diff --git a/runtime/autoload/gzip.vim b/runtime/autoload/gzip.vim
index 1e119a4..933d83d 100644
--- a/runtime/autoload/gzip.vim
+++ b/runtime/autoload/gzip.vim
@@ -1,6 +1,6 @@
 " Vim autoload file for editing compressed files.
 " Maintainer: Bram Moolenaar <Bram@vim.org>
-" Last Change: 2006 Jul 19
+" Last Change: 2006 Oct 03
 
 " These functions are used by the gzip plugin.
 
@@ -68,9 +68,9 @@
   let tmp = tempname()
   let tmpe = tmp . "." . expand("<afile>:e")
   " write the just read lines to a temp file "'[,']w tmp.gz"
-  execute "silent '[,']w " . tmpe
+  execute "silent '[,']w " . escape(tmpe, ' ')
   " uncompress the temp file: call system("gzip -dn tmp.gz")
-  call system(a:cmd . " " . tmpe)
+  call system(a:cmd . " " . s:escape(tmpe))
   if !filereadable(tmp)
     " uncompress didn't work!  Keep the compressed file then.
     echoerr "Error: Could not read uncompressed file"
@@ -127,9 +127,9 @@
     let nmt = s:tempname(nm)
     if rename(nm, nmt) == 0
       if exists("b:gzip_comp_arg")
-	call system(a:cmd . " " . b:gzip_comp_arg . " '" . nmt . "'")
+	call system(a:cmd . " " . b:gzip_comp_arg . " " . s:escape(nmt))
       else
-	call system(a:cmd . " '" . nmt . "'")
+	call system(a:cmd . " " . s:escape(nmt))
       endif
       call rename(nmt . "." . expand("<afile>:e"), nm)
     endif
@@ -154,10 +154,10 @@
     if rename(nm, nmte) == 0
       if &patchmode != "" && getfsize(nm . &patchmode) == -1
 	" Create patchmode file by creating the decompressed file new
-	call system(a:cmd . " -c " . nmte . " > " . nmt)
+	call system(a:cmd . " -c " . s:escape(nmte) . " > " . s:escape(nmt))
 	call rename(nmte, nm . &patchmode)
       else
-	call system(a:cmd . " " . nmte)
+	call system(a:cmd . " " . s:escape(nmte))
       endif
       call rename(nmt, nm)
     endif
@@ -175,4 +175,12 @@
   return fnamemodify(a:name, ":p:h") . "/X~=@l9q5"
 endfun
 
+fun s:escape(name)
+  " shellescape() was added by patch 7.0.111
+  if v:version > 700 || (v:version == 700 && has('patch111'))
+    return shellescape(a:name)
+  endif
+  return "'" . a:name . "'"
+endfun
+
 " vim: set sw=2 :
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index 939e784..caafd75 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -1,4 +1,4 @@
-*eval.txt*      For Vim version 7.0.  Last change: 2006 May 06
+*eval.txt*      For Vim version 7.0.  Last change: 2006 Sep 22
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -1709,6 +1709,8 @@
 settabwinvar( {tabnr}, {winnr}, {varname}, {val})    set {varname} in window
 					{winnr} in tab page {tabnr} to {val}
 setwinvar( {nr}, {varname}, {val})	set {varname} in window {nr} to {val}
+shellescape( {string})		String	escape {string} for use as shell
+					command argument
 simplify( {filename})		String	simplify filename as much as possible
 sort( {list} [, {func}])	List	sort {list}, using {func} to compare
 soundfold( {word})		String	sound-fold {word}
@@ -4434,6 +4436,21 @@
 			:call setwinvar(1, "&list", 0)
 			:call setwinvar(2, "myvar", "foobar")
 
+shellescape({string})					*shellescape()*
+		Escape {string} for use as shell command argument.
+		On MS-Windows and MS-DOS, when 'shellslash' is not set, it
+		will enclose {string} double quotes and double all double
+		quotes within {string}.
+		For other systems, it will enclose {string} in single quotes
+		and replace all "'" with "'\''".
+		Example: >
+			:echo shellescape('c:\program files\vim')
+<		results in:
+			"c:\program files\vim" ~
+		Example usage: >
+			:call system("chmod +x -- " . shellescape(expand("%")))
+
+
 simplify({filename})					*simplify()*
 		Simplify the file name as much as possible without changing
 		the meaning.  Shortcuts (on MS-Windows) or symbolic links (on
diff --git a/src/eval.c b/src/eval.c
index f2abba7..d32efaa 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -622,6 +622,7 @@
 static void f_setreg __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_settabwinvar __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_setwinvar __ARGS((typval_T *argvars, typval_T *rettv));
+static void f_shellescape __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_simplify __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_sort __ARGS((typval_T *argvars, typval_T *rettv));
 static void f_soundfold __ARGS((typval_T *argvars, typval_T *rettv));
@@ -7146,6 +7147,7 @@
     {"setreg",		2, 3, f_setreg},
     {"settabwinvar",	4, 4, f_settabwinvar},
     {"setwinvar",	3, 3, f_setwinvar},
+    {"shellescape",	1, 1, f_shellescape},
     {"simplify",	1, 1, f_simplify},
     {"sort",		1, 2, f_sort},
     {"soundfold",	1, 1, f_soundfold},
@@ -14605,6 +14607,18 @@
 }
 
 /*
+ * "shellescape({string})" function
+ */
+    static void
+f_shellescape(argvars, rettv)
+    typval_T	*argvars;
+    typval_T	*rettv;
+{
+    rettv->vval.v_string = vim_strsave_shellescape(get_tv_string(&argvars[0]));
+    rettv->v_type = VAR_STRING;
+}
+
+/*
  * "simplify()" function
  */
     static void
diff --git a/src/misc2.c b/src/misc2.c
index 5d80427..04f34e9 100644
--- a/src/misc2.c
+++ b/src/misc2.c
@@ -1229,6 +1229,94 @@
     return escaped_string;
 }
 
+#if defined(FEAT_EVAL) || defined(PROTO)
+/*
+ * Escape "string" for use as a shell argument with system().
+ * This uses single quotes, except when we know we need to use double qoutes
+ * (MS-DOS and MS-Windows without 'shellslash' set).
+ * Returns the result in allocated memory, NULL if we have run out.
+ */
+    char_u *
+vim_strsave_shellescape(string)
+    char_u	*string;
+{
+    unsigned	length;
+    char_u	*p;
+    char_u	*d;
+    char_u	*escaped_string;
+
+    /* First count the number of extra bytes required. */
+    length = STRLEN(string) + 3;	/* two quotes and the trailing NUL */
+    for (p = string; *p != NUL; mb_ptr_adv(p))
+    {
+# if defined(WIN32) || defined(WIN16) || defined(DOS)
+	if (!p_ssl)
+	{
+	    if (*p == '"')
+		++length;		/* " -> "" */
+	}
+	else
+# endif
+	if (*p == '\'')
+	    length += 3;		/* ' => '\'' */
+    }
+
+    /* Allocate memory for the result and fill it. */
+    escaped_string = alloc(length);
+    if (escaped_string != NULL)
+    {
+	d = escaped_string;
+
+	/* add opening quote */
+# if defined(WIN32) || defined(WIN16) || defined(DOS)
+	if (!p_ssl)
+	    *d++ = '"';
+	else
+# endif
+	    *d++ = '\'';
+
+	for (p = string; *p != NUL; )
+	{
+# if defined(WIN32) || defined(WIN16) || defined(DOS)
+	    if (!p_ssl)
+	    {
+		if (*p == '"')
+		{
+		    *d++ = '"';
+		    *d++ = '"';
+		    ++p;
+		    continue;
+		}
+	    }
+	    else
+# endif
+	    if (*p == '\'')
+	    {
+		*d++='\'';
+		*d++='\\';
+		*d++='\'';
+		*d++='\'';
+		++p;
+		continue;
+	    }
+
+	    MB_COPY_CHAR(p, d);
+	}
+
+	/* add terminating quote and finish with a NUL */
+# if defined(WIN32) || defined(WIN16) || defined(DOS)
+	if (!p_ssl)
+	    *d++ = '"';
+	else
+# endif
+	    *d++ = '\'';
+	*d = NUL;
+    }
+
+    return escaped_string;
+}
+#endif
+
 /*
  * Like vim_strsave(), but make all characters uppercase.
  * This uses ASCII lower-to-upper case translation, language independent.
diff --git a/src/proto/misc2.pro b/src/proto/misc2.pro
index adee787..64637db 100644
--- a/src/proto/misc2.pro
+++ b/src/proto/misc2.pro
@@ -29,6 +29,7 @@
 extern char_u *vim_strnsave __ARGS((char_u *string, int len));
 extern char_u *vim_strsave_escaped __ARGS((char_u *string, char_u *esc_chars));
 extern char_u *vim_strsave_escaped_ext __ARGS((char_u *string, char_u *esc_chars, int cc, int bsl));
+extern char_u *vim_strsave_shellescape __ARGS((char_u *string));
 extern char_u *vim_strsave_up __ARGS((char_u *string));
 extern char_u *vim_strnsave_up __ARGS((char_u *string, int len));
 extern void vim_strup __ARGS((char_u *p));
diff --git a/src/version.c b/src/version.c
index d5ba905..f508b37 100644
--- a/src/version.c
+++ b/src/version.c
@@ -667,6 +667,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    111,
+/**/
     110,
 /**/
     109,