diff --git a/runtime/plugin/vimballPlugin.vim b/runtime/plugin/vimballPlugin.vim
index 5927977..d7473a0 100644
--- a/runtime/plugin/vimballPlugin.vim
+++ b/runtime/plugin/vimballPlugin.vim
@@ -1,6 +1,6 @@
 " vimballPlugin : construct a file containing both paths and files
-" Author: Charles E. Campbell, Jr.
-" Copyright: (c) 2004-2010 by Charles E. Campbell, Jr.
+" Author: Charles E. Campbell
+" Copyright: (c) 2004-2014 by Charles E. Campbell
 "            The VIM LICENSE applies to Vimball.vim, and Vimball.txt
 "            (see |copyright|) except use "Vimball" instead of "Vim".
 "            No warranty, express or implied.
@@ -16,22 +16,25 @@
 if &cp || exists("g:loaded_vimballPlugin")
  finish
 endif
-let g:loaded_vimballPlugin = "v35"
+let g:loaded_vimballPlugin = "v37"
 let s:keepcpo              = &cpo
 set cpo&vim
 
 " ------------------------------------------------------------------------------
 " Public Interface: {{{1
-com! -ra   -complete=file -na=+ -bang MkVimball				call vimball#MkVimball(<line1>,<line2>,<bang>0,<f-args>)
-com! -na=? -complete=dir  UseVimball						call vimball#Vimball(1,<f-args>)
-com! -na=0                VimballList						call vimball#Vimball(0)
-com! -na=* -complete=dir  RmVimball							call vimball#SaveSettings()|call vimball#RmVimball(<f-args>)|call vimball#RestoreSettings()
-au BufEnter  *.vba,*.vba.gz,*.vba.bz2,*.vba.zip,*.vba.xz	setlocal bt=nofile fmr=[[[,]]] fdm=marker|if &ff != 'unix'|setlocal ma ff=unix noma|endif|call vimball#ShowMesg(0,"Source this file to extract it! (:so %)")
-au SourceCmd *.vba.gz,*.vba.bz2,*.vba.zip,*.vba.xz			if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if expand("%")!=expand("<afile>")|close|endif
-au SourceCmd *.vba											if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|call vimball#Vimball(1)|close|else|call vimball#Vimball(1)|endif
-au BufEnter  *.vmb,*.vmb.gz,*.vmb.bz2,*.vmb.zip,*.vmb.xz	setlocal bt=nofile fmr=[[[,]]] fdm=marker|if &ff != 'unix'|setlocal ma ff=unix noma|endif|call vimball#ShowMesg(0,"Source this file to extract it! (:so %)")
-au SourceCmd *.vmb.gz,*.vmb.bz2,*.vmb.zip,*.vmb.xz			if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if expand("%")!=expand("<afile>")|close|endif
-au SourceCmd *.vmb											if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|call vimball#Vimball(1)|close|else|call vimball#Vimball(1)|endif
+com! -range   -complete=file -nargs=+ -bang MkVimball		call vimball#MkVimball(<line1>,<line2>,<bang>0,<f-args>)
+com! -nargs=? -complete=dir  UseVimball						call vimball#Vimball(1,<f-args>)
+com! -nargs=0                VimballList					call vimball#Vimball(0)
+com! -nargs=* -complete=dir  RmVimball						call vimball#SaveSettings()|call vimball#RmVimball(<f-args>)|call vimball#RestoreSettings()
+augroup Vimball
+ au!
+ au BufEnter  *.vba,*.vba.gz,*.vba.bz2,*.vba.zip,*.vba.xz	setlocal bt=nofile fmr=[[[,]]] fdm=marker|if &ff != 'unix'|setlocal ma ff=unix noma|endif|if line('$') > 1|call vimball#ShowMesg(0,"Source this file to extract it! (:so %)")|endif
+ au SourceCmd *.vba.gz,*.vba.bz2,*.vba.zip,*.vba.xz			let s:origfile=expand("%")|if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if s:origfile!=expand("<afile>")|close|endif
+ au SourceCmd *.vba											if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|call vimball#Vimball(1)|close|else|call vimball#Vimball(1)|endif
+ au BufEnter  *.vmb,*.vmb.gz,*.vmb.bz2,*.vmb.zip,*.vmb.xz	setlocal bt=nofile fmr=[[[,]]] fdm=marker|if &ff != 'unix'|setlocal ma ff=unix noma|endif|if line('$') > 1|call vimball#ShowMesg(0,"Source this file to extract it! (:so %)")|endif
+ au SourceCmd *.vmb.gz,*.vmb.bz2,*.vmb.zip,*.vmb.xz			let s:origfile=expand("%")|if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|endif|call vimball#Decompress(expand("<amatch>"))|so %|if s:origfile!=expand("<afile>")|close|endif
+ au SourceCmd *.vmb											if expand("%")!=expand("<afile>") | exe "1sp" fnameescape(expand("<afile>"))|call vimball#Vimball(1)|close|else|call vimball#Vimball(1)|endif
+augroup END
 
 " =====================================================================
 " Restoration And Modelines: {{{1