updated for version 7.3.257
Problem:    Not all completions are available to user commands.
Solution:   Add "color", "compiler", "file_in_path" and "locale". (Dominique
            Pelle)
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index 103cb54..2ebf2eb 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1211,17 +1211,21 @@
 
 	-complete=augroup	autocmd groups
 	-complete=buffer	buffer names
+	-complete=color		color schemes
 	-complete=command	Ex command (and arguments)
+	-complete=compiler	compilers
 	-complete=cscope	|:cscope| suboptions
 	-complete=dir		directory names
 	-complete=environment	environment variable names
 	-complete=event		autocommand events
 	-complete=expression	Vim expression
 	-complete=file		file and directory names
+	-complete=file_in_path	file and directory names in |'path'|
 	-complete=filetype	filetype names |'filetype'|
 	-complete=function	function name
 	-complete=help		help subjects
 	-complete=highlight	highlight groups
+	-complete=locale	locale names (as output of locale -a)
 	-complete=mapping	mapping name
 	-complete=menu		menus
 	-complete=option	options
diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 3e80b32..a6fa374 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -5297,7 +5297,9 @@
 {
     {EXPAND_AUGROUP, "augroup"},
     {EXPAND_BUFFERS, "buffer"},
+    {EXPAND_COLORS, "color"},
     {EXPAND_COMMANDS, "command"},
+    {EXPAND_COMPILER, "compiler"},
 #if defined(FEAT_CSCOPE)
     {EXPAND_CSCOPE, "cscope"},
 #endif
@@ -5310,10 +5312,15 @@
     {EXPAND_EVENTS, "event"},
     {EXPAND_EXPRESSION, "expression"},
     {EXPAND_FILES, "file"},
+    {EXPAND_FILES_IN_PATH, "file_in_path"},
     {EXPAND_FILETYPE, "filetype"},
     {EXPAND_FUNCTIONS, "function"},
     {EXPAND_HELP, "help"},
     {EXPAND_HIGHLIGHT, "highlight"},
+#if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \
+        && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE))
+    {EXPAND_LOCALES, "locale"},
+#endif
     {EXPAND_MAPPINGS, "mapping"},
     {EXPAND_MENUS, "menu"},
     {EXPAND_OWNSYNTAX, "syntax"},
diff --git a/src/version.c b/src/version.c
index 3783bbf..6c1cfdc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    257,
+/**/
     256,
 /**/
     255,