Commit dd52d970 authored by Stefan Monnier's avatar Stefan Monnier

Update the copyright.

(RE_SHY_GROUPS): New value.
(RE_UNMATCHED_RIGHT_PAREN_ORD): Renumber.
(RE_SYNTAX_EMACS): Add RE_SHY_GROUPS.
parent 7397acc4
/* Definitions for data structures and routines for the regular
expression library, version 0.12.
Copyright (C) 1985, 89, 90, 91, 92, 93, 95 Free Software Foundation, Inc.
Copyright (C) 1985,89,90,91,92,93,95,2000 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
......@@ -135,9 +135,12 @@ typedef unsigned reg_syntax_t;
without further backtracking. */
#define RE_NO_POSIX_BACKTRACKING (RE_NO_EMPTY_RANGES << 1)
/* If this bit is set, then (?:...) is treated as a shy group. */
#define RE_SHY_GROUPS (RE_NO_POSIX_BACKTRACKING << 1)
/* If this bit is set, then an unmatched ) is ordinary.
If not set, then an unmatched ) is invalid. */
#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_POSIX_BACKTRACKING << 1)
#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_SHY_GROUPS << 1)
/* This global variable defines the particular regexp syntax to use (for
some interfaces). When a regexp is compiled, the syntax used is
......@@ -156,7 +159,7 @@ extern Lisp_Object re_match_object;
(The [[[ comments delimit what gets put into the Texinfo file, so
don't delete them!) */
/* [[[begin syntaxes]]] */
#define RE_SYNTAX_EMACS (RE_CHAR_CLASSES | RE_INTERVALS)
#define RE_SYNTAX_EMACS (RE_CHAR_CLASSES | RE_INTERVALS | RE_SHY_GROUPS)
#define RE_SYNTAX_AWK \
(RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DOT_NOT_NULL \
......@@ -331,8 +334,7 @@ struct re_pattern_buffer
/* Zero if this pattern cannot match the empty string, one else.
Well, in truth it's used only in `re_search_2', to see
whether or not we should use the fastmap, so we don't set
this absolutely perfectly; see `re_compile_fastmap' (the
`duplicate' case). */
this absolutely perfectly; see `re_compile_fastmap'. */
unsigned can_be_null : 1;
/* If REGS_UNALLOCATED, allocate space in the `regs' structure
......
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