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(docs) clarify use of continuation #2274

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Nov 13, 2019
Merged

(docs) clarify use of continuation #2274

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bb33718
clarify use of continuation
joshgoebel Nov 12, 2019
381edf0
Merge branch 'master' into continuation_not_for_line_by_line
joshgoebel Nov 13, 2019
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8 changes: 7 additions & 1 deletion docs/api.rst
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Expand Up @@ -14,7 +14,13 @@ forces highlighting to finish even in case of detecting illegal syntax for the
language instead of throwing an exception.
The ``continuation`` is an optional mode stack representing unfinished parsing.
When present, the function will restart parsing from this state instead of
initializing a new one.
initializing a new one. This is used internally for `sublanguage` support.

Note: `continuation` is NOT intended to support line-by-line highlighting
because there is no requirement that a grammar handle linebreaks in any special
way. It's quite possible for a grammar to have a single mode/regex that matches
MANY lines at once. This is not discouraged and entirely up to the grammar.

Returns an object with the following properties:

* ``language``: language name, same as the one passed into a function, returned for consistency with ``highlightAuto``
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