updated for version 7.3.514

Problem:    No completion for :history command.
Solution:   Add the completion and update the docs. Also fix ":behave"
	    completion. (Dominique Pelle)

Author: brammool

runtime/doc/cmdline.txt

@@ -330,12 +330,12 @@ terminals)
 
 :his[tory] [{name}] [{first}][, [{last}]]
 		List the contents of history {name} which can be:
-		c[md]	 or :	command-line history
-		s[earch] or /	search string history
-		e[xpr]	 or =	expression register history
-		i[nput]	 or @	input line history
-		d[ebug]	 or >	debug command history
-		a[ll]		all of the above
+		c[md]	 or :		command-line history
+		s[earch] or / or ?	search string history
+		e[xpr]	 or =		expression register history
+		i[nput]	 or @		input line history
+		d[ebug]	 or >		debug command history
+		a[ll]			all of the above
 		{not in Vi}
 
 		If the numbers {first} and/or {last} are given, the respective

runtime/doc/map.txt

@@ -1219,6 +1219,7 @@ completion can be enabled:
 
 	-complete=augroup	autocmd groups
 	-complete=buffer	buffer names
+	-complete=behave	:behave suboptions
 	-complete=color		color schemes
 	-complete=command	Ex command (and arguments)
 	-complete=compiler	compilers
@@ -1233,6 +1234,7 @@ completion can be enabled:
 	-complete=function	function name
 	-complete=help		help subjects
 	-complete=highlight	highlight groups
+	-complete=history	:history suboptions
 	-complete=locale	locale names (as output of locale -a)
 	-complete=mapping	mapping name
 	-complete=menu		menus

src/ex_docmd.c

@@ -3920,8 +3920,16 @@ set_one_cmd_context(xp, buff)
 #endif
 	case CMD_behave:
 	    xp->xp_context = EXPAND_BEHAVE;
+	    xp->xp_pattern = arg;
 	    break;
 
+#if defined(FEAT_CMDHIST)
+	case CMD_history:
+	    xp->xp_context = EXPAND_HISTORY;
+	    xp->xp_pattern = arg;
+	    break;
+#endif
+
 #endif /* FEAT_CMDL_COMPL */
 
 	default:
@@ -5329,6 +5337,7 @@ static struct
 } command_complete[] =
 {
     {EXPAND_AUGROUP, "augroup"},
+    {EXPAND_BEHAVE, "behave"},
     {EXPAND_BUFFERS, "buffer"},
     {EXPAND_COLORS, "color"},
     {EXPAND_COMMANDS, "command"},
@@ -5350,8 +5359,11 @@ static struct
     {EXPAND_FUNCTIONS, "function"},
     {EXPAND_HELP, "help"},
     {EXPAND_HIGHLIGHT, "highlight"},
+#if defined(FEAT_CMDHIST)
+    {EXPAND_HISTORY, "history"},
+#endif
 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
-        && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
+	&& (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
     {EXPAND_LOCALES, "locale"},
 #endif
     {EXPAND_MAPPINGS, "mapping"},

src/ex_getln.c

@@ -25,7 +25,7 @@ struct cmdline_info
     int		cmdlen;		/* number of chars in command line */
     int		cmdpos;		/* current cursor position */
     int		cmdspos;	/* cursor column on screen */
-    int		cmdfirstc;	/* ':', '/', '?', '=' or NUL */
+    int		cmdfirstc;	/* ':', '/', '?', '=', '>' or NUL */
     int		cmdindent;	/* number of spaces before cmdline */
     char_u	*cmdprompt;	/* message in front of cmdline */
     int		cmdattr;	/* attributes for prompt */
@@ -111,6 +111,9 @@ static int	expand_showtail __ARGS((expand_T *xp));
 #ifdef FEAT_CMDL_COMPL
 static int	expand_shellcmd __ARGS((char_u *filepat, int *num_file, char_u ***file, int flagsarg));
 static int	ExpandRTDir __ARGS((char_u *pat, int *num_file, char_u ***file, char *dirname[]));
+# ifdef FEAT_CMDHIST
+static char_u	*get_history_arg __ARGS((expand_T *xp, int idx));
+# endif
 # if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL)
 static int	ExpandUserDefined __ARGS((expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file));
 static int	ExpandUserList __ARGS((expand_T *xp, int *num_file, char_u ***file));
@@ -4628,6 +4631,9 @@ ExpandFromContext(xp, pat, num_file, file, options)
 	{
 	    {EXPAND_COMMANDS, get_command_name, FALSE, TRUE},
 	    {EXPAND_BEHAVE, get_behave_arg, TRUE, TRUE},
+#ifdef FEAT_CMDHIST
+	    {EXPAND_HISTORY, get_history_arg, TRUE, TRUE},
+#endif
 #ifdef FEAT_USR_CMDS
 	    {EXPAND_USER_COMMANDS, get_user_commands, FALSE, TRUE},
 	    {EXPAND_USER_CMD_FLAGS, get_user_cmd_flags, FALSE, TRUE},
@@ -5245,6 +5251,34 @@ static char *(history_names[]) =
     NULL
 };
 
+#if defined(FEAT_CMDL_COMPL) || defined(PROTO)
+/*
+ * Function given to ExpandGeneric() to obtain the possible first
+ * arguments of the ":history command.
+ */
+    static char_u *
+get_history_arg(xp, idx)
+    expand_T	*xp UNUSED;
+    int		idx;
+{
+    static char_u compl[2] = { NUL, NUL };
+    char *short_names = ":=@>?/";
+    int short_names_count = STRLEN(short_names);
+    int history_name_count = sizeof(history_names) / sizeof(char *) - 1;
+
+    if (idx < short_names_count)
+    {
+	compl[0] = (char_u)short_names[idx];
+	return compl;
+    }
+    if (idx < short_names_count + history_name_count)
+	return (char_u *)history_names[idx - short_names_count];
+    if (idx == short_names_count + history_name_count)
+	return (char_u *)"all";
+    return NULL;
+}
+#endif
+
 /*
  * init_history() - Initialize the command line history.
  * Also used to re-allocate the history when the size changes.

src/version.c

@@ -714,6 +714,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    514,
 /**/
     513,
 /**/

src/vim.h

@@ -781,6 +781,7 @@ extern char *(*dyn_libintl_textdomain)(const char *domainname);
 #define EXPAND_FILES_IN_PATH	38
 #define EXPAND_OWNSYNTAX	39
 #define EXPAND_LOCALES		40
+#define EXPAND_HISTORY		41
 
 /* Values for exmode_active (0 is no exmode) */
 #define EXMODE_NORMAL		1