* lib/dfa.c (lex): Pay no attention to RE_LIMITED_OPS when deciding how to parse '\n', since regcomp.c doesn’t. --- ChangeLog | 4 ++++ lib/dfa.c | 3 +-- 2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/ChangeLog b/ChangeLog index 0c5e799521..088e3b3134 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2022-05-23 Paul Eggert <[email protected]> + dfa: '\n' is not governed by RE_LIMITED_OPS + * lib/dfa.c (lex): Pay no attention to RE_LIMITED_OPS when + deciding how to parse '\n', since regcomp.c doesn’t. + dfa: new option DFA_STRAY_BACKSLASH_WARN This is for grep, which wants to warn about stray backslashes that lead to unspecified behavior. For example, "grep -oi '\a'" diff --git a/lib/dfa.c b/lib/dfa.c index 4833a20d72..5d92b38b4c 100644 --- a/lib/dfa.c +++ b/lib/dfa.c @@ -1401,8 +1401,7 @@ lex (struct dfa *dfa) return dfa->lex.lasttok = OR; case '\n': - if (dfa->syntax.syntax_bits & RE_LIMITED_OPS - || !(dfa->syntax.syntax_bits & RE_NEWLINE_ALT)) + if (!(dfa->syntax.syntax_bits & RE_NEWLINE_ALT)) goto default_case; if (backslash) goto normal_char; -- 2.36.1
