- patchlevel 293
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Karsten Hopp
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7.4.293
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301
7.4.293
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To: vim_dev@googlegroups.com
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Subject: Patch 7.4.293
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.4.293
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Problem: It is not possible to ignore composing characters at a specific
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point in a pattern.
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Solution: Add the %C item.
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Files: src/regexp.c, src/regexp_nfa.c, src/testdir/test95.in,
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src/testdir/test95.ok, runtime/doc/pattern.txt
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*** ../vim-7.4.292/src/regexp.c 2014-05-13 18:03:55.729737466 +0200
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--- src/regexp.c 2014-05-13 18:27:08.725749659 +0200
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***************
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*** 244,249 ****
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--- 244,250 ----
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#define RE_MARK 207 /* mark cmp Match mark position */
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#define RE_VISUAL 208 /* Match Visual area */
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+ #define RE_COMPOSING 209 /* any composing characters */
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/*
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* Magic characters have a special meaning, they don't match literally.
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***************
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*** 2208,2213 ****
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--- 2209,2218 ----
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ret = regnode(RE_VISUAL);
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break;
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+ case 'C':
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+ ret = regnode(RE_COMPOSING);
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+ break;
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+
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/* \%[abc]: Emit as a list of branches, all ending at the last
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* branch which matches nothing. */
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case '[':
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***************
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*** 4710,4720 ****
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status = RA_NOMATCH;
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}
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#ifdef FEAT_MBYTE
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! /* Check for following composing character. */
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if (status != RA_NOMATCH
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&& enc_utf8
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&& UTF_COMPOSINGLIKE(reginput, reginput + len)
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! && !ireg_icombine)
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{
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/* raaron: This code makes a composing character get
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* ignored, which is the correct behavior (sometimes)
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--- 4715,4727 ----
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status = RA_NOMATCH;
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}
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#ifdef FEAT_MBYTE
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! /* Check for following composing character, unless %C
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! * follows (skips over all composing chars). */
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if (status != RA_NOMATCH
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&& enc_utf8
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&& UTF_COMPOSINGLIKE(reginput, reginput + len)
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! && !ireg_icombine
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! && OP(next) != RE_COMPOSING)
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{
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/* raaron: This code makes a composing character get
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* ignored, which is the correct behavior (sometimes)
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***************
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*** 4791,4796 ****
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--- 4798,4813 ----
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status = RA_NOMATCH;
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break;
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#endif
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+ case RE_COMPOSING:
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+ #ifdef FEAT_MBYTE
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+ if (enc_utf8)
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+ {
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+ /* Skip composing characters. */
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+ while (utf_iscomposing(utf_ptr2char(reginput)))
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+ mb_cptr_adv(reginput);
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+ }
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+ #endif
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+ break;
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case NOTHING:
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break;
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*** ../vim-7.4.292/src/regexp_nfa.c 2014-05-13 16:44:25.633695709 +0200
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--- src/regexp_nfa.c 2014-05-13 19:25:58.285780556 +0200
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***************
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*** 81,86 ****
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--- 81,87 ----
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NFA_COMPOSING, /* Next nodes in NFA are part of the
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composing multibyte char */
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NFA_END_COMPOSING, /* End of a composing char in the NFA */
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+ NFA_ANY_COMPOSING, /* \%C: Any composing characters. */
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NFA_OPT_CHARS, /* \%[abc] */
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/* The following are used only in the postfix form, not in the NFA */
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***************
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*** 1418,1423 ****
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--- 1419,1428 ----
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EMIT(NFA_VISUAL);
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break;
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+ case 'C':
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+ EMIT(NFA_ANY_COMPOSING);
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+ break;
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+
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case '[':
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{
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int n;
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***************
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*** 2429,2434 ****
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--- 2434,2440 ----
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case NFA_MARK_LT: STRCPY(code, "NFA_MARK_LT "); break;
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case NFA_CURSOR: STRCPY(code, "NFA_CURSOR "); break;
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case NFA_VISUAL: STRCPY(code, "NFA_VISUAL "); break;
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+ case NFA_ANY_COMPOSING: STRCPY(code, "NFA_ANY_COMPOSING "); break;
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case NFA_STAR: STRCPY(code, "NFA_STAR "); break;
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case NFA_STAR_NONGREEDY: STRCPY(code, "NFA_STAR_NONGREEDY "); break;
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***************
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*** 2967,2972 ****
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--- 2973,2979 ----
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case NFA_NLOWER_IC:
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case NFA_UPPER_IC:
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case NFA_NUPPER_IC:
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+ case NFA_ANY_COMPOSING:
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/* possibly non-ascii */
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#ifdef FEAT_MBYTE
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if (has_mbyte)
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***************
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*** 4152,4157 ****
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--- 4159,4165 ----
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continue;
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case NFA_ANY:
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+ case NFA_ANY_COMPOSING:
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case NFA_IDENT:
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case NFA_SIDENT:
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case NFA_KWORD:
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***************
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*** 4395,4401 ****
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switch (state->c)
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{
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case NFA_MATCH:
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! nfa_match = TRUE;
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break;
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case NFA_SPLIT:
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--- 4403,4409 ----
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switch (state->c)
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{
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case NFA_MATCH:
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! // nfa_match = TRUE;
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break;
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case NFA_SPLIT:
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***************
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*** 5151,5156 ****
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--- 5159,5165 ----
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case NFA_MATCH:
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case NFA_MCLOSE:
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+ case NFA_ANY_COMPOSING:
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/* empty match works always */
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return 0;
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***************
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*** 5573,5578 ****
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--- 5582,5593 ----
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{
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case NFA_MATCH:
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{
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+ #ifdef FEAT_MBYTE
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+ /* If the match ends before a composing characters and
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+ * ireg_icombine is not set, that is not really a match. */
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+ if (enc_utf8 && !ireg_icombine && utf_iscomposing(curc))
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+ break;
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+ #endif
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nfa_match = TRUE;
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copy_sub(&submatch->norm, &t->subs.norm);
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#ifdef FEAT_SYN_HL
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***************
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*** 6120,6125 ****
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--- 6135,6157 ----
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}
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break;
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+ case NFA_ANY_COMPOSING:
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+ /* On a composing character skip over it. Otherwise do
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+ * nothing. Always matches. */
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+ #ifdef FEAT_MBYTE
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+ if (enc_utf8 && utf_iscomposing(curc))
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+ {
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+ add_off = clen;
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+ }
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+ else
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+ #endif
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+ {
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+ add_here = TRUE;
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+ add_off = 0;
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+ }
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+ add_state = t->state->out;
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+ break;
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+
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/*
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* Character classes like \a for alpha, \d for digit etc.
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*/
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***************
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*** 6484,6495 ****
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if (!result && ireg_ic)
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result = MB_TOLOWER(c) == MB_TOLOWER(curc);
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#ifdef FEAT_MBYTE
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! /* If there is a composing character which is not being
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! * ignored there can be no match. Match with composing
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! * character uses NFA_COMPOSING above. */
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! if (result && enc_utf8 && !ireg_icombine
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! && clen != utf_char2len(curc))
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! result = FALSE;
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#endif
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ADD_STATE_IF_MATCH(t->state);
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break;
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--- 6516,6525 ----
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if (!result && ireg_ic)
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result = MB_TOLOWER(c) == MB_TOLOWER(curc);
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#ifdef FEAT_MBYTE
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! /* If ireg_icombine is not set only skip over the character
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! * itself. When it is set skip over composing characters. */
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! if (result && enc_utf8 && !ireg_icombine)
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! clen = utf_char2len(curc);
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#endif
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ADD_STATE_IF_MATCH(t->state);
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break;
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diff: ../vim-7.4.292/src/testdir/test95.insrc/testdir/test95.ok,: No such file or directory
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diff: src/testdir/test95.insrc/testdir/test95.ok,: No such file or directory
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*** ../vim-7.4.292/runtime/doc/pattern.txt 2013-08-10 13:24:59.000000000 +0200
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--- runtime/doc/pattern.txt 2014-05-13 18:59:57.621766895 +0200
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***************
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*** 545,550 ****
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--- 545,551 ----
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|/\%u| \%u \%u match specified multibyte character (eg \%u20ac)
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|/\%U| \%U \%U match specified large multibyte character (eg
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\%U12345678)
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+ |/\%C| \%C \%C match any composing characters
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Example matches ~
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\<\I\i* or
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***************
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*** 1207,1218 ****
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8. Composing characters *patterns-composing*
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*/\Z*
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! When "\Z" appears anywhere in the pattern, composing characters are ignored.
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! Thus only the base characters need to match, the composing characters may be
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! different and the number of composing characters may differ. Only relevant
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! when 'encoding' is "utf-8".
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Exception: If the pattern starts with one or more composing characters, these
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must match.
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When a composing character appears at the start of the pattern of after an
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item that doesn't include the composing character, a match is found at any
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--- 1208,1225 ----
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8. Composing characters *patterns-composing*
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*/\Z*
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! When "\Z" appears anywhere in the pattern, all composing characters are
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! ignored. Thus only the base characters need to match, the composing
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! characters may be different and the number of composing characters may differ.
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! Only relevant when 'encoding' is "utf-8".
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Exception: If the pattern starts with one or more composing characters, these
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must match.
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+ */\%C*
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+ Use "\%C" to skip any composing characters. For example, the pattern "a" does
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+ not match in "càt" (where the a has the composing character 0x0300), but
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+ "a\%C" does. Note that this does not match "cát" (where the á is character
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+ 0xe1, it does not have a compositing character). It does match "cat" (where
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+ the a is just an a).
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When a composing character appears at the start of the pattern of after an
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item that doesn't include the composing character, a match is found at any
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*** ../vim-7.4.292/src/version.c 2014-05-13 18:03:55.729737466 +0200
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--- src/version.c 2014-05-13 18:28:45.885750510 +0200
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***************
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*** 736,737 ****
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--- 736,739 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 293,
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/**/
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--
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hundred-and-one symptoms of being an internet addict:
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155. You forget to eat because you're too busy surfing the net.
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\ an exciting new programming language -- http://www.Zimbu.org ///
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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