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Line blocks are allowed to contain empty lines and should be parsed as a
single block in that case. Previously an empty (line block) line would
have terminated parsing of the line block element.
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Markup-features focusing on lines as distinctive part of the markup are read
into `LineBlock` elements. This currently means line blocks in reStructuredText
and Markdown (the latter only if the `line_block` extension is enabled), the
`linegroup`/`line` combination from the Docbook 5.1 working draft, and Org-mode
`VERSE` blocks.
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The following markup features are used to output the lines of the `LineBlock`
element:
- AsciiDoc: a `[verse]` block,
- ConTeXt: text surrounded by `\startlines` and `\endlines`,
- HTML: `div` with an per-element style setting to interpret the content as
pre-wrapped,
- Markdown: line blocks if the `line_blocks` extension is enabled, a simple
paragraph with hard linebreaks otherwise,
- Org: VERSE block,
- RST: a line block, and
- all other formats: a paragraph, containing hard linebreaks between lines.
Custom lua writers should be updated to use the `LineBlock` element.
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The `linesToBlock` function takes a list of lines and combines them by appending
a hard `LineBreak` to each line and concatenating the result, putting the result
it into a `Para`. This is most useful when dealing when converting `LineBlock`
elements.
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Specify location for footnotes (and reference links) in MD output
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This allows footnotes and refs to be placed at the end of blocks and
sections. Note that we only place them at the end of blocks that are at
the top level and before headers that are the top level. We add an
environment variable to keep track of this. Because we clear the
footnotes and refs when we use them, we also add a state variable to
keep track of the starting number.
Finally, note that we still add any remaining footnotes at the end. This
takes care of the final section, if we are placing at the end of a
section, and will always come after a final block as well.
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This will make it easier to keep track of what level of block we are at.
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This will be used by the markdown writer for deciding where to put links
and footnotes.
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An empty verse line should not result in `Str ""` but in `mempty`.
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Previously we'd emit raw HTML tables even if the `raw_html`
extension was disabled.
Now we just emit `[TABLE]` if no table formats are enabled
and raw HTML is not enabled.
We also check for the `raw_html` extension before emiting
a raw HTML block.
Closes #3154.
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PrintWidth is set at the beginning and stays the same throughout the
document writing, so we just set it as an env variable in the Reader
monad.
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More meaningful variable name, and explanatory comment.
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Now RTL is turned and off by a general function, `withDirection`
wrapping `inlineToOpenXML` and `blockToOpenXML`. This acts according to
the `envRTL` variable. This means we can just set the environment at the
outset, and change the environment with `local` as need be.
Note that this requires making the `inlineToOpenXML` and
`blockToOpenXML` functions into wrappers around
primed-versions (`{inline,block}ToOpenXML`) where the real work takes
place.
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In general, we want things that are either:
1. unchanging environment variables, or
2. environment variables that will change for a the scope of
a function and then pop back
to be in the reader monad. This is safer for (1), since we won't
accidentally change it, and easier for (2), since we can use `local`
instad of setting the old value and then resetting.
We keep the StateT monad for values that we will want to accumulate or
change and then use later.
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A few commented out functions were left in the code during the
conversion from StateT to ReaderT. This removes them.
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We had to use this because we set the env, which means that setRTL
wouldn't do anything at the top level. We now don't set the env (it will
always be false at the outset), which means the toplevel setRTL will
work if necessary.
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We only filter on the name, not the prefix.
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At the toplevel we don't check to see if RTL is already set.
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Things that get pushed and then reset are better in ReaderT, because
they can be run with `local`.
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This will allow us to add text and paragraph properties depending on if
rtl is already set or not.
(It would probably be cleaner and safer to move the paraprops and
textprops to this part of the stack in the future.)
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`foo bar.jpg` becomes `foo_bar.jpg`. This was already done
for internal links, but it also needs to happen for images.
Closes #3052.
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This means that underscores won't be used for emphasis,
or CAPS for bold. The metadata fields will just have unadorned
text.
Closes #3066.
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In AsciiDoc, you must use a special form of emphasis (double `__`)
for intraword emphasis. Pandoc was previously using this more
than necessary.
Closes #3068.
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jgm/doctemplates.
This allows the pandoc templating system to be used independently.
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See #168.
Text.Pandoc.Options.Extension has a new constructor `Ext_brackted_spans`,
which is enabled by default in pandoc's Markdown.
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LaTeX: Do not set [htbp] figure placement options.
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Backticks in verbatim environments are converted to
open-single-quotes. This change makes them appear as backticks. This
corresponds to how we treat `'' in verbatim environments (with
\textquotesingle{}).
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We don't want ligatures like ` ?` ` (which produces `¿`) inside
`\texttt{}` environments, so we enclose the backtick in braces.
This fixes #3121
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This closes #3102. Note that DocBook does not have a class attribute,
but at least this provides an anchor for internal links.
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Our lower bound on http-client is 0.5, and both of these min_version
tests are less than 0.5, so they will always pass.
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This tests for a min value >= 0.5. But we have a lower bound of 0.5 in
pandoc.cabal, so the test will always pass.
(If we bump the lower bound to 0.5.1, we can remove a conditional in the
HTML writer as well.)
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Because time 1.4 is a boot library for GHC 7.8, we will support the
compatibility module as long as we support 7.8. But we should be clear
about when we will no longer need it.
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We already lower-bound tagsoup at 0.13.7, which means we were always
running the compatibility layer (it was conditional on min value
0.13). Better to just use `lookupEntity` from the library directly, and
convert a string to a char if need be.
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Base 4.4 is ghc 7.2, so we don't have to worry about getting a lower version.
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directory 1.1 depends on base 4.5 (ghc 7.4) which we are no longer
supporting. So we don't have to use a compatibility layer for it.
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Some source files keep imports in tidy groups. Changing
`Text.Pandoc.Compat.Monoid` to `Data.Monoid` could upset that. This
restores tidiness.
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This was only necessary for GHC versions with base below 4.5
(i.e., ghc < 7.4).
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Instead, emit the alt text, emphasized. This accords with what
the ODT writer currently does.
The user will still get a warning about a nonexistent image,
but will no longer get a LaTeX crash.
Closes #3100.
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Translate NARROW NO-BREAK SPACE into LaTeX.
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Sections the `unnumbered` property should, as the name implies, be
excluded from the automatic numbering of section provided by some output
formats. The Pandoc convention for this is to add an "unnumbered" class
to the header. The reader treats properties as key-value pairs per
default, so a special case is added to translate the above property to a
class instead.
Closes #3095.
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The last attempt to make 7.8 happy made 7.10 unhappy. So we need some
conditional logic to appease all versions.
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The GHC 7.8 build was erroring without it.
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