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Diff for /loncom/homework/randomlabel.pm between versions 1.3 and 1.67

version 1.3, 2001/08/30 19:39:12 version 1.67, 2005/04/07 06:56:22
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 # The LearningOnline Network with CAPA  # The LearningOnline Network with CAPA
 # random labelling tool  # random labelling tool
 # 7/20/2001 Isaac Tsai, initial syntax  #
 # 8/10/2001 Isaac Tsai,   # $Id$
 # 8/30/2001 Isaac Tsai,   #
   # Copyright Michigan State University Board of Trustees
   #
   # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   #
   # LON-CAPA is free software; you can redistribute it and/or modify
   # it under the terms of the GNU General Public License as published by
   # the Free Software Foundation; either version 2 of the License, or
   # (at your option) any later version.
   #
   # LON-CAPA is distributed in the hope that it will be useful,
   # but WITHOUT ANY WARRANTY; without even the implied warranty of
   # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   # GNU General Public License for more details.
   #
   # You should have received a copy of the GNU General Public License
   # along with LON-CAPA; if not, write to the Free Software
   # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   #
   # /home/httpd/html/adm/gpl.txt
   #
   # http://www.lon-capa.org/
   #
 # SYNTAX:  # SYNTAX:
 # <randomlabel bgimg=URL code=JAVACLASS codebase=URL width=12 height=45>  # <randomlabel bgimg="URL" width="12" height="45" texwidth="50">
 #    <labelgroup name=GroupOne type=image>  #    <labelgroup name="GroupOne" type="image">
 #      <location x=123 y=456 />  #      <location x="123" y="456" />
 #      <location x=321 y=654 />  #      <location x="321" y="654" />
 #      <location x=213 y=546 />  #      <location x="213" y="546" />
 #      <label>IMG-URL</label>  #      <label description="TEXT-1">IMG-URL</label>
 #      <label>IMG-URL</label>  #      <label description="TEXT-2">IMG-URL</label>
 #      <label>IMG-URL</label>  #      <label description="TEXT-3">IMG-URL</label>
 #    </labelgroup>  #    </labelgroup>
 #    <labelgroup name=GroupTwo type=text>  #    <labelgroup name="GroupTwo" type="text">
 #      <location x=12 y=45 />  #      <location x="12" y="45" />
 #      <location x=32 y=65 />  #      <location x="32" y="65" />
 #      <location x=21 y=54 />  #      <location x="21" y="54" />
 #      <label>TEXT-1</label>  #      <label>TEXT-1</label>
 #      <label>TEXT-2</label>  #      <label>TEXT-2</label>
 #      <label>TEXT-3</label>  #      <label>TEXT-3</label>
Line 32 Line 54
 #             (21,54)  : $GroupTwo[2] = "TEXT-2"  #             (21,54)  : $GroupTwo[2] = "TEXT-2"
 #  ===========================================  #  ===========================================
 package Apache::randomlabel;  package Apache::randomlabel;
   use Apache::lonnet;
 use strict;  use strict;
   use Apache::edit;
   use Apache::File();
   use Apache::Constants qw(:common :http);
   
 sub BEGIN {  my %args;
   &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label'));  my $cgi_id;
   
   BEGIN {
       &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label','bgimg'));
   }
   
   sub check_int {
       # utility function to do error checking on a integer.
       my ($num,$default) = @_;
       $default = 100 if (! defined($default));
       $num =~ s/\s+//g;  # We dont need no stinkin white space!
       # If it is a real, just grab the integer part.
       ($num,undef) = split (/\./,$num) if ($num =~ /\./); 
       # set to default if what we have left doesn't match anything...
       $num = $default unless ($num =~/^\d+$/);
       return $num;
 }  }
   
   my ($height_param,$width_param);
 sub start_randomlabel {  sub start_randomlabel {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';      my $result='';
   my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);      push (@Apache::lonxml::namespace,'randomlabel');
   my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval);      ($height_param,$width_param)=(0,0);
   my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval);      my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
   my $w= &Apache::lonxml::get_param('width',$parstack,$safeeval);      if ( defined($bgimg) && $bgimg !~ /^http:/ ) {
   my $h= &Apache::lonxml::get_param('height',$parstack,$safeeval);   $bgimg=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$bgimg);
      if (&Apache::lonnet::repcopy($bgimg) ne 'ok') {
   $Apache::randomlabel::tlabel_cnt=0;      $bgimg='/home/httpd/html/adm/lonKaputt/lonlogo_broken.gif';
   $Apache::randomlabel::ilabel_cnt=0;   }
   if ($target eq 'web') {      }
     $result.="<applet code=$code codebase=$codebase width=\"$w\" height=\"$h\">";      $Apache::randomlabel::obj_cnt=0;
     $result.="<param name=\"bgimg\" value=\"$bgimg\">";      if ($target eq 'web') {
   } elsif ($target eq 'edit') {   $cgi_id=&Apache::loncommon::get_cgi_id();
   } elsif ($target eq 'modified') {   %args=();
   } else {   $args{"cgi.$cgi_id.BGIMG"}=&Apache::lonnet::escape($bgimg);
   }      } elsif ($target eq 'tex' && defined($bgimg)) {
   return $result;   $result.=&make_eps_image($bgimg,$parstack,$safeeval);
       } elsif ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token);
    $Apache::edit::bgimgsrc=
       &Apache::lonxml::get_param('bgimg',$parstack,$safeeval);
    $Apache::edit::bgimgsrccurdepth=$Apache::lonxml::curdepth;
    $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' ';
    $result.=&Apache::edit::browse('bgimg').' ';
    $result.=&Apache::edit::search('bgimg').'<br />'.
       &Apache::edit::text_arg('Width(pixel):' ,'width'   ,$token,6).
       &Apache::edit::text_arg('Height(pixel):','height'  ,$token,6).
       &Apache::edit::text_arg('TeXWidth(mm):' ,'texwidth',$token,6).
       &Apache::edit::end_row().&Apache::edit::start_spanning_row();     
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        $safeeval,'bgimg','width',
        'height','texwidth');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
       $result.=&Apache::edit::handle_insert();
    }
       }
       return $result;
 }  }
   
 sub end_randomlabel {  sub end_randomlabel {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';      my $result='';
   my $count;      my $count;
       pop @Apache::lonxml::namespace;
   $count = $Apache::randomlabel::tlabel_cnt;      if ($target eq 'web') {
   if( $count != 0) {   $count = $Apache::randomlabel::obj_cnt;
     $result.= "<param name=\"count\" value=\"$count\">";   if( $count != 0) { $args{"cgi.$cgi_id.OBJCOUNT"}=$count; }
   }   $result.='<img src="/adm/randomlabel.png?token='.$cgi_id.'" /><br />'."\n";
   $count = $Apache::randomlabel::ilabel_cnt;   &Apache::lonnet::appenv(%args);
   if( $count != 0) {      } elsif ($target eq 'tex') {
     $result.= "<param name=\"icount\" value=\"$count\">";   $result='\end{picture}\\\\';
   }   $result.= ' \vskip -'.$height_param.' mm }  \\\\ ';
   if ($target eq 'web') {      } elsif ($target eq 'edit') {
     $result .= "</applet><BR />";   $result.=&Apache::edit::end_table;
   }      }
   return $result;      return $result;
   }
   
   sub start_bgimg {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result='';
       if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
    &Apache::lonxml::startredirection(); 
       }
       return $result;
   }
   
   sub end_bgimg {
       my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
       my $result='';
       if ($target eq 'web' || $target eq 'tex' || $target eq 'analyze') { 
    my $bgimg=&Apache::lonxml::endredirection(); 
    if ($target eq 'web') {
       $bgimg=&Apache::imageresponse::clean_up_image($bgimg);
       $args{"cgi.$cgi_id.BGIMG"}=&Apache::lonnet::escape($bgimg);
    } elsif ($target eq 'tex') {
       $result.=&make_eps_image($bgimg,$parstack,$safeeval,-2);
    }
       }
       return $result;
   }
   
   sub make_eps_image {
       my ($bgimg,$parstack,$safeeval,$depth)=@_;
       my ($path,$file) = &Apache::londefdef::get_eps_image($bgimg);
       ($height_param,$width_param)=
    &Apache::londefdef::image_size($bgimg,0.3,$parstack,$safeeval,
          $depth,1);
       my $dirtywidth=$width_param+5;
       my $result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.
    ' mm}{  \noindent \epsfxsize='.$width_param.
    ' mm \epsffile{'.$path.$file.
    '}\setlength{\unitlength}{1mm}  \begin{picture}('.
    $width_param.','.$height_param.')(0,-'.$height_param.')';
       return $result;
 }  }
   
 sub start_labelgroup {  sub start_labelgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';      my $result='';
   my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);      my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
   my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);      my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval);
   $type =~tr/A-Z/a-z/;      $type =~tr/A-Z/a-z/;
   $Apache::randomlabel::groupname=$name;      if ($target ne 'modified' && ($name =~ /\W/ || $name =~ /^[0-9]/)) {
   $Apache::randomlabel::type=$type;   &Apache::lonxml::error("Only _ a-z A-Z and 0-9 are allowed in the name to a labelgroup, and the first character can not be a number.<br />");
   @Apache::randomlabel::xcoord = ();      }
   @Apache::randomlabel::ycoord = ();      if ($target eq 'web' || $target eq 'tex' ||
   @Apache::randomlabel::label_arr  = ();   $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') {
   return $result;   $Apache::randomlabel::groupname=$name;
    $Apache::randomlabel::type=$type;
    @Apache::randomlabel::xcoord = ();
    @Apache::randomlabel::ycoord = ();
    @Apache::randomlabel::value = ();
    @Apache::randomlabel::label_arr  = ();
    @Apache::randomlabel::decription  = ();
       } elsif ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('Name:','name',$token).
       &Apache::edit::select_arg('Type:','type',['text','image'],$token);
    if (!defined($token->[2]{'TeXsize'})) {
       $token->[2]{'TeXsize'}='\normalsize';
    }
    $result.=&Apache::edit::select_arg('TeX font size:','TeXsize',
      ['\tiny','\scriptsize',
       '\footnotesize','\small',
       '\normalsize','\large','\Large',
       '\LARGE','\huge','\Huge'],
      $token);
    $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        $safeeval,'name','type',
        'TeXsize');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
       $result.=&Apache::edit::handle_insert();
    }
       }
       return $result;
   }
   
   sub add_vars {
       my ($name,$order,$label,$labelorder,$value,$image,$safeeval) = @_;
       if (!defined($name) || $name eq '') { return; }
       my $code = '${'.$name."}{'".($order+1)."'}='".$label."';";
       my $out=Apache::run::run($code,$safeeval);
       if ($value) {
    $code = '${'.$name."}{'value_".($order+1)."'}='".$value."';";
    $out=Apache::run::run($code,$safeeval);
    $code = '${'.$name."}{'labelvalue_".($labelorder+1)."'}='".$value."';";
    $out=Apache::run::run($code,$safeeval);
       }
       if ($image) {
    my $code = '${'.$name."}{'image_".($order+1)."'}='".$image."';";
    my $out=Apache::run::run($code,$safeeval);
       }
       $code = '${'.$name."}{'numlocations'}='".($order+1)."';";
       $out=Apache::run::run($code,$safeeval);
 }  }
   
 # begin to assign labels to locations  # begin to assign labels to locations
 sub end_labelgroup {  sub end_labelgroup {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $gname = $Apache::randomlabel::groupname;      my $gname = $Apache::randomlabel::groupname;
   my $count;      my $type  = $Apache::randomlabel::type;
   my $type  = $Apache::randomlabel::type;      my $result='';
   my $code;      if ($target eq 'web' || $target eq 'answer' || $target eq 'grade' ||
   my $out;   $target eq 'analyze') {
   my $label;   my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
   my $x;   &Apache::structuretags::shuffle(\@idx_arr);
   my $y;   for(0 .. $#Apache::randomlabel::label_arr) {
   my $text='';      my $str;
   my $str;      my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]";
   my $xstr;      my $x = $Apache::randomlabel::xcoord[$_];
   my $ystr;      my $y = $Apache::randomlabel::ycoord[$_];
       my $value = $Apache::randomlabel::value[$_];
   my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);      my $i=$Apache::randomlabel::obj_cnt++;
   &Apache::structuretags::shuffle(\@idx_arr);      if( $type eq 'text') {
   for(0 .. $#Apache::randomlabel::label_arr) {   &add_vars($gname,$_,$label,$idx_arr[$_],$value,'',$safeeval);
     $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]";   $str = join(':',$x,$y,&Apache::lonnet::escape($label));
     if( $type eq 'text') {   $args{"cgi.$cgi_id.OBJTYPE"}.='LABEL:';
       $code = "push(\@$gname, $label);" ;      } elsif ( $type eq 'image') {
       $str = 'LB'.$Apache::randomlabel::tlabel_cnt;   &add_vars($gname,$_,
       $xstr = 'X'.$Apache::randomlabel::tlabel_cnt;    $Apache::randomlabel::description[$idx_arr[$_]],
       $ystr = 'Y'.$Apache::randomlabel::tlabel_cnt;    $idx_arr[$_],$value,$label,$safeeval);
       $Apache::randomlabel::tlabel_cnt += 1;   $str = join(':',$x,$y,&Apache::lonnet::escape($label));
     } elsif ( $type eq 'image') {   $args{"cgi.$cgi_id.OBJTYPE"}.='IMAGE:';
       $code = "push(\@$gname, $idx_arr[$_]);" ;      } else {
       $str = 'LB'.$Apache::randomlabel::ilabel_cnt;   &Apache::lonxml::error('Unknown type of label :'.$type.':');
       $xstr = 'X'.$Apache::randomlabel::ilabel_cnt;      }
       $ystr = 'Y'.$Apache::randomlabel::ilabel_cnt;      if ($target eq 'web') { $args{"cgi.$cgi_id.OBJ$i"} =$str; }
       $Apache::randomlabel::ilabel_cnt += 1;   }
     } else {      } elsif ($target eq 'tex') {
     }   my $WX1=0; #  Web x-coord. of upper left corner (ULC)
     # $x = pop @Apache::randomlabel::xcoord;   my $WY1=0; #  Web y-coord. of (ULC)
     # $y = pop @Apache::randomlabel::ycoord;   my $wwidth=&Apache::lonxml::get_param('width',$parstack,$safeeval,-2);
     $x = $Apache::randomlabel::xcoord[$_];   my $wheight=&Apache::lonxml::get_param('height',$parstack,$safeeval,-2);
     $y = $Apache::randomlabel::ycoord[$_];   my $TeXsize=&Apache::lonxml::get_param('TeXsize',$parstack,$safeeval);
     $text .= "<param name=\"" . $str  . "\" value=\"$label\">";   if (!defined($TeXsize)) { $TeXsize='\\normalsize'; }
     $text .= "<param name=\"" . $xstr . "\" value=\"$x\"> ";  
     $text .= "<param name=\"" . $ystr . "\" value=\"$y\">";   my @idx_arr = (0 .. $#Apache::randomlabel::label_arr);
     $out=Apache::run::run($code,$safeeval);   &Apache::structuretags::shuffle(\@idx_arr);
   }  
   return $text;   &Apache::lonxml::debug("Array is:".$#Apache::randomlabel::label_arr.":");
    for(my $i=0;$i <= $#Apache::randomlabel::label_arr; $i++) {
       my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$i] ]";
       my $x = $Apache::randomlabel::xcoord[$i];
       # FIXME the 3.5 here is the 'height' of the letter in TeX
       my $y = $Apache::randomlabel::ycoord[$i]-3.5;
       my $value = $Apache::randomlabel::value[$i];
       #x latex coordinate
       my $tcX=($x)*($width_param/$wwidth);
       #y latex coordinate
               #      my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 );
       my $tcY=$height_param-$y*($height_param/$wheight);
       $tcX=sprintf('%.2f',$tcX);
       $tcY=sprintf('%.2f',$tcY);
       $result.='\put('.$tcX.','.$tcY.'){'.$TeXsize.' \bf '.$label.'}'."\n";
       if( $type eq 'text') {
    &add_vars($gname,$i,$label,$idx_arr[$i],$value,'',$safeeval);
       } elsif ( $type eq 'image') {
    &add_vars($gname,$i,
     $Apache::randomlabel::description[$idx_arr[$i]],
     $idx_arr[$i],$value,$label,$safeeval);
       } else {
    &Apache::lonxml::error('Unknown type of label :'.$type.':');
       }
    }
       } elsif ($target eq 'edit') {
    $result.=&Apache::edit::end_table;
       }
       return $result;
 }  }
   
 # <location x=123 y=456 />  # <location x="123" y="456" value="some value"/>
 sub start_location {  sub start_location {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $x= &Apache::lonxml::get_param('x',$parstack,$safeeval);      my $x= &check_int(&Apache::lonxml::get_param('x',$parstack,$safeeval),50);
   my $y= &Apache::lonxml::get_param('y',$parstack,$safeeval);      my $y= &check_int(&Apache::lonxml::get_param('y',$parstack,$safeeval),50);
   my $result='';      my $value= &Apache::lonxml::get_param('value',$parstack,$safeeval);
         my $result='';
   push(@Apache::randomlabel::xcoord,$x);      push(@Apache::randomlabel::xcoord,$x);
   push(@Apache::randomlabel::ycoord,$y);       push(@Apache::randomlabel::ycoord,$y);
   return $result;      push(@Apache::randomlabel::value,$value);
       if ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token);
    $result.=&Apache::edit::text_arg('X:','x',$token,4).
       &Apache::edit::text_arg('Y:','y',$token,4).
       &Apache::edit::entercoords('x','y','attribute','width','height').'&nbsp;&nbsp;&nbsp;'.
       &Apache::edit::text_arg('Value:','value',$token).
       &Apache::edit::end_row();
    $result.=&Apache::edit::end_table;
       } elsif ($target eq 'modified') {
    my $constructtag=&Apache::edit::get_new_args($token,$parstack,
       $safeeval,'x','y','value');
    if ($constructtag) {
       $result = &Apache::edit::rebuild_tag($token);
       $result.=&Apache::edit::handle_insert();
    }
       }
       return $result;
 }  }
   
 sub end_location {  sub end_location {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';      my @result;
   return $result;      if ($target eq 'edit') { @result=('','no') }
       return @result;
 }  }
   
 # <label>$var_abc</label>  # <label>$var_abc</label>
 sub start_label {  sub start_label {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[$#$parser]);      my $result='';
   my $result='';      my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
       if ($target eq 'web' || $target eq 'tex' ||
   push(@Apache::randomlabel::label_arr,$ltext);   $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') {
   return $result;   &Apache::lonxml::startredirection; 
       } elsif ($target eq 'edit') {
    $result.=&Apache::edit::tag_start($target,$token,"$type Label");
    my $text=&Apache::lonxml::get_all_text("/label",$parser);
    if ($type eq 'image') {
       $result.=&Apache::edit::end_row().
    &Apache::edit::start_spanning_row();
       $result.=&Apache::edit::text_arg('Description:','description',
        $token);
    }
    if ($type eq 'text') { $result.="Label Text:"; }
    if ($type eq 'image') { $result.="Path to image:&nbsp;"; }
    $result.=&Apache::edit::editline('',$text,'',50).
       &Apache::edit::end_table();
       } elsif ($target eq 'modified') {
    $result = '<label>';
    if ($type eq 'image') {
       my $constructtag=&Apache::edit::get_new_args($token,$parstack,
    $safeeval,
    'description');
       if ($constructtag) {
    $result = &Apache::edit::rebuild_tag($token);
       } else {
    $result = $token->[4];
       }
    }
    $result.=&Apache::edit::modifiedfield("/label",$parser);
       }
       return $result;
 }  }
   
 sub end_label {  sub end_label {
   my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;      my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
   my $result='';      my @result;
       if ($target eq 'edit') {
   return $result;   @result=('','no') ;
       } elsif ($target eq 'web' || $target eq 'tex' || $target eq 'grade' ||
        $target eq 'answer' || $target eq 'analyze') {
    my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2);
    my $ltext=&Apache::lonxml::endredirection; 
    if ($type eq 'image') {
       &Apache::lonxml::debug("Turning $ltext, $Apache::lonxml::pwd[-1]");
       $ltext=&Apache::imageresponse::clean_up_image($ltext);
   #    $ltext=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],
   # $ltext);
       &Apache::lonxml::debug("into $ltext");
       my $description = &Apache::lonxml::get_param('description',
    $parstack,$safeeval);
       push(@Apache::randomlabel::description,$description);
    } else {
       $ltext=~s/[\r\n]*//gs
    }
    push(@Apache::randomlabel::label_arr,$ltext);
       }
       return @result;
 }  }
   
   
   
 1;  1;
 __END__  __END__
     
Removed from v.1.3  
changed lines
  Added in v.1.67

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