Added --slide-level option to override default.

This allows users to select a slide level below the first
header level with content.

Note that content under sections above the slide level will not appear
in slides (either in beamer or in HTML slide shows).

This is primarily useful for creating documents that can be made
into both slides and handouts (which contain additional content
outside the slides).

1 files changed, 5 insertions, 1 deletions

diff --git a/src/Text/Pandoc/Writers/LaTeX.hs b/src/Text/Pandoc/Writers/LaTeX.hs
index bf1ad91d9..140ef171d 100644
--- a/src/Text/Pandoc/Writers/LaTeX.hs
+++ b/src/Text/Pandoc/Writers/LaTeX.hs
@@ -201,7 +201,8 @@ inCmd cmd contents = char '\\' <> text cmd <> braces contents
 
 toSlides :: [Block] -> State WriterState [Block]
 toSlides bs = do
-  let slideLevel = getSlideLevel bs
+  opts <- gets stOptions
+  let slideLevel = maybe (getSlideLevel bs) id $ writerSlideLevel opts
   let bs' = prepSlides slideLevel bs
   concat `fmap` (mapM (elementToBeamer slideLevel) $ hierarchicalize bs')
 
@@ -214,7 +215,10 @@ elementToBeamer slideLevel  (Sec lvl _num _ident tit elts)
                     : tit ++ [RawInline "latex" "}"] )
              : bs ++ [RawBlock "latex" "\\end{block}"]
   | lvl <  slideLevel = do
+      let isSec (Sec _ _ _ _ _) = True
+          isSec (Blk _)         = False
       bs <- concat `fmap` mapM (elementToBeamer slideLevel) elts
+               -- (filter isSec elts)
       return $ (Header lvl tit) : bs
   | otherwise = do -- lvl == slideLevel
       -- note: [fragile] is required or verbatim breaks