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mirror of https://github.com/vim/vim.git synced 2025-07-26 11:04:33 -04:00
Aliaksei Budavei 2f5ff73827
runtime(syntax-tests): Filter out non-Latin-1 characters for syntax tests (#14767)
Syntax tests are run with the LC_ALL=C environment variable
passed to "make".  Occasionally, there are CI failures for
such test files containing non-Latin-1 characters with error
messages pointing to multi-byte characters:

https://github.com/vim/vim/actions/runs/8824925004/job/24228298023#step:10:16370 ,
https://github.com/vim/vim/actions/runs/8840856619/job/24276935260#step:10:16347 ,
https://github.com/vim/vim/actions/runs/8854043458/job/24316210645#step:10:16362 ,
https://github.com/vim/vim/actions/runs/8856501136/job/24322848765#step:10:16354 ,
https://github.com/vim/vim/actions/runs/9038417238/job/24839482152#step:11:16980 .

But since the very same unchanged tests pass at other times:

https://github.com/vim/vim/actions/runs/8827593571/job/24235935458#step:10:16353 ,
https://github.com/vim/vim/actions/runs/9065214647/job/24905321661#step:11:17002 ;

these failures are unrelated to the nature of syntax tests
and should be considered false positives.

As a temporary workaround, all bytes of known non-Latin-1
characters can be replaced in memory with an arbitrary ASCII
byte (?) by applying a filter

> " To ignore part of the dump, provide a "dumps/{filename}.vim" file with
> " Vim commands to be applied to both the reference and the current dump, so
> " that parts that are irrelevant are not used for the comparison.  The result
> " is NOT written, thus "term_dumpdiff()" shows the difference anyway.

before lines are compared between files.


Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2024-05-13 21:06:05 +02:00
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This directory contains Vim scripts for syntax highlighting.

These scripts are not for a language, but are used by Vim itself:

syntax.vim	Used for the ":syntax on" command.  Uses synload.vim.

manual.vim	Used for the ":syntax manual" command.  Uses synload.vim.

synload.vim	Contains autocommands to load a language file when a certain
		file name (extension) is used.  And sets up the Syntax menu
		for the GUI.

nosyntax.vim	Used for the ":syntax off" command.  Undo the loading of
		synload.vim.

The "shared" directory contains generated files and what is used by more than
one syntax.


A few special files:

2html.vim	Converts any highlighted file to HTML (GUI only).
colortest.vim	Check for color names and actual color on screen.
hitest.vim	View the current highlight settings.
whitespace.vim  View Tabs and Spaces.


If you want to write a syntax file, read the docs at ":help usr_44.txt".

If you make a new syntax file which would be useful for others, please send it
to the vim-dev mailing list <vim-dev@vim.org>.  Include instructions for
detecting the file type for this language, by file name extension or by
checking a few lines in the file. And please write the file in a portable way,
see ":help 44.12".

If you have remarks about an existing file, send them to the maintainer of
that file.  Only when you get no response send a message to the vim-dev
mailing list: <vim-dev@vim.org>.

If you are the maintainer of a syntax file and make improvements, send the new
version to the vim-dev mailing list: <vim-dev@vim.org>

For further info see ":help syntax" in Vim.