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patch 8.2.3149: some plugins have a problem with the error check

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Problem:    Some plugins have a problem with the error check for using
            :command with -complete but without -nargs.
Solution:   In legacy script only give a warning message.
This commit is contained in:
Bram Moolenaar
2021-07-11 19:12:04 +02:00
parent 5231224e11
commit cc7eb2aa7a
5 changed files with 52 additions and 4 deletions
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21
src/message.c
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@@ -3613,6 +3613,12 @@ verbose_open(void)
*/
void
give_warning(char_u *message, int hl)
{
give_warning_with_source(message, hl, FALSE);
}
void
give_warning_with_source(char_u *message, int hl, int with_source)
{
// Don't do this for ":silent".
if (msg_silent != 0)
@@ -3629,8 +3635,21 @@ give_warning(char_u *message, int hl)
keep_msg_attr = HL_ATTR(HLF_W);
else
keep_msg_attr = 0;
if (msg_attr((char *)message, keep_msg_attr) && msg_scrolled == 0)
if (with_source)
{
// Do what msg() does, but with a column offset if the warning should
// be after the mode message.
msg_start();
msg_source(HL_ATTR(HLF_W));
msg_puts(" ");
msg_puts_attr((char *)message, HL_ATTR(HLF_W) | MSG_HIST);
msg_clr_eos();
(void)msg_end();
}
else if (msg_attr((char *)message, keep_msg_attr) && msg_scrolled == 0)
set_keep_msg(message, keep_msg_attr);
msg_didout = FALSE; // overwrite this message
msg_nowait = TRUE; // don't wait for this message
msg_col = 0;