It seems to be broken. It will go to hang.
https://gist.github.com/3186647
On Thursday, July 26, 2012 12:22:36 AM UTC+9, Bram Moolenaar wrote:
> Patch 7.3.615
> Problem: Completion for a user command does not recognize backslash before
> a space.
> Solution: Recognize escaped characters. (Yasuhiro Matsumoto)
> Files: src/ex_docmd.c
>
>
> *** ../vim-7.3.614/src/ex_docmd.c 2012-07-10 19:25:06.000000000 +0200
> --- src/ex_docmd.c 2012-07-25 17:10:16.000000000 +0200
> ***************
> *** 3390,3401 ****
> return NULL;
>
> /* Find start of last argument (argument just before cursor): */
> ! p = buff + STRLEN(buff);
> ! while (p != arg && *p != ' ' && *p != TAB)
> ! p--;
> ! if (*p == ' ' || *p == TAB)
> ! p++;
> xp->xp_pattern = p;
>
> if (ea.argt & XFILE)
> {
> --- 3390,3412 ----
> return NULL;
>
> /* Find start of last argument (argument just before cursor): */
> ! p = buff;
> xp->xp_pattern = p;
> + len = STRLEN(buff);
> + while (*p && p < buff + len)
> + {
> + if (*p == ' ' || *p == TAB)
> + {
> + /* argument starts after a space */
> + xp->xp_pattern = ++p;
> + }
> + else
> + {
> + if (*p == '\\' && *(p + 1) != NUL)
> + ++p; /* skip over escaped character */
> + mb_ptr_adv(p);
> + }
> + }
>
> if (ea.argt & XFILE)
> {
> ***************
> *** 3821,3828 ****
> if (compl == EXPAND_MAPPINGS)
> return set_context_in_map_cmd(xp, (char_u
> *)"map",
> arg, forceit, FALSE, FALSE, CMD_map);
> ! while ((xp->xp_pattern = vim_strchr(arg, ' '))
> != NULL)
> ! arg = xp->xp_pattern + 1;
> xp->xp_pattern = arg;
> }
> xp->xp_context = compl;
> --- 3832,3853 ----
> if (compl == EXPAND_MAPPINGS)
> return set_context_in_map_cmd(xp, (char_u
> *)"map",
> arg, forceit, FALSE, FALSE, CMD_map);
> ! /* Find start of last argument. */
> ! p = arg;
> ! while (*p)
> ! {
> ! if (*p == ' ')
> ! {
> ! /* argument starts after a space */
> ! arg = p + 1;
> ! }
> ! else
> ! {
> ! if (*p == '\\' && *(p + 1) != NUL)
> ! ++p; /* skip over escaped character */
> ! mb_ptr_adv(p);
> ! }
> ! }
> xp->xp_pattern = arg;
> }
> xp->xp_context = compl;
> *** ../vim-7.3.614/src/version.c 2012-07-25 16:46:59.000000000 +0200
> --- src/version.c 2012-07-25 17:17:05.000000000 +0200
> ***************
> *** 716,717 ****
> --- 716,719 ----
> { /* Add new patch number below this line */
> + /**/
> + 615,
> /**/
>
> --
> hundred-and-one symptoms of being an internet addict:
> 172. You join listservers just for the extra e-mail.
>
> /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
> /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
> \\\ an exciting new programming language -- http://www.Zimbu.org ///
> \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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