loncom/xml/londefdef.pm - diff

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Diff for /loncom/xml/londefdef.pm between versions 1.178 and 1.189

version 1.178, 2003/10/01 21:13:50	version 1.189, 2003/10/24 21:48:17
Line 50 use Apache::File();	Line 50 use Apache::File();
use Image::Magick;	use Image::Magick;
use Apache::lonmenu();	use Apache::lonmenu();
use Apache::lonmeta();	use Apache::lonmeta();
	use Apache::Constants qw(:common);

$Apache::londefdef::TD_redirection=0;

BEGIN {	BEGIN {

Line 59 BEGIN {	Line 59 BEGIN {

}	}

	sub initialize_londefdef {
	$Apache::londefdef::TD_redirection=0;
	@Apache::londefdef::table = ();
	$Apache::londefdef::select=0;
	@Apache::londefdef::description=();
	$Apache::londefdef::DD_redirection=0;
	$Apache::londefdef::DT_redirection=0;
	}

#======================= TAG SUBROUTINES =====================	#======================= TAG SUBROUTINES =====================
#-- <output>	#-- <output>
sub start_output {	sub start_output {
Line 140 sub end_tthoption {	Line 149 sub end_tthoption {
return $result;	return $result;
}	}

#-- <html> tag	#-- <html> tag (end tag optional)
sub start_html {	sub start_html {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 159 sub start_html {	Line 168 sub start_html {
&tth::tthoptions('-L -u0');	&tth::tthoptions('-L -u0');
}	}
}	}
if ($target eq 'web') {	if ($target eq 'web' \|\| $target eq 'edit') {
$currentstring = &Apache::lonxml::xmlbegin().	$currentstring = &Apache::lonxml::xmlbegin().
&Apache::lonxml::fontsettings();	&Apache::lonxml::fontsettings();
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
Line 188 sub end_html {	Line 197 sub end_html {
return $currentstring;	return $currentstring;
}	}

#-- <head> tag	#-- <head> tag (end tag optional)
sub start_head {	sub start_head {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 201 sub start_head {	Line 210 sub start_head {
sub end_head {	sub end_head {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web' && $ENV{'request.state'} eq 'published') {
$currentstring = &Apache::lonmenu::registerurl(undef,$target).	$currentstring = &Apache::lonmenu::registerurl(undef,$target).
$token->[2];	$token->[2];
}	}
return $currentstring;	return $currentstring;
}	}

#-- <map> tag	#-- <map> tag (end tag required)
sub start_map {	sub start_map {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 227 sub end_map {	Line 236 sub end_map {
return $currentstring;	return $currentstring;
}	}

#-- <select> tag	#-- <select> tag (end tag required)
sub start_select {	sub start_select {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring = $token->[4];	$currentstring = $token->[4];
}	} elsif ($target eq 'tex') {
	$Apache::londefdef::select=0;
	}
return $currentstring;	return $currentstring;
}	}

Line 246 sub end_select {	Line 257 sub end_select {
return $currentstring;	return $currentstring;
}	}

#-- <option> tag	#-- <option> tag (end tag optional)
sub start_option {	sub start_option {
my ($target,$token) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring = $token->[4];	$currentstring = $token->[4];
}	} elsif ($target eq 'tex') {
	$Apache::londefdef::select++;
	if ($Apache::londefdef::select == 1) {
	$currentstring='\noindent\fbox{'.&Apache::lonxml::get_param('value',$parstack,$safeeval).'}\keephidden{';
	} else {
	$currentstring='\keephidden{';
	}
	}
return $currentstring;	return $currentstring;
}	}

Line 261 sub end_option {	Line 279 sub end_option {
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring = $token->[2];	$currentstring = $token->[2];
}	} elsif ($target eq 'tex') {
	$currentstring='}';
	}
return $currentstring;	return $currentstring;
}	}

#-- <input> tag	#-- <input> tag (end tag forbidden)
sub start_input {	sub start_input {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 284 sub end_input {	Line 304 sub end_input {
return $currentstring;	return $currentstring;
}	}

#-- <textarea> tag	#-- <textarea> tag (end tag required)
sub start_textarea {	sub start_textarea {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 303 sub end_textarea {	Line 323 sub end_textarea {
return $currentstring;	return $currentstring;
}	}

#-- <form> tag	#-- <form> tag (end tag required)
sub start_form {	sub start_form {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 322 sub end_form {	Line 342 sub end_form {
return $currentstring;	return $currentstring;
}	}

#-- <title> tag	#-- <title> tag (end tag required)
sub start_title {	sub start_title {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 333 sub start_title {	Line 353 sub start_title {
}	}
if ($target eq 'meta') {	if ($target eq 'meta') {
$currentstring='<title>';	$currentstring='<title>';
&start_output();	&start_output($target);
}	}
return $currentstring;	return $currentstring;
}	}
Line 347 sub end_title {	Line 367 sub end_title {
$currentstring .= '}';	$currentstring .= '}';
}	}
if ($target eq 'meta') {	if ($target eq 'meta') {
&end_output();	&end_output($target);
$currentstring='</title>';	$currentstring='</title>';
}	}
return $currentstring;	return $currentstring;
}	}

#-- <meta> tag	#-- <meta> tag (end tag forbidden)
sub start_meta {	sub start_meta {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 467 sub end_accessrule {	Line 487 sub end_accessrule {
return $currentstring;	return $currentstring;
}	}

#-- <body> tag	#-- <body> tag (end tag required)
sub start_body {	sub start_body {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 476 sub start_body {	Line 496 sub start_body {
&Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");	&Apache::lonxml::warning("<body> tag found inside of <problem> tag this can cause problems.");
return '';	return '';
}	}
if (!$Apache::lonxml::registered) {	if (!$Apache::lonxml::registered &&
	$ENV{'request.state'} eq 'published') {
$currentstring.='<head>'.	$currentstring.='<head>'.
&Apache::lonmenu::registerurl(undef,$target).'</head>';	&Apache::lonmenu::registerurl(undef,$target).'</head>';
}	}
Line 552 sub end_body {	Line 573 sub end_body {
return $currentstring;	return $currentstring;
}	}

#-- <center> tag	#-- <center> tag (end tag required)
sub start_center {	sub start_center {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 575 sub end_center {	Line 596 sub end_center {
return $currentstring;	return $currentstring;
}	}

#-- <b> tag	#-- <b> tag (end tag required)
sub start_b {	sub start_b {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 598 sub end_b {	Line 619 sub end_b {
return $currentstring;	return $currentstring;
}	}

#-- <strong> tag	#-- <strong> tag (end tag required)
sub start_strong {	sub start_strong {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 613 sub start_strong {	Line 634 sub start_strong {
sub end_strong {	sub end_strong {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {

$currentstring = $token->[2];	$currentstring = $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring = '}';	$currentstring = '}';
Line 622 sub end_strong {	Line 642 sub end_strong {
return $currentstring;	return $currentstring;
}	}

#-- <h1> tag	#-- <h1> tag (end tag required)
sub start_h1 {	sub start_h1 {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 643 sub start_h1 {	Line 663 sub start_h1 {
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';	$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
} elsif ($target eq 'meta') {	} elsif ($target eq 'meta') {
$currentstring='<subject>';	$currentstring='<subject>';
&start_output();	&start_output($target);
}	}
return $currentstring;	return $currentstring;
}	}
Line 665 sub end_h1 {	Line 685 sub end_h1 {
}	}
$currentstring .= '}}'.$post;	$currentstring .= '}}'.$post;
} elsif ($target eq 'meta') {	} elsif ($target eq 'meta') {
&end_output();	&end_output($target);
$currentstring='</subject>';	$currentstring='</subject>';
}	}
return $currentstring;	return $currentstring;
Line 886 sub end_h6 {	Line 906 sub end_h6 {
return $currentstring;	return $currentstring;
}	}

#--- <cite> tag	#--- <cite> tag (end tag required)
sub start_cite {	sub start_cite {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[4];	$currentstring .= $token->[4];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "\\textit{";	$currentstring .= '\textit{';
}	}
return $currentstring;	return $currentstring;
}	}
Line 904 sub end_cite {	Line 924 sub end_cite {
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[2];	$currentstring .= $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "}";	$currentstring .= '}';
}	}
return $currentstring;	return $currentstring;
}	}

#-- <i> tag	#-- <i> tag (end tag required)
sub start_i {	sub start_i {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 932 sub end_i {	Line 952 sub end_i {
return $currentstring;	return $currentstring;
}	}

#-- <address> tag	#-- <address> tag (end tag required)
sub start_address {	sub start_address {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[4];	$currentstring .= $token->[4];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "\\textit{";	$currentstring .= '\textit{';
}	}
return $currentstring;	return $currentstring;
}	}
Line 950 sub end_address {	Line 970 sub end_address {
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[2];	$currentstring .= $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "}";	$currentstring .= '}';
}	}
return $currentstring;	return $currentstring;
}	}

#-- <dfn> tag	#-- <dfn> tag (end tag required)
sub start_dfn {	sub start_dfn {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[4];	$currentstring .= $token->[4];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "\\textit{";	$currentstring .= '\textit{';
}	}
return $currentstring;	return $currentstring;
}	}
Line 973 sub end_dfn {	Line 993 sub end_dfn {
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[2];	$currentstring .= $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "}";	$currentstring .= '}';
}	}
return $currentstring;	return $currentstring;
}	}

#-- <tt> tag	#-- <tt> tag (end tag required)
sub start_tt {	sub start_tt {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1001 sub end_tt {	Line 1021 sub end_tt {
return $currentstring;	return $currentstring;
}	}

#-- <kbd> tag	#-- <kbd> tag (end tag required)
sub start_kbd {	sub start_kbd {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[4];	$currentstring .= $token->[4];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "\\texttt";	$currentstring .= '\texttt{';
}	}
return $currentstring;	return $currentstring;
}	}
Line 1019 sub end_kbd {	Line 1039 sub end_kbd {
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[2];	$currentstring .= $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "}";	$currentstring .= '}';
}	}
return $currentstring;	return $currentstring;
}	}

#-- <code> tag	#-- <code> tag (end tag required)
sub start_code {	sub start_code {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1047 sub end_code {	Line 1067 sub end_code {
return $currentstring;	return $currentstring;
}	}

#-- <em> tag	#-- <em> tag (end tag required)
sub start_em {	sub start_em {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1070 sub end_em {	Line 1090 sub end_em {
return $currentstring;	return $currentstring;
}	}

#-- <q> tag	#-- <q> tag (end tag required)
sub start_q {	sub start_q {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[4];	$currentstring .= $token->[4];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "\\emph{";	$currentstring .= '\emph{';
}	}
return $currentstring;	return $currentstring;
}	}
Line 1088 sub end_q {	Line 1108 sub end_q {
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[2];	$currentstring .= $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "}";	$currentstring .= '}';
}	}
return $currentstring;	return $currentstring;
}	}

#-- <p> tag	#-- <p> tag (end tag optional)
sub start_p {	sub start_p {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1116 sub end_p {	Line 1136 sub end_p {
return $currentstring;	return $currentstring;
}	}

#-- <br> tag	#-- <br> tag (end tag forbidden)
sub start_br {	sub start_br {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';	my $currentstring = '';
Line 1139 sub end_br {	Line 1159 sub end_br {
return $currentstring;	return $currentstring;
}	}

#-- <big> tag	#-- <big> tag (end tag required)
sub start_big {	sub start_big {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1162 sub end_big {	Line 1182 sub end_big {
return $currentstring;	return $currentstring;
}	}

#-- <small> tag	#-- <small> tag (end tag required)
sub start_small {	sub start_small {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1185 sub end_small {	Line 1205 sub end_small {
return $currentstring;	return $currentstring;
}	}

#-- <basefont> tag	#-- <basefont> tag (end tag forbidden)
sub start_basefont {	sub start_basefont {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';	my $currentstring = '';
Line 1214 sub end_basefont {	Line 1234 sub end_basefont {
return $currentstring;	return $currentstring;
}	}

#-- <font> tag	#-- <font> tag (end tag required)
sub start_font {	sub start_font {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
my $currentstring = '';	my $currentstring = '';
Line 1252 sub end_font {	Line 1272 sub end_font {
return $currentstring;	return $currentstring;
}	}

#-- <strike> tag	#-- <strike> tag (end tag required)
sub start_strike {	sub start_strike {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1278 sub end_strike {	Line 1298 sub end_strike {
return $currentstring;	return $currentstring;
}	}

#-- <s> tag	#-- <s> tag (end tag required)
sub start_s {	sub start_s {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1304 sub end_s {	Line 1324 sub end_s {
return $currentstring;	return $currentstring;
}	}

#-- <sub> tag	#-- <sub> tag (end tag required)
sub start_sub {	sub start_sub {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[4];	$currentstring .= $token->[4];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "\$_{ ";	$currentstring .= "\$_{";
}	}
return $currentstring;	return $currentstring;
}	}
Line 1322 sub end_sub {	Line 1342 sub end_sub {
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[2];	$currentstring .= $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= " }\$";	$currentstring .= "}\$";
}	}
return $currentstring;	return $currentstring;
}	}

#-- <sup> tag	#-- <sup> tag (end tag required)
sub start_sup {	sub start_sup {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[4];	$currentstring .= $token->[4];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= "\$^{ ";	$currentstring .= "\$^{";
}	}
return $currentstring;	return $currentstring;
}	}
Line 1345 sub end_sup {	Line 1365 sub end_sup {
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring .= $token->[2];	$currentstring .= $token->[2];
} elsif ($target eq 'tex') {	} elsif ($target eq 'tex') {
$currentstring .= " }\$";	$currentstring .= "}\$";
}	}
return $currentstring;	return $currentstring;
}	}

#-- <hr> tag	#-- <hr> tag (end tag forbidden)
sub start_hr {	sub start_hr {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1390 sub end_hr {	Line 1410 sub end_hr {
return $currentstring;	return $currentstring;
}	}

#-- <div> tag	#-- <div> tag (end tag required)
sub start_div {	sub start_div {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1409 sub end_div {	Line 1429 sub end_div {
return $currentstring;	return $currentstring;
}	}

#-- <a> tag	#-- <a> tag (end tag required)
sub start_a {	sub start_a {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1439 sub end_a {	Line 1459 sub end_a {
return $currentstring;	return $currentstring;
}	}

#-- <li> tag	#-- <li> tag (end tag optional)
sub start_li {	sub start_li {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1469 sub end_li {	Line 1489 sub end_li {
return $currentstring;	return $currentstring;
}	}

#-- <u> tag	#-- <u> tag (end tag required)
sub start_u {	sub start_u {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1495 sub end_u {	Line 1515 sub end_u {
return $currentstring;	return $currentstring;
}	}

#-- <ul> tag	#-- <ul> tag (end tag required)
sub start_ul {	sub start_ul {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1538 sub end_ul {	Line 1558 sub end_ul {
return $currentstring;	return $currentstring;
}	}

#-- <menu> tag	#-- <menu> tag (end tag required)
sub start_menu {	sub start_menu {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1561 sub end_menu {	Line 1581 sub end_menu {
return $currentstring;	return $currentstring;
}	}

#-- <dir> tag	#-- <dir> tag (end tag required)
sub start_dir {	sub start_dir {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1584 sub end_dir {	Line 1604 sub end_dir {
return $currentstring;	return $currentstring;
}	}

#-- <ol> tag	#-- <ol> tag (end tag required)
sub start_ol {	sub start_ol {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1637 sub end_ol {	Line 1657 sub end_ol {
return $currentstring;	return $currentstring;
}	}

#-- <dl> tag	#-- <dl> tag (end tag required)
sub start_dl {	sub start_dl {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1715 sub item_cleanup {	Line 1735 sub item_cleanup {
return $item;	return $item;
}	}

#-- <dd> tag	#-- <dd> tag (end tag optional)
sub start_dd {	sub start_dd {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 1745 sub end_dd {	Line 1765 sub end_dd {
return $currentstring;	return $currentstring;
}	}

#-- <table> tag	#-- <table> tag (end tag required)
sub start_table {	sub start_table {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $textwidth='';	my $textwidth='';
Line 1983 sub end_td_tex {	Line 2003 sub end_td_tex {
$newdata=~s/\\vskip \d\.?\d\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;	$newdata=~s/\\vskip \d\.?\d\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);	my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
foreach my $elementdata (@newdata) {	foreach my $elementdata (@newdata) {
$elementdata=~s/^\s+(\S.*)/$1/;	my $lengthnewdata=1.8*LATEX_length($elementdata);
$elementdata=~s/(.*\S)\s+$/$1/;
$elementdata=~s/(\s)+/$1/;
my $lengthnewdata=1.8*length($elementdata);
if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}	if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
}	}
} else {	} else {
$current_length=1.8*length($data);	$current_length=1.8*LATEX_length($data);
}	}
$Apache::londefdef::table[-1]{'length'} .= $current_length.',';	$Apache::londefdef::table[-1]{'length'} .= $current_length.',';
$Apache::londefdef::table[-1]{'TeXlength'} .= '0,';	$Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
Line 2071 sub end_th {	Line 2088 sub end_th {
}	}
return $currentstring;	return $currentstring;
}	}
#-- <img> tag	#-- <img> tag (end tag forbidden)
sub start_img {	sub start_img {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,	my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
undef,1);	undef,1);
	if (not $src and ($target eq 'web' or $target eq 'tex')) {
	my $inside = &Apache::lonxml::get_all_text("/img",$parser);
	&Apache::lonnet::logthis("inside was $inside");
	return '';
	}
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;	$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
my $currentstring = '';	my $currentstring = '';
my $width_param = '';	my $width_param = '';
Line 2151 sub start_img {	Line 2173 sub start_img {
my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";	my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
$temp_file = Apache::File->new('>>'.$filename);	$temp_file = Apache::File->new('>>'.$filename);
print $temp_file "$src\n";	print $temp_file "$src\n";
$currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';	$newsrc=~s/\/home\/httpd\/html\/res//;
	$newsrc=~s/\/([^\/]+)\.(ps\|eps)/\//;
	$currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
}	}
}	}
} else {	} else {
Line 2168 sub start_img {	Line 2192 sub start_img {
#<allow> tag will care about replication	#<allow> tag will care about replication
}	}
}	}
	} elsif ($target eq 'edit') {
	$currentstring .=&Apache::edit::tag_start($target,$token);
	$currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
	&Apache::edit::browse('src',undef,'alt').' '.
	&Apache::edit::search('src',undef,'alt').'<br />';
	$currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
	$currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
	$currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
	$currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
	$currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
	$currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
	my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval);
	my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval);
	my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
	my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval);
	$currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
	if ($width) { $currentstring.=' width="'.$width.'" '; }
	if ($height) { $currentstring.=' height="'.$height.'" '; }
	$currentstring .= ' />';
	} elsif ($target eq 'modified') {
	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
	$safeeval,'src','alt',
	'TeXwidth','TeXheight',
	'width','height');
	$src=$token->[2]{'src'};
	if (!$token->[2]{'width'} && !$token->[2]{'height'}) {
	$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
	&image_replication($src);
	if (-e $src) {
	my $image = Image::Magick->new;
	my ($width, $height, $size, $format) = $image->Ping($src);
	if ($width && $height) {
	$token->[2]{'width'} =$width;
	$token->[2]{'height'}=$height;
	$constructtag=1;
	}
	}
	}
	if ($constructtag) {$currentstring=&Apache::edit::rebuild_tag($token);}
}	}
return $currentstring;	return $currentstring;
}	}
Line 2183 sub end_img {	Line 2246 sub end_img {
return $currentstring;	return $currentstring;
}	}

#-- <applet> tag	#-- <applet> tag (end tag required)
sub start_applet {	sub start_applet {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;

Line 2232 sub end_applet {	Line 2295 sub end_applet {
return $currentstring;	return $currentstring;
}	}

#-- <embed> tag	#-- <embed> tag (end tag optional/required)
sub start_embed {	sub start_embed {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);	my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
Line 2264 sub end_embed {	Line 2327 sub end_embed {
return $currentstring;	return $currentstring;
}	}

#-- <param> tag	#-- <param> tag (end tag forbidden)
sub start_param {	sub start_param {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
if (&Apache::lonxml::get_param	if (&Apache::lonxml::get_param
Line 2319 sub end_allow {	Line 2382 sub end_allow {
return '';	return '';
}	}

#-- Frames	#-- Frames (end tag required)
	#-- <frameset>
sub start_frameset {	sub start_frameset {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
if (!$Apache::lonxml::registered) {	if (!$Apache::lonxml::registered &&
	$ENV{'request.state'} eq 'published') {
$currentstring.='<head>'.	$currentstring.='<head>'.
&Apache::lonmenu::registerurl(undef,$target).'</head>';	&Apache::lonmenu::registerurl(undef,$target).'</head>';
}	}
Line 2364 sub end_frameset {	Line 2429 sub end_frameset {
return $currentstring;	return $currentstring;
}	}

#-- <xmp>	#-- <xmp> (end tag required)
sub start_xmp {	sub start_xmp {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2387 sub end_xmp {	Line 2452 sub end_xmp {
return $currentstring;	return $currentstring;
}	}

#-- <pre>	#-- <pre> (end tag required)
sub start_pre {	sub start_pre {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;	my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2470 sub end_blankspace {	Line 2535 sub end_blankspace {
return $currentstring;	return $currentstring;
}	}

#-- <abbr> tag	#-- <abbr> tag (end tag required)
sub start_abbr {	sub start_abbr {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2489 sub end_abbr {	Line 2554 sub end_abbr {
return $currentstring;	return $currentstring;
}	}

#-- <acronym> tag	#-- <acronym> tag (end tag required)
sub start_acronym {	sub start_acronym {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2508 sub end_acronym {	Line 2573 sub end_acronym {
return $currentstring;	return $currentstring;
}	}

#-- <area> tag	#-- <area> tag (end tag forbidden)
sub start_area {	sub start_area {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2527 sub end_area {	Line 2592 sub end_area {
return $currentstring;	return $currentstring;
}	}

#-- <base> tag	#-- <base> tag (end tag forbidden)
sub start_base {	sub start_base {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2546 sub end_base {	Line 2611 sub end_base {
return $currentstring;	return $currentstring;
}	}

#-- <bdo> tag	#-- <bdo> tag (end tag required)
sub start_bdo {	sub start_bdo {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2565 sub end_bdo {	Line 2630 sub end_bdo {
return $currentstring;	return $currentstring;
}	}

#-- <bgsound> tag	#-- <bgsound> tag (end tag optional)
sub start_bgsound {	sub start_bgsound {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2584 sub end_bgsound {	Line 2649 sub end_bgsound {
return $currentstring;	return $currentstring;
}	}

#-- <blink> tag	#-- <blink> tag (end tag required)
sub start_blink {	sub start_blink {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2603 sub end_blink {	Line 2668 sub end_blink {
return $currentstring;	return $currentstring;
}	}

#-- <blockquote> tag	#-- <blockquote> tag (end tag required)
sub start_blockquote {	sub start_blockquote {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2622 sub end_blockquote {	Line 2687 sub end_blockquote {
return $currentstring;	return $currentstring;
}	}

#-- <button> tag	#-- <button> tag (end tag required)
sub start_button {	sub start_button {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2641 sub end_button {	Line 2706 sub end_button {
return $currentstring;	return $currentstring;
}	}

#-- <caption> tag	#-- <caption> tag (end tag required)
sub start_caption {	sub start_caption {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2660 sub end_caption {	Line 2725 sub end_caption {
return $currentstring;	return $currentstring;
}	}

#-- <col> tag	#-- <col> tag (end tag forbdden)
sub start_col {	sub start_col {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2679 sub end_col {	Line 2744 sub end_col {
return $currentstring;	return $currentstring;
}	}

#-- <colgroup> tag	#-- <colgroup> tag (end tag optional)
sub start_colgroup {	sub start_colgroup {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2698 sub end_colgroup {	Line 2763 sub end_colgroup {
return $currentstring;	return $currentstring;
}	}

#-- <del> tag	#-- <del> tag (end tag required)
sub start_del {	sub start_del {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2717 sub end_del {	Line 2782 sub end_del {
return $currentstring;	return $currentstring;
}	}

#-- <fieldset> tag	#-- <fieldset> tag (end tag required)
sub start_fieldset {	sub start_fieldset {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2736 sub end_fieldset {	Line 2801 sub end_fieldset {
return $currentstring;	return $currentstring;
}	}

#-- <frame> tag	#-- <frame> tag (end tag forbidden)
sub start_frame {	sub start_frame {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2755 sub end_frame {	Line 2820 sub end_frame {
return $currentstring;	return $currentstring;
}	}

#-- <iframe> tag	#-- <iframe> tag (end tag required)
sub start_iframe {	sub start_iframe {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2774 sub end_iframe {	Line 2839 sub end_iframe {
return $currentstring;	return $currentstring;
}	}

#-- <ins> tag	#-- <ins> tag (end tag required)
sub start_ins {	sub start_ins {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2793 sub end_ins {	Line 2858 sub end_ins {
return $currentstring;	return $currentstring;
}	}

#-- <isindex> tag	#-- <isindex> tag (end tag forbidden)
sub start_isindex {	sub start_isindex {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2812 sub end_isindex {	Line 2877 sub end_isindex {
return $currentstring;	return $currentstring;
}	}

#-- <keygen> tag	#-- <keygen> tag (end tag forbidden)
sub start_keygen {	sub start_keygen {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2850 sub end_label {	Line 2915 sub end_label {
return $currentstring;	return $currentstring;
}	}

#-- <layer> tag	#-- <layer> tag (end tag required)
sub start_layer {	sub start_layer {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2869 sub end_layer {	Line 2934 sub end_layer {
return $currentstring;	return $currentstring;
}	}

#-- <legend> tag	#-- <legend> tag (end tag required)
sub start_legend {	sub start_legend {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2888 sub end_legend {	Line 2953 sub end_legend {
return $currentstring;	return $currentstring;
}	}

#-- <link> tag	#-- <link> tag (end tag forbidden)
sub start_link {	sub start_link {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2907 sub end_link {	Line 2972 sub end_link {
return $currentstring;	return $currentstring;
}	}

#-- <marquee> tag	#-- <marquee> tag (end tag optional)
sub start_marquee {	sub start_marquee {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2926 sub end_marquee {	Line 2991 sub end_marquee {
return $currentstring;	return $currentstring;
}	}

#-- <malticol> tag	#-- <multicol> tag (end tag required)
sub start_malticol {	sub start_multicol {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
Line 2936 sub start_malticol {	Line 3001 sub start_malticol {
return $currentstring;	return $currentstring;
}	}

sub end_malticol {	sub end_multicol {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
Line 2945 sub end_malticol {	Line 3010 sub end_malticol {
return $currentstring;	return $currentstring;
}	}

#-- <nobr> tag	#-- <nobr> tag (end tag required)
sub start_nobr {	sub start_nobr {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring = $token->[4];	$currentstring = $token->[4];
}	} elsif ($target eq 'tex') {
	$currentstring='\mbox{';
	}
return $currentstring;	return $currentstring;
}	}

Line 2960 sub end_nobr {	Line 3027 sub end_nobr {
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring = $token->[2];	$currentstring = $token->[2];
}	} elsif ($target eq 'tex') {
	$currentstring='}';
	}
return $currentstring;	return $currentstring;
}	}

#-- <noembed> tag	#-- <noembed> tag (end tag required)
sub start_noembed {	sub start_noembed {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 2983 sub end_noembed {	Line 3052 sub end_noembed {
return $currentstring;	return $currentstring;
}	}

#-- <noframes> tag	#-- <noframes> tag (end tag required)
sub start_noframes {	sub start_noframes {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3002 sub end_noframes {	Line 3071 sub end_noframes {
return $currentstring;	return $currentstring;
}	}

#-- <nolayer> tag	#-- <nolayer> tag (end tag required)
sub start_nolayer {	sub start_nolayer {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3021 sub end_nolayer {	Line 3090 sub end_nolayer {
return $currentstring;	return $currentstring;
}	}

#-- <noscript> tag	#-- <noscript> tag (end tag required)
sub start_noscript {	sub start_noscript {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3040 sub end_noscript {	Line 3109 sub end_noscript {
return $currentstring;	return $currentstring;
}	}

#-- <object> tag	#-- <object> tag (end tag required)
sub start_object {	sub start_object {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3059 sub end_object {	Line 3128 sub end_object {
return $currentstring;	return $currentstring;
}	}

#-- <optgroup> tag	#-- <optgroup> tag (end tag required)
sub start_optgroup {	sub start_optgroup {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3078 sub end_optgroup {	Line 3147 sub end_optgroup {
return $currentstring;	return $currentstring;
}	}

#-- <samp> tag	#-- <samp> tag (end tag required)
sub start_samp {	sub start_samp {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring = $token->[4];	$currentstring = $token->[4];
}	} elsif ($target eq 'tex') {
	$currentstring='\texttt{';
	}
return $currentstring;	return $currentstring;
}	}

Line 3093 sub end_samp {	Line 3164 sub end_samp {
my $currentstring = '';	my $currentstring = '';
if ($target eq 'web') {	if ($target eq 'web') {
$currentstring = $token->[2];	$currentstring = $token->[2];
}	} elsif ($target eq 'tex') {
	$currentstring='}';
	}
return $currentstring;	return $currentstring;
}	}

Line 3116 sub end_server {	Line 3189 sub end_server {
return $currentstring;	return $currentstring;
}	}

#-- <spacer> tag	#-- <spacer> tag (end tag forbidden)
sub start_spacer {	sub start_spacer {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3135 sub end_spacer {	Line 3208 sub end_spacer {
return $currentstring;	return $currentstring;
}	}

#-- <span> tag	#-- <span> tag (end tag required)
sub start_span {	sub start_span {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3154 sub end_span {	Line 3227 sub end_span {
return $currentstring;	return $currentstring;
}	}

#-- <tbody> tag	#-- <tbody> tag (end tag optional)
sub start_tbody {	sub start_tbody {
my ($target,$token) = @_;	my ($target,$token) = @_;
my $currentstring = '';	my $currentstring = '';
Line 3274 sub end_hideweboutput {	Line 3347 sub end_hideweboutput {

sub image_replication {	sub image_replication {
my $src = shift;	my $src = shift;
if (not -e $src) {	if (not -e $src) { &Apache::lonnet::repcopy($src); }
#replicates image itself	#replicates eps or ps
&Apache::lonnet::repcopy($src);	my $epssrc = my $pssrc = $src;
#replicates eps or ps	$epssrc =~ s/\.(gif\|jpg\|jpeg\|png)$/.eps/i;
my $newsrc = $src;	$pssrc =~ s/\.(gif\|jpg\|jpeg\|png)$/.ps/i;
$newsrc =~ s/\.(gif\|jpg\|jpeg\|png)$/.eps/i;	if (not -e $epssrc && not -e $pssrc) {
if (not -e $newsrc) {	my $result=&Apache::lonnet::repcopy($epssrc);
if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {	if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); }
$newsrc =~ s/\.eps$/\.ps/;
&Apache::lonnet::repcopy($newsrc);
}
}
}	}
return '';	return '';
}	}
Line 3308 sub recalc {	Line 3377 sub recalc {
return $value.' mm';	return $value.' mm';
}	}

	sub LATEX_length {
	my $garbage=shift;
	$garbage=~s/^\s+(\S.*)/$1/;
	$garbage=~s/(.*\S)\s+$/$1/;
	$garbage=~s/(\s)+/$1/;
	$garbage=~s/(\\begin{([^\}]+)}\|\\end{([^\}]+)})//g;
	$garbage=~s/(\$\_\{\|\$\_\|\$\^{\|\$\^\|\}\$\|\$)//g;
	$garbage=~s/(\\alpha\|\\beta\|\\gamma\|\\delta\|\\epsilon\|\\verepsilon\|\\zeta\|\\eta\|\\theta\|\\vartheta\|\\iota\|\\kappa\|\\lambda\|\\mu\|\\nu\|\\xi\|\\pi\|\\varpi\|\\rho\|\\varrho\|\\sigma\|\\varsigma\|\\tau\|\\upsilon\|\\phi\|\\varphi\|\\chi\|\\psi\|\\omega\|\\Gamma\|\\Delta\|\\Theta\|\\Lambda\|\\Xi\|\\Pi\|\\Sigma\|\\Upsilon\|\\Phi\|\\Psi\|\\Omega)/1/g;
	$garbage=~s/(\\pm\|\\mp\|\\times\|\\div\|\\cdot\|\\ast\|\\star\|\\dagger\|\\ddagger\|\\amalg\|\\cap\|\\cup\|\\uplus\|\\sqcap\|\\sqcup\|\\vee\|\\wedge\|\\oplus\|\\ominus\|\\otimes\|\\circ\|\\bullet\|\\diamond\|\\lhd\|\\rhd\|\\unlhd\|\\unrhd\|\\oslash\|\\odot\|\\bigcirc\|\\Box\|\\Diamond\|\\bigtriangleup\|\\bigtriangledown\|\\triangleleft\|\\triangleright\|\\setminus\|\\wr)/1/g;
	$garbage=~s/(\\le\|\\ll\|\\leq\|\\ge\|\\geq\|\\gg\|\\neq\|\\doreq\|\\sim\|\\simeq\|\\subset\|\\subseteq\|\\sqsubset\|\\sqsubseteq\|\\in\|\\vdash\|\\models\|\\supset\|\\supseteq\|\\sqsupset\|\\sqsupseteq\|\\ni\|\\dash\|\\perp\|\\approx\|\\cong\|\\equiv\|\\propto\|\\prec\|\\preceq\|\\parallel\|\\asymp\|\\smile\|\\frown\|\\bowtie\|\\succ\|\\succeq\|\\mid)/1/g;
	$garbage=~s/(\\not<\|\\\\not\\le\|\\not\\prec\|\\not\\preceq\|\\not\\subset\|\\not\\subseteq\|\\not\\sqsubseteq\|\\not\\in\|\\not>\|\\not\\ge\|\\not\\succ\|\\notsucceq\|\\not\\supset\|\\notsupseteq\|\\not\\sqsupseteq\|\\notin\|\\not=\|\\not\\equiv\|\\not\\sim\|\\not\\simeq\|\\not\\approx\|\\not\\cong\|\\not\\asymp)/1/g;
	$garbage=~s/(\\leftarrow\|\\gets\|\\Leftarrow\|\\rightarrow\|\\to\|\\Rightarrow\|\\leftrightarrow\|\\Leftrightarrow\|\\mapsto\|\\hookleftarrow\|\\leftharpoonup\|\\leftkarpoondown\|\\rightleftharpoons\|\\longleftarrow\|\\Longleftarrow\|\\longrightarrow\|\\Longrightarrow\|\\longleftrightarrow\|\\Longleftrightarrow\|\\longmapsto\|\\hookrightarrow\|\\rightharpoonup\|\\rightharpoondown\|\\uparrow\|\\Uparrow\|\\downarrow\|\\Downarrow\|\\updownarrow\|\\Updownarrow\|\\nearrow\|\\searrow\|\\swarrow\|\\nwarrow)/1/g;
	$garbage=~s/(\\aleph\|\\hbar\|\\imath\|\\jmath\|\\ell\|\\wp\|\\Re\|\\Im\|\\mho\|\\prime\|\\emptyset\|\\nabla\|\\surd\|\\partial\|\\top\|\\bot\|\\vdash\|\\dashv\|\\forall\|\\exists\|\\neg\|\\flat\|\\natural\|\\sharp\|\\\\|\|\\angle\|\\backslash\|\\Box\|\\Diamond\|\\triangle\|\\clubsuit\|\\diamondsuit\|\\heartsuit\|\\spadesuit\|\\Join\|\\infty)/ /g;
	$garbage=~s/(\\hat{([^}]+)}\|\\check{([^}]+)}\|\\dot{([^}]+)}\|\\breve{([^}]+)}\|\\acute{([^}]+)}\|\\ddot{([^}]+)}\|\\grave{([^}]+)}\|\\tilde{([^}]+)}\|\\mathring{([^}]+)}\|\\bar{([^}]+)}\|\\vec{([^}]+)})/$1/g;
	my $value=length($garbage);
	return $value;
	}




1;	1;
__END__	__END__

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