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patch 8.2.1678: crash when using ":set" after ":ownsyntax"

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Problem:    Crash when using ":set" after ":ownsyntax".
Solution:   Make sure 'spelloptions' is not NULL. (closes #6950)
This commit is contained in:
Bram Moolenaar
2020-09-13 22:37:34 +02:00
parent 4d170af0a9
commit d1f76afaf9
3 changed files with 8 additions and 0 deletions
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2
src/syntax.c
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@@ -6316,9 +6316,11 @@ ex_ownsyntax(exarg_T *eap)
#ifdef FEAT_SPELL
// TODO: keep the spell checking as it was.
curwin->w_p_spell = FALSE; // No spell checking
// make sure option values are "empty_option" instead of NULL
clear_string_option(&curwin->w_s->b_p_spc);
clear_string_option(&curwin->w_s->b_p_spf);
clear_string_option(&curwin->w_s->b_p_spl);
clear_string_option(&curwin->w_s->b_p_spo);
#endif
clear_string_option(&curwin->w_s->b_syn_isk);
}

4
src/testdir/test_syntax.vim
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@@ -428,7 +428,11 @@ func Test_ownsyntax()
call setline(1, '#define FOO')
syntax on
set filetype=c
ownsyntax perl
" this should not crash
set
call assert_equal('perlComment', synIDattr(synID(line('.'), col('.'), 1), 'name'))
call assert_equal('c', b:current_syntax)
call assert_equal('perl', w:current_syntax)

2
src/version.c
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@@ -750,6 +750,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
1678,
/**/
1677,
/**/