8000 Respect image external attribute in epub writer by brisad · Pull Request #7430 · jgm/pandoc · GitHub
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Respect image external attribute in epub writer #7430

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Jul 7, 2021
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Respect image external attribute in epub writer #7430

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6 changes: 6 additions & 0 deletions MANUAL.txt
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Expand Up @@ -6177,6 +6177,12 @@ with the `src` attribute. For example:
</source>
</audio>

If the input format already is HTML then `data-external="1"` will work
as expected for `<img>` elements. Similarly, for Markdown, external
images can be declared with `![img](url){external=1}`. Note that this
only works for images; the other media elements have no native
representation in pandoc's AST and requires the use of raw HTML.

# Jupyter notebooks

When creating a [Jupyter notebook], pandoc will try to infer the
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3 changes: 2 additions & 1 deletion src/Text/Pandoc/Writers/EPUB.hs
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Expand Up @@ -1131,7 +1131,8 @@ transformInline :: PandocMonad m
=> WriterOptions
-> Inline
-> E m Inline
transformInline _opts (Image attr lab (src,tit)) = do
transformInline _opts (Image attr@(_,_,kvs) lab (src,tit))
| isNothing (lookup "external" kvs) = do
newsrc <- modifyMediaRef $ T.unpack src
return $ Image attr lab ("../" <> newsrc, tit)
transformInline opts x@(Math t m)
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0