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fix(keywordprg): default to :help if set to empty string (#19983)

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zeertzjq
2022-08-29 05:58:32 +08:00
committed by GitHub
parent 88c32b5eba
commit b21980bd60
2 changed files with 11 additions and 5 deletions
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5
src/nvim/normal.c
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@@ -4278,13 +4278,12 @@ static void nv_ident(cmdarg_T *cap)
// double the length of the word. p_kp / curbuf->b_p_kp could be added
// and some numbers.
char_u *kp = *curbuf->b_p_kp == NUL ? p_kp : (char_u *)curbuf->b_p_kp; // 'keywordprg'
assert(*kp != NUL); // option.c:do_set() should default to ":help" if empty.
bool kp_ex = (*kp == ':'); // 'keywordprg' is an ex command
bool kp_help = (STRCMP(kp, ":he") == 0 || STRCMP(kp, ":help") == 0);
bool kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0 || STRCMP(kp, ":help") == 0);
if (kp_help && *skipwhite(ptr) == NUL) {
emsg(_(e_noident)); // found white space only
return;
}
bool kp_ex = (*kp == ':'); // 'keywordprg' is an ex command
size_t buf_size = n * 2 + 30 + STRLEN(kp);
char *buf = xmalloc(buf_size);
buf[0] = NUL;