On Di, 24 Sep 2013, Gary Johnson wrote:
> I've discovered that with 'cindent' set and with 'cinkeys'
> containing 0# as it does by default, the >> command has no effect on
> a line having a # in column 1.
>
> To demonstrate this, start Vim as
>
> vim -N -u NONE
>
> and enter this line with the # in column 1:
>
> #define this
>
> Type >> and <<. Note that the line shifts to the right and left.
>
> Now execute
>
> :set cindent
>
> and type >>. Note that the line does not move.
>
> Execute
>
> :set cinkeys-=0#
>
> and type >> again. The line shifts to the right.
>
> I've observed this on Linux using vim version 7.2.148 as well as
> 7.4.27, so this is not a new problem and may well have existed from
> the beginning.
>
> Granted, this is a minor problem that I've just now encountered
> after having used Vim for many years; it's just annoyingly
> interfering with what I'm trying to do at the moment.
That happens on purpose. See op_shift():
,----[ ops.c ]-
| [...]
| 248 for (i = oap->line_count; --i >= 0; )
| 249 {
| 250 first_char = *ml_get_curline();
| 251 if (first_char == NUL) /* empty line */
| 252 curwin->w_cursor.col = 0;
| 253 #ifdef FEAT_VISUALEXTRA
| 254 else if (oap->block_mode)
| 255 shift_block(oap, amount);
| 256 #endif
| 257 else
| 258 /* Move the line right if it doesn't start with '#',
'smartindent'
| 259 * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */
| 260 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT)
| 261 if (first_char != '#' || !preprocs_left())
| 262 #endif
| 263 {
| 264 shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE);
| 265 }
| 266 ++curwin->w_cursor.lnum;
| 267 }
| [...]
`----
I guess, the intention is, that in C code the defines need to be in the
first column.
regards,
Christian
--
Die meisten reden origineller, als sie schreiben.
-- Jean Paul
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