vim-polyglot/after/syntax/help.vim

if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'scala') == -1
  
" Extends standard help syntax with highlighting of Scala code.
"
" Place code between !sc! and !/sc! delimiters. These will be hidden if Vim is
" built with conceal support.

unlet! b:current_syntax

syntax include @ScalaCode syntax/scala.vim

if has('conceal')
  syntax region rgnScala matchgroup=Ignore concealends start='!sc!' end='!/sc!' contains=@ScalaCode
else
  syntax region rgnScala matchgroup=Ignore start='!sc!' end='!/sc!' contains=@ScalaCode
endif

endif