org-vim/runtime/syntax/testdir/input/vim_ex_help.vim

" Vim :help command
" VIM_TEST_SETUP hi link vimHelpArg Todo
" VIM_TEST_SETUP hi link vimCmdSep Special


help
help! | " E478: Don't panic!
help  helphelp
help! helphelp


" whitespace allowed

help  foo bar | " E149: Sorry, no help for foo bar
help! foo bar | " E149: Sorry, no help for foo bar

" any characters

help !@#$%^&*()_+
help!@#$%^&*()_+
help @#$%^&*()_+
help@#$%^&*()_+


" command separators

help|echo "..."
help| echo "..."
help |echo "..."
help | echo "..."

help foo|  echo "..."
help foo echo "..."
help foo
 echo "..."

help foo |  echo "..."
help foo  echo "..."
help foo 
 echo "..."

help foo|echo "..."
help fooecho "..."
help foo
echo "..."

help foo@en|  echo "..."
help foo@en echo "..."
help foo@en
 echo "..."

help foo@en |  echo "..."
help foo@en  echo "..."
help foo@en 
 echo "..."

help foo@en|echo "..."
help foo@enecho "..."
help foo@en
echo "..."

help |
help ||
help |||
" empty next command (trailing whitespace)
help | 
help || 
help |||