use strict;
use warnings;
use base qw/Exporter/;
-our @EXPORT_OK = qw/mid_clean id_compress mid2path mid_mime/;
+our @EXPORT_OK = qw/mid_clean id_compress mid2path mid_mime mid_escape MID_ESC/;
+use URI::Escape qw(uri_escape_utf8);
use Digest::SHA qw/sha1_hex/;
use constant MID_MAX => 40; # SHA-1 hex length
sub mid_mime ($) { $_[0]->header_obj->header_raw('Message-ID') }
+# RFC3986, section 3.3:
+sub MID_ESC () { '^A-Za-z0-9\-\._~!\$\&\';\(\)\*\+,;=:@' }
+sub mid_escape ($) { uri_escape_utf8($_[0], MID_ESC) }
+
1;