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Cleanup.


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5575 ea778897-0a13-0410-b9d1-a72fbfd435f5

MIO moved to GPLv2+ yesterday, seems I forgot to fetch the new license...


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Rather than walking the whole tree for each tag to find a possibly
corresponding row, use a hash table as cache.
This is a very significant improvement on large files with many tags,
reducing for example to about 170ms an update that took more than 18s
before.

Also fix merging of tags with same name and scope (probably unlikely to
exist in real-world files, but the tagmanager extract them correctly
and they used to display correctly too).


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5567 ea778897-0a13-0410-b9d1-a72fbfd435f5

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The main advantages of not clearing and rebuilding the whole list is
that it doesn't loose the folding and selection (as far as the selected
row(s) still exist after the update, of course), and it reduces
flickering upon update.

The current implementation works in 3-steps:
1) mark all rows as invalid;
2) insert/update the rows, according to the new tag list, marking them
   as valid;
3) remove all rows that are still invalid.
This walks (rows) the first time, (tags*rows) the second and (rows) the
third. This also uses an extra column to store the row's validity.

A (probably) better implementation would be to:
1) walk the current rows, updating them if necessary, or removing them;
2) add the remaining tags that weren't there before.
This is probably faster in theory (and probably also in practice), but
it needs to refactor a lot the code to easily update *or* create a row,
what the current code does not provide.
Basically this is would be a two-pass update, walking (rows*tags) in
the first pass, and only the remaining non-added tags in the second.


git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5562 ea778897-0a13-0410-b9d1-a72fbfd435f5

git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5561 ea778897-0a13-0410-b9d1-a72fbfd435f5

It is a boxed type but uses reference counting behind the scene. This
allow for example the tag store to make sure the tags it holds are
always valid.


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Enabled by default, using a minimal delay of 250ms between two updates.
Also add a preference to configure this in Geany's UI, under
Preferences -> Editor -> Completion.


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Moved the parsers to MIO, which allows both in-memory and file parsing.


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template file is empty (#3070913, thanks to lphilpot).



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Add support for multiple file filters, separated by semicolon (based on a patch by Grigory Javadyan, thanks).

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Add a workaround for #3066566 to prevent Geany from crashing during loading of a LaTeX-file containing linebreaks inside headings.

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Replace '+' by '-' in the Scintilla Keybindings section to be consistent with the other mentioned keybindings.

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