implement incremental checking based on built-in sentence navigation

[tpeacock19]

This allows us to send only partial chunks of text to the server
instead of sending the entire buffer for each modification to the
buffer.

[tpeacock19]

@jcs090218 I think this is finally in a good place for a real review. Whenever you have time can you take a look and try it out? There are still many areas I wish to refactor/optimize; however, it'll be better to get more eyes on it.

[jcs090218]

There is a compile warning:

flymake-languagetool.el:443:16: Warning: reference to free variable ‘forward-sentence-function’

See log https://github.com/emacs-languagetool/flymake-languagetool/actions/runs/8148448182/job/22271266671?pr=24#step:5:64.

[jcs090218]

Overall, LGTM!

I didn't check the functionalities, but you have been very responsive, so I think I can trust you. Feel free to merge it when it's ready! :)

[tpeacock19]

@jcs090218 Is there any way to get the Windows-latest snapshot test to actually run? I have seen that it always fails at the eask clean all command.

[jcs090218]

No, unfortunately. For more info, see emacs-eask/cli#224.

[tpeacock19]

@jcs090218 I was going to merge this PR, but I'm not certain why all the macOS tests are failing - there is not much information in logs. Whenever you have time, can you take a look?

[jcs090218]

I've re-run the test. It looks good now! ;)

[jcubic]

Any progress on this? Will it be merged? It looks like only one Windows test is failing.