diff -up vim74/runtime/ftplugin/spec.vim.1318991 vim74/runtime/ftplugin/spec.vim
--- vim74/runtime/ftplugin/spec.vim.1318991	2016-08-04 15:29:42.423862424 +0200
+++ vim74/runtime/ftplugin/spec.vim	2016-08-04 15:31:08.797299188 +0200
@@ -41,8 +41,8 @@ else:
         headers = spec.sourceHeader
         version = headers["Version"]
         release = headers["Release"]
-        vim.command("let ver = " + version)
-        vim.command("let rel = " + release)
+        vim.command("let ver = '" + version + "'")
+        vim.command("let rel = '" + release + "'")
 PYEND
 		endif
 	endfunction