| line | !l | l&&!r | l&&r | condition | 
 
| 90 | 200 | 0 | 416 | not $stop and $str =~ s[^((?:[^\r\n]*(?:${re_newline}[ \t])?)*)($re_newline)?][my $line = $1;
my $sep = defined $2 ? $2 : '';
$stop = 1 unless length $line or length $sep;
'???' while not $STRICT_DECODE and $line =~ s/$re_capture_encoded_word_split\s*=\?\1\2\?\3\?($re_encoded_text)\?=/=?$1$2?$3?$4$5?=/os;
'???' while not $stop and $line =~ s[^(.*?)$re_match_decode][my $begin = $1 . $2;
my $words = $3;
$begin =~ tr/\n\r//d;
$output .= $begin;
'???' while not $stop and $words =~ s[^(.*?)($re_capture_decode)][$output .= $1;
my $orig = $2;
my $charset = $3;
my($mime_enc, $text) = split(/\?/, $5, 3);
$text =~ tr/\n\r//d;
my $enc = &Encode::find_mime_encoding($charset);
unless (defined $enc or $STRICT_DECODE) {
	$charset = 'UTF-8' if lc $charset eq 'utf8';
$enc = &Encode::find_encoding($charset);
};
if (not defined $enc) {
	Carp::croak(qq[Unknown charset "$charset"]) if not ref $chk and $chk & 1;
Carp::carp(qq[Unknown charset "$charset"]) if not ref $chk and $chk & 2;
$stop = 1 if not ref $chk and $chk & 4;
$output .= ($output =~ /(?:\A|[ \t])$/ ? '' : ' ') . $orig unless $stop;
$stop ? $orig : '';
}
else {
	if (uc $mime_enc eq 'B' and $obj->{'decode_b'}) {
	my $decoded = _decode_b($enc, $text, $chk);
$stop = 1 if not defined $decoded || ref $chk and $chk & 4;
$output .= defined $decoded ? $decoded : $text unless $stop;
$stop ? $orig : '';
}
elsif (uc $mime_enc eq 'Q' and $obj->{'decode_q'}) {
	my $decoded = _decode_q($enc, $text, $chk);
$stop = 1 if not defined $decoded || ref $chk and $chk & 4;
$output .= defined $decoded ? $decoded : $text unless $stop;
$stop ? $orig : '';
}
else {
	Carp::croak(qq[MIME "$mime_enc" unsupported]) if not ref $chk and $chk & 1;
Carp::carp(qq[MIME "$mime_enc" unsupported]) if not ref $chk and $chk & 2;
$stop = 1 if not ref $chk and $chk & 4;
$output .= ($output =~ /(?:\A|[ \t])$/ ? '' : ' ') . $orig unless $stop;
$stop ? $orig : '';
};
};]es;
unless ($stop) {
	$output .= $words;
$words = '';
};
$words;]es;
unless ($stop) {
	$line =~ tr/\n\r//d;
$output .= $line . $sep;
$line = '';
$sep = '';
};
$line . $sep;]es | 
 
| 100 | 182 | 234 | 10052 | not $STRICT_DECODE and $line =~ s/$re_capture_encoded_word_split\s*=\?\1\2\?\3\?($re_encoded_text)\?=/=?$1$2?$3?$4$5?=/os | 
 
| 103 | 200 | 216 | 197 | not $stop and $line =~ s[^(.*?)$re_match_decode][my $begin = $1 . $2;
my $words = $3;
$begin =~ tr/\n\r//d;
$output .= $begin;
'???' while not $stop and $words =~ s[^(.*?)($re_capture_decode)][$output .= $1;
my $orig = $2;
my $charset = $3;
my($mime_enc, $text) = split(/\?/, $5, 3);
$text =~ tr/\n\r//d;
my $enc = &Encode::find_mime_encoding($charset);
unless (defined $enc or $STRICT_DECODE) {
	$charset = 'UTF-8' if lc $charset eq 'utf8';
$enc = &Encode::find_encoding($charset);
};
if (not defined $enc) {
	Carp::croak(qq[Unknown charset "$charset"]) if not ref $chk and $chk & 1;
Carp::carp(qq[Unknown charset "$charset"]) if not ref $chk and $chk & 2;
$stop = 1 if not ref $chk and $chk & 4;
$output .= ($output =~ /(?:\A|[ \t])$/ ? '' : ' ') . $orig unless $stop;
$stop ? $orig : '';
}
else {
	if (uc $mime_enc eq 'B' and $obj->{'decode_b'}) {
	my $decoded = _decode_b($enc, $text, $chk);
$stop = 1 if not defined $decoded || ref $chk and $chk & 4;
$output .= defined $decoded ? $decoded : $text unless $stop;
$stop ? $orig : '';
}
elsif (uc $mime_enc eq 'Q' and $obj->{'decode_q'}) {
	my $decoded = _decode_q($enc, $text, $chk);
$stop = 1 if not defined $decoded || ref $chk and $chk & 4;
$output .= defined $decoded ? $decoded : $text unless $stop;
$stop ? $orig : '';
}
else {
	Carp::croak(qq[MIME "$mime_enc" unsupported]) if not ref $chk and $chk & 1;
Carp::carp(qq[MIME "$mime_enc" unsupported]) if not ref $chk and $chk & 2;
$stop = 1 if not ref $chk and $chk & 4;
$output .= ($output =~ /(?:\A|[ \t])$/ ? '' : ' ') . $orig unless $stop;
$stop ? $orig : '';
};
};]es;
unless ($stop) {
	$output .= $words;
$words = '';
};
$words;]es | 
 
| 112 | 4 | 193 | 50224 | not $stop and $words =~ s[^(.*?)($re_capture_decode)][$output .= $1;
my $orig = $2;
my $charset = $3;
my($mime_enc, $text) = split(/\?/, $5, 3);
$text =~ tr/\n\r//d;
my $enc = &Encode::find_mime_encoding($charset);
unless (defined $enc or $STRICT_DECODE) {
	$charset = 'UTF-8' if lc $charset eq 'utf8';
$enc = &Encode::find_encoding($charset);
};
if (not defined $enc) {
	Carp::croak(qq[Unknown charset "$charset"]) if not ref $chk and $chk & 1;
Carp::carp(qq[Unknown charset "$charset"]) if not ref $chk and $chk & 2;
$stop = 1 if not ref $chk and $chk & 4;
$output .= ($output =~ /(?:\A|[ \t])$/ ? '' : ' ') . $orig unless $stop;
$stop ? $orig : '';
}
else {
	if (uc $mime_enc eq 'B' and $obj->{'decode_b'}) {
	my $decoded = _decode_b($enc, $text, $chk);
$stop = 1 if not defined $decoded || ref $chk and $chk & 4;
$output .= defined $decoded ? $decoded : $text unless $stop;
$stop ? $orig : '';
}
elsif (uc $mime_enc eq 'Q' and $obj->{'decode_q'}) {
	my $decoded = _decode_q($enc, $text, $chk);
$stop = 1 if not defined $decoded || ref $chk and $chk & 4;
$output .= defined $decoded ? $decoded : $text unless $stop;
$stop ? $orig : '';
}
else {
	Carp::croak(qq[MIME "$mime_enc" unsupported]) if not ref $chk and $chk & 1;
Carp::carp(qq[MIME "$mime_enc" unsupported]) if not ref $chk and $chk & 2;
$stop = 1 if not ref $chk and $chk & 4;
$output .= ($output =~ /(?:\A|[ \t])$/ ? '' : ' ') . $orig unless $stop;
$stop ? $orig : '';
};
};]es | 
 
| 131 | 1 | 12 | 0 | not ref $chk and $chk & 1 | 
 
| 132 | 1 | 12 | 0 | not ref $chk and $chk & 2 | 
 
| 133 | 1 | 10 | 2 | not ref $chk and $chk & 4 | 
 
| 137 | 50165 | 0 | 46 | uc $mime_enc eq 'B' and $obj->{'decode_b'} | 
 
|  | 0 | 50165 | 0 | uc $mime_enc eq 'Q' and $obj->{'decode_q'} | 
 
| 139 | 46 | 0 | 0 | not defined $decoded || ref $chk and $chk & 4 | 
 
| 144 | 50163 | 0 | 2 | not defined $decoded || ref $chk and $chk & 4 | 
 
| 148 | 0 | 0 | 0 | not ref $chk and $chk & 1 | 
 
| 149 | 0 | 0 | 0 | not ref $chk and $chk & 2 | 
 
| 150 | 0 | 0 | 0 | not ref $chk and $chk & 4 | 
 
| 178 | 3 | 190 | 7 | not ref $chk and $chk | 
 
|  | 193 | 4 | 3 | not ref $chk and $chk and not $chk & 8 | 
 
| 201 | 4 | 50197 | 10 | not ref $chk and $chk | 
 
| 203 | 4 | 50197 | 10 | not ref $chk and $chk | 
 
|  | 50201 | 8 | 2 | not ref $chk and $chk and $octets ne '' | 
 
| 211 | 2 | 51 | 4 | not ref $chk and $chk | 
 
|  | 53 | 2 | 2 | not ref $chk and $chk and not $chk & 8 | 
 
| 241 | 2 | 51 | 4 | !ref($chk) && $chk | 
 
| 257 | 2 | 51 | 4 | not ref $chk and $chk | 
 
|  | 53 | 2 | 2 | not ref $chk and $chk and not $chk & 8 |