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fix(help): force tree reparse after local addition insertion

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Problem: *local-additions* in `help.txt` are inserted via `ml_append`,
which messes up treesitter highlighting of this file as the buffer
becomes desynced from the tree.

Solution: Add hack on top of hack by explicitly calling `mark_adjust`
and `changed_lines_buf` after each insertion.
This commit is contained in:
Christian Clason 2023-03-13 19:50:09 +01:00
parent f01f18cdf4
commit 95ab5a0da3
1 changed files with 8 additions and 0 deletions
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8
src/nvim/help.c
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@ -10,6 +10,7 @@
#include "nvim/ascii.h"
#include "nvim/buffer.h"
#include "nvim/change.h"
#include "nvim/charset.h"
#include "nvim/cmdexpand.h"
#include "nvim/ex_cmds.h"
@ -699,6 +700,8 @@ void fix_help_buffer(void)
continue;
}
int lnum_start = lnum;
// Go through all directories in 'runtimepath', skipping
// $VIMRUNTIME.
char *p = p_rtp;
@ -829,6 +832,11 @@ void fix_help_buffer(void)
}
xfree(rt);
}
linenr_T appended = lnum - lnum_start;
if (appended) {
mark_adjust(lnum_start + 1, (linenr_T)MAXLNUM, appended, 0L, kExtmarkUndo);
changed_lines_buf(curbuf, lnum_start + 1, lnum_start + 1, appended);
}
break;
}
}