
--- a/src/nvim/version.c
+++ b/src/nvim/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    452,
+/**/
     451,
 /**/
     450,
```