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Not sure if I am using the correct terminology. I can select lexer type ok, for log files, only one shows: Log files ^
But clicking the lexer properties button works on other file types but does nothing for log files. How do I fix this?
Thanks.

not a bug.

'Log files ^' means it is LITE lexer.
Wiki: https://wiki.freepascal.org/CudaText#Lite_lexers
LITE lexers do not have config-dialog for them, so app does nothing. from next update 1.236.x.y, app will show the error-msgbox about this fact, when you call 'Lexer properties' for lite lexer.

oh ok. Is it possible to add a lexer properties for Log files? Thank you.

I didnt mean for you to do so, I meant can I add a new one? How do i go about it? Do I put them in the lexlib folder and they are automatically read on startup? Do they persist on updates, ie do not get deleted?
Thanks for your help.

- you cannot add 'lexer props' dialog for _lite_ lexers. lite lexers don't have props which we need to change.
- lite lexers are in the data/lexliblite subfolder. yes they persist on updates. no, user cannot copy them to data/lexlib, because file format of usual lexers is different (usual lexers - .LCF ; lite lexers - .JSON).

ok, I understand, but I meant can they be created from scratch?

of course, lite lexers can be / must be created from scratch. just make the similar JSON blocks, similar to existing lexers.

lol, sorry for the confusion, I mean can I make new lexers that can be edited so I can edit their properties in the lexlib folder?
In other words, create two new files:
Log.cuda-lexmap
Log.lcf
So they can be used as a typical lexer and allow editing of their properties as normal. Can that be done?
Thanks.

Worked a treat! Thanks Alexey!

of course, you can make a new lexer in LCF format. for any format, for LOG too.
example existed here:
https://github.com/CudaText-addons/Cuda ... r/Logfiles

(it highlites special words in LOG files, in german lang too; author is German man)

but, if user opens a 500MB log-file with .LCF lexer, work will be very slow, even if user will change option "ui_max_size_lexer" to 501.