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To: vim_dev@googlegroups.com
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Subject: Patch 7.4.104
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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 7.4.104
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Problem: ":help s/\_" reports an internal error. (John Beckett)
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Solution: Check for NUL and invalid character classes.
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Files: src/regexp_nfa.c
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*** ../vim-7.4.103/src/regexp_nfa.c 2013-11-21 16:03:35.000000000 +0100
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--- src/regexp_nfa.c 2013-11-28 14:05:34.000000000 +0100
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***************
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*** 239,245 ****
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--- 239,247 ----
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NFA_UPPER, NFA_NUPPER
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};
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+ static char_u e_nul_found[] = N_("E865: (NFA) Regexp end encountered prematurely");
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static char_u e_misplaced[] = N_("E866: (NFA regexp) Misplaced %c");
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+ static char_u e_ill_char_class[] = N_("E877: (NFA regexp) Invalid character class: %ld");
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/* NFA regexp \ze operator encountered. */
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static int nfa_has_zend;
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***************
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*** 1137,1143 ****
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switch (c)
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{
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case NUL:
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! EMSG_RET_FAIL(_("E865: (NFA) Regexp end encountered prematurely"));
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case Magic('^'):
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EMIT(NFA_BOL);
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--- 1139,1145 ----
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switch (c)
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{
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case NUL:
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! EMSG_RET_FAIL(_(e_nul_found));
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case Magic('^'):
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EMIT(NFA_BOL);
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***************
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*** 1160,1165 ****
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--- 1162,1170 ----
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case Magic('_'):
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c = no_Magic(getchr());
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+ if (c == NUL)
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+ EMSG_RET_FAIL(_(e_nul_found));
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+
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if (c == '^') /* "\_^" is start-of-line */
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{
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EMIT(NFA_BOL);
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***************
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*** 1216,1221 ****
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--- 1221,1232 ----
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p = vim_strchr(classchars, no_Magic(c));
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if (p == NULL)
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{
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+ if (extra == NFA_ADD_NL)
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+ {
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+ EMSGN(_(e_ill_char_class), c);
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+ rc_did_emsg = TRUE;
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+ return FAIL;
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+ }
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EMSGN("INTERNAL: Unknown character class char: %ld", c);
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return FAIL;
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}
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***************
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*** 4733,4739 ****
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default:
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/* should not be here :P */
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! EMSGN("E877: (NFA regexp) Invalid character class: %ld", class);
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return FAIL;
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}
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return FAIL;
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--- 4744,4750 ----
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default:
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/* should not be here :P */
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! EMSGN(_(e_ill_char_class), class);
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return FAIL;
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}
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return FAIL;
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*** ../vim-7.4.103/src/version.c 2013-11-21 18:13:26.000000000 +0100
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--- src/version.c 2013-11-28 14:06:59.000000000 +0100
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***************
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*** 740,741 ****
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--- 740,743 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 104,
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/**/
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--
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Everybody wants to go to heaven, but nobody wants to die.
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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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