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Revert "CI: Manage multibyte characters in syntax tests"

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This reverts commit 0fde6aebdd.

With "v9.1.2134" applied, arbitrary multibyte characters are
not replaced with spurious U+FFFD characters (typically when
the host system is under load); U+FFFD characters that are
intentionally written in an input file continue to remain
present for later output and comparison.  The workaround of
"v9.1.1592~3" is no longer necessary.

Also prefer "page_nr" to "nr" in syntax/testdir/runtest.vim

closes: #19348

Signed-off-by: Aliaksei Budavei <0x000c70@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Aliaksei Budavei
2026-02-07 15:48:33 +00:00
committed by Christian Brabandt
parent 35c428b02c
commit f0b8b2c32a
4 changed files with 69 additions and 261 deletions
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16
runtime/syntax/testdir/README.txt
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@@ -61,6 +61,8 @@ an "input/setup/java.vim" script file with the following lines:
Both inline setup commands and setup scripts may be used at the same time, the
script file will be sourced before any VIM_TEST_SETUP commands are executed.
Every line of a source file must not be longer than 1425 (19 x 75) characters.
If there is no further setup required, you can now run all tests:
make test
@@ -110,20 +112,6 @@ If they look OK, move them to the "dumps" directory:
If you now run the test again, it will succeed.
Limitations for syntax plugin tests
-----------------------------------
Do not compose ASCII lines that do not fit a 19 by 75 window (1425 columns).
Use multibyte characters, if at all, sparingly (see #16559). When possible,
move multibyte characters closer to the end of a line and keep the line short:
no more than a 75-byte total of displayed characters. A poorly rendered line
may otherwise become wrapped when enough of spurious U+FFFD (0xEF 0xBF 0xBD)
characters claim more columns than are available (75) and then invalidate line
correspondence under test. Refrain from mixing non-spurious U+FFFD characters
with other multibyte characters in the same line.
Adjusting a syntax plugin test
------------------------------