sub crlf { $_[0]->{crlf} // "\n" }
+# warnings to ignore when handling spam mailboxes and maybe other places
+sub warn_ignore {
+ my $s = "@_";
+ # Email::Address::XS warnings
+ $s =~ /^Argument contains empty address at /
+ || $s =~ /^Element at index [0-9]+ contains /
+ # PublicInbox::MsgTime
+ || $s =~ /^bogus TZ offset: .+?, ignoring and assuming \+0000/
+ || $s =~ /^bad Date: .+? in /
+ # Encode::Unicode::UTF7
+ || $s =~ /^Bad UTF7 data escape at /
+}
+
+# this expects to be RHS in this assignment: "local $SIG{__WARN__} = ..."
+sub warn_ignore_cb {
+ my $cb = $SIG{__WARN__} // \&CORE::warn;
+ sub { $cb->(@_) unless warn_ignore(@_) }
+}
+
sub willneed { re_memo($_) for @_ }
willneed(qw(From To Cc Date Subject Content-Type In-Reply-To References