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patch 8.0.0677: setting 'filetype' may switch buffers

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Problem:    Setting 'filetype' internally may cause the current buffer and
            window to change unexpectedly.
Solution:   Set curbuf_lock. (closes #1734)
This commit is contained in:
Bram Moolenaar
2017-06-25 21:17:25 +02:00
parent 182a17b1e8
commit 1814183b86
5 changed files with 32 additions and 1 deletions
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4
src/ex_cmds.c
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@@ -6835,7 +6835,11 @@ fix_help_buffer(void)
#ifdef FEAT_AUTOCMD
/* Set filetype to "help" if still needed. */
if (STRCMP(curbuf->b_p_ft, "help") != 0)
{
++curbuf_lock;
set_option_value((char_u *)"ft", 0L, (char_u *)"help", OPT_LOCAL);
--curbuf_lock;
}
#endif
#ifdef FEAT_SYN_HL