pandoc/test/command/4743.md
John MacFarlane 7a9832166e Add text wrapping to HTML output.
Previously the HTML writer was exceptional in not being
sensitive to the `--wrap` option.  With this change `--wrap`
now works for HTML. The default (as with other formats) is
automatic wrapping to 72 columns.

A new internal module, T.P.Writers.Blaze, exports `layoutMarkup`.
This converts a blaze Html structure into a doclayout Doc Text.

In addition, we now add a line break between an `img` tag
and the associated `figcaption`.

Note: Output is never wrapped in `writeHtmlStringForEPUB`.
This accords with previous behavior since previously the HTML
writer was insensitive to `--wrap` settings.  There's no real
need to wrap HTML inside a zipped container.

Note that the contents of script, textarea, and pre tags are
always laid out with the `flush` combinator, so that unwanted
spaces won't be introduced if these occur in an indented context
in a template.

Closes #7764.
2021-12-22 09:45:02 -08:00

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Test that emojis are wrapped in Span
```
% pandoc -f commonmark+emoji -t native
My:thumbsup:emoji:heart:
^D
[ Para
[ Str "My"
, Span
( "" , [ "emoji" ] , [ ( "data-emoji" , "thumbsup" ) ] )
[ Str "\128077" ]
, Str "emoji"
, Span
( "" , [ "emoji" ] , [ ( "data-emoji" , "heart" ) ] )
[ Str "\10084\65039" ]
]
]
```
```
% pandoc -f markdown+emoji -t native
My:thumbsup:emoji:heart:
^D
[ Para
[ Str "My"
, Span
( "" , [ "emoji" ] , [ ( "data-emoji" , "thumbsup" ) ] )
[ Str "\128077" ]
, Str "emoji"
, Span
( "" , [ "emoji" ] , [ ( "data-emoji" , "heart" ) ] )
[ Str "\10084\65039" ]
]
]
```
```
% pandoc -f commonmark+emoji -t html
:zero: header
=============
My:thumbsup:emoji:heart:x :hearts: xyz
^D
<h1><span class="emoji" data-emoji="zero">0⃣</span> header</h1>
<p>My<span class="emoji" data-emoji="thumbsup">👍</span>emoji<span
class="emoji" data-emoji="heart">❤️</span>x <span class="emoji"
data-emoji="hearts">♥️</span> xyz</p>
```