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add non-breaking space to slides containing only a background image #5

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add non-breaking space to slides containing only a background image #5

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17 changes: 16 additions & 1 deletion ftplugin/markdown.vim
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,10 @@ if !exists('g:vim_reveal_loaded') || g:vim_reveal_loaded == 0
endif
endfunction

function! s:Trim(str)
return substitute(a:str, '^\s*\(.\{-}\)\s*$', '\1', '')
endfunc

function! s:GetContent()
let content = []
1
Expand Down Expand Up @@ -124,7 +128,18 @@ if !exists('g:vim_reveal_loaded') || g:vim_reveal_loaded == 0
elseif subsecno != ''
let sectail = sectail+sectail
endif
let content += sechead+subhead+getline(line('.')+1, endlineno)+subtail+sectail
let lines = getline(line('.')+1, endlineno)
let allEmpty = 1
for line in lines
if s:Trim(line) != ''
let allEmpty = 0
endif
endfor
if allEmpty
let content += sechead+subhead+[' ']+subtail+sectail
else
let content += sechead+subhead+lines+subtail+sectail
endif
endif
if line2 == 0
return content
Expand Down