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Diff for /loncom/interface/lonsearchcat.pm between versions 1.77 and 1.93

version 1.77, 2001/03/26 21:24:12 version 1.93, 2001/04/02 21:18:35
Line 3 Line 3
 #  #
 # 03/08/2001 Scott Harrison  # 03/08/2001 Scott Harrison
 # Scott Harrison: 03/12/2001, 03/13/2001, 03/14/2001, 03/15/2001, 03/19/2001  # Scott Harrison: 03/12/2001, 03/13/2001, 03/14/2001, 03/15/2001, 03/19/2001
 # Scott Harrison: 03/20/2001  # Scott Harrison: 03/20/2001, 03/21/2001, 03/22/2001, 03/26/2001, 03/27/2001
   # Scott Harrison: 04/02/2001
 #  #
 # Functions  # Functions
 #  #
Line 36 Line 37
 # recursive_SQL_query_build(field name, reverse notation expression) :   # recursive_SQL_query_build(field name, reverse notation expression) : 
 #                 builds a SQL query string from a reverse notation expression  #                 builds a SQL query string from a reverse notation expression
 #                 logical expression with AND/OR keywords  #                 logical expression with AND/OR keywords
   # build_custommetadata_query(field_name, logic_statement) : builds a perl
   #                regular expression from a logical expression with AND/OR
   #                keywords
   # detailed_citation_view, summary_view, fielded_format_view, xml_sgml_view:
   #   four different ways to view metadata records.  Outputs a HTML-ified string.
   #   Input arguments are title, author, subject, url, keywords, version, notes,
   #   short abstract, mime, language, creation date, last revision date, owner,
   #   copyright, hostname, httphost, and extra custom metadata to show.
   # build_date_queries(cmonth1, cday1, cyear1, cmonth2, cday2, cyear2,
   #                    lmonth1, lday1, lyear1, lmonth2, lday2, lyear2) :
   #         Builds a SQL logic query to check time/date entries.
   # output_date_error(server reference, error message) : outputs
   #         an error message specific to bad date format.
   # make_persistent() : makes a set of hidden HTML fields to make
   #                     SQL search interface information to be persistent
   
 package Apache::lonsearchcat;  package Apache::lonsearchcat;
   
Line 46  use Apache::File(); Line 62  use Apache::File();
 use CGI qw(:standard);  use CGI qw(:standard);
 use Text::Query;  use Text::Query;
   
   # ---------------------------------------- variables used throughout the module
 my %language;  my %language;
 my $scrout;  my $scrout;
 my %metadatafields;  my %metadatafields;
 my %cprtag;  my %cprtag;
 my %mimetag;  my %mimetag;
 my $closebutton;  my $closebutton;
   
   # ------ form selection elements that allow for choosing different output views
   # Detailed Citation View ---> sub detailed_citationview
   # Summary View ---> sub summary_view
   # Fielded Format ---> sub fielded_format_view
   # XML/SGML ---> sub xml_sgml_view
 my $basicviewselect=<<END;  my $basicviewselect=<<END;
 <select name='basicviewselect'>  <select name='basicviewselect'>
 <option value='Detailed Citation View'>Detailed Citation View</option>  <option value='Detailed Citation View'>Detailed Citation View</option>
Line 69  my $advancedviewselect=<<END; Line 92  my $advancedviewselect=<<END;
 </select>  </select>
 END  END
   
   # ----------------------------- Handling routine called via Apache and mod_perl
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
   
Line 89  sub handler { Line 113  sub handler {
     %metadatafields=();      %metadatafields=();
   
     my $hidden='';      my $hidden='';
     $hidden=<<END if $ENV{'form.catalogmode'} eq 'interactive';      if ($ENV{'form.catalogmode'} eq 'interactive') {
    $hidden=<<END;
 <input type='hidden' name='catalogmode' value='interactive'>  <input type='hidden' name='catalogmode' value='interactive'>
 END  END
           $closebutton=<<END;
     $closebutton=<<END if $ENV{'form.catalogmode'} eq 'interactive';  
 <input type="button" name="close" value='CLOSE' onClick="self.close()">  <input type="button" name="close" value='CLOSE' onClick="self.close()">
 END  END
       }
   
 # ------------------------------------------------ First, check out environment  # ------------------------------------------------ First, check out environment
     $metadatafields{'owner'}=$ENV{'user.name'}.'@'.$ENV{'user.domain'};      $metadatafields{'owner'}=$ENV{'user.name'}.'@'.$ENV{'user.domain'};
Line 132  END Line 157  END
  } <$fh>;   } <$fh>;
     }      }
   
   # ----------------------------------- See if a search invocation should be done
     if ($ENV{'form.basicsubmit'} eq 'SEARCH') {      if ($ENV{'form.basicsubmit'} eq 'SEARCH') {
  return &basicsearch($r,\%ENV);   return &basicsearch($r,\%ENV);
     }      }
Line 139  END Line 165  END
  return &advancedsearch($r,\%ENV);   return &advancedsearch($r,\%ENV);
     }      }
   
   # ----------------------------- Else, begin building search interface to output
     $scrout=''; # building a part of screen output      $scrout=''; # building a part of screen output
     $scrout.=&searchphrasefield('Limit by title','title',      $scrout.=&searchphrasefield('Limit by title','title',
  $ENV{'form.title'});   $ENV{'form.title'});
Line 501  sub advancedsearch { Line 528  sub advancedsearch {
    'custommetadata','customshow') {     'custommetadata','customshow') {
  $ENV{"form.$field"}=~s/[^\w\s\(\)\=\-\"\']//g;   $ENV{"form.$field"}=~s/[^\w\s\(\)\=\-\"\']//g;
     }      }
   
       # Check to see if enough information was filled in
     for my $field ('title','author','subject','keywords','url','version',      for my $field ('title','author','subject','keywords','url','version',
    'notes','abstract','mime','language','owner',     'notes','abstract','mime','language','owner',
    'custommetadata') {     'custommetadata') {
Line 508  sub advancedsearch { Line 537  sub advancedsearch {
     $fillflag++;      $fillflag++;
  }   }
     }      }
   
     unless ($fillflag) {      unless ($fillflag) {
  &output_blank_field_error($r);   &output_blank_field_error($r);
  return OK;   return OK;
     }      }
   
   
       # Turn the form input into a SQL-based query
     my $query='';      my $query='';
   
     my @queries;      my @queries;
     # Go through logical expression AND/OR/NOT phrase fields.      # Evaluate logical expression AND/OR/NOT phrase fields.
   
     foreach my $field ('title','author','subject','notes','abstract','url',      foreach my $field ('title','author','subject','notes','abstract','url',
        'keywords','version','owner') {         'keywords','version','owner') {
  if ($ENV{'form.'.$field}) {   if ($ENV{'form.'.$field}) {
     push @queries,&build_SQL_query($field,$ENV{'form.'.$field});      push @queries,&build_SQL_query($field,$ENV{'form.'.$field});
  }   }
     }      }
       # Evaluate option lists
     if ($ENV{'form.language'} and $ENV{'form.language'} ne 'any') {      if ($ENV{'form.language'} and $ENV{'form.language'} ne 'any') {
  push @queries,"(language like \"\%$ENV{'form.language'}\%\")";   push @queries,"(language like \"$ENV{'form.language'}\")";
     }      }
     if ($ENV{'form.mime'} and $ENV{'form.mime'} ne 'any') {      if ($ENV{'form.mime'} and $ENV{'form.mime'} ne 'any') {
  push @queries,"(mime like \"\%$ENV{'form.mime'}\%\")";   push @queries,"(mime like \"$ENV{'form.mime'}\")";
     }      }
     if ($ENV{'form.copyright'} and $ENV{'form.copyright'} ne 'any') {      if ($ENV{'form.copyright'} and $ENV{'form.copyright'} ne 'any') {
  push @queries,"(copyright like \"\%$ENV{'form.copyright'}\%\")";   push @queries,"(copyright like \"$ENV{'form.copyright'}\")";
     }      }
       # Evaluate date windows
     my $datequery=&build_date_queries(      my $datequery=&build_date_queries(
  $ENV{'form.creationdatestart_month'},   $ENV{'form.creationdatestart_month'},
  $ENV{'form.creationdatestart_day'},   $ENV{'form.creationdatestart_day'},
Line 548  sub advancedsearch { Line 579  sub advancedsearch {
  $ENV{'form.lastrevisiondateend_day'},   $ENV{'form.lastrevisiondateend_day'},
  $ENV{'form.lastrevisiondateend_year'},   $ENV{'form.lastrevisiondateend_year'},
  );   );
       # Test to see if date windows are legitimate
     if ($datequery=~/^Incorrect/) {      if ($datequery=~/^Incorrect/) {
  &output_date_error($r,$datequery);   &output_date_error($r,$datequery);
  return OK;   return OK;
Line 555  sub advancedsearch { Line 587  sub advancedsearch {
     elsif ($datequery) {      elsif ($datequery) {
  push @queries,$datequery;   push @queries,$datequery;
     }      }
   
       # Process form information for custom metadata querying
     my $customquery='';      my $customquery='';
     if ($ENV{'form.custommetadata'}) {      if ($ENV{'form.custommetadata'}) {
  $customquery=&build_custommetadata_query('custommetadata',   $customquery=&build_custommetadata_query('custommetadata',
       $ENV{'form.custommetadata'});        $ENV{'form.custommetadata'});
     }      }
       my $customshow='';
       if ($ENV{'form.customshow'}) {
    $customshow=$ENV{'form.customshow'};
    $customshow=~s/[^\w\s]//g;
    my @fields=split(/\s+/,$customshow);
    $customshow=join(" ",@fields);
       }
       # Send query statements over the network to be processed by either the SQL
       # database or a recursive scheme of 'grep'-like actions (for custom
       # metadata).
     if (@queries) {      if (@queries) {
  $query=join(" AND ",@queries);   $query=join(" AND ",@queries);
  $query="select * from metadata where $query";   $query="select * from metadata where $query";
  my $reply='';   my $reply; # reply hash reference
  unless ($customquery) {   unless ($customquery or $customshow) {
     $reply=&Apache::lonnet::metadata_query($query);      $reply=&Apache::lonnet::metadata_query($query);
  }   }
  else {   else {
     $reply=&Apache::lonnet::metadata_query($query,$customquery);      $reply=&Apache::lonnet::metadata_query($query,
      $customquery,$customshow);
  }   }
  &output_results('Advanced',$r,$envhash,$customquery,$reply);   &output_results('Advanced',$r,$envhash,$customquery,$reply);
     }      }
     else {      elsif ($customquery) {
  &output_results('Advanced',$r,$envhash,$query);   my $reply; # reply hash reference
    $reply=&Apache::lonnet::metadata_query('',
          $customquery,$customshow);
    &output_results('Advanced',$r,$envhash,$customquery,$reply);
     }      }
     return OK;      # should not get to this point
       return 'Error.  Should not have gone to this point.';
 }  }
   
 # ---------------------------------------------------- see if a field is filled  # ---------------------------------------------------- see if a field is filled
 sub filled {  sub filled {
     my ($field)=@_;      my ($field)=@_;
     if ($field=~/\S/) {      if ($field=~/\S/ && $field ne 'any') {
  return 1;   return 1;
     }      }
     else {      else {
Line 599  sub basicsearch { Line 648  sub basicsearch {
  $ENV{"form.$field"}=~s/[^\w\s\(\)\-]//g;   $ENV{"form.$field"}=~s/[^\w\s\(\)\-]//g;
     }      }
   
       # Check to see if enough is filled in
     unless (&filled($ENV{'form.basicexp'})) {      unless (&filled($ENV{'form.basicexp'})) {
  &output_blank_field_error($r);   &output_blank_field_error($r);
  return OK;   return OK;
     }      }
   
       # Build SQL query string based on form page
     my $query='';      my $query='';
     my $concatarg=join(',"    ",',      my $concatarg=join(',"    ",',
        ('title', 'author', 'subject', 'notes', 'abstract'));         ('title', 'author', 'subject', 'notes', 'abstract'));
       $query='select * from metadata where concat(' . $concatarg . ') like %' .
      $ENV{'form.basicexp'} . '%';
   
     $query="select * from metadata where concat($concatarg) like '\%$ENV{'form.basicexp'}\%'";      # Get reply (either a hash reference to filehandles or bad connection)
     my $reply=&Apache::lonnet::metadata_query($query);      my $reply=&Apache::lonnet::metadata_query($query);
   
       # Output search results
     &output_results('Basic',$r,$envhash,$query,$reply);      &output_results('Basic',$r,$envhash,$query,$reply);
   
     return OK;      return OK;
 }  }
   
Line 650  RESULTS Line 706  RESULTS
   
 # ----------------------------- format and output results based on a reply list  # ----------------------------- format and output results based on a reply list
 sub output_results {  sub output_results {
     my ($mode,$r,$envhash,$query,@replylist)=@_;      my ($mode,$r,$envhash,$query,$replyref)=@_;
     my %ENV=%{$envhash};      my %ENV=%{$envhash};
       my %rhash=%{$replyref};
     my $compiledresult='';      my $compiledresult='';
       my $timeremain=30;
       my $resultflag=0;
       my $tflag=1;
   
     foreach my $reply (@replylist) {      # make query information persistent to allow for subsequent revision
       my $persistent=&make_persistent();
  my @results;  
   
  my $replyfile='';  
  $reply=~/^([\.\w]+)$/; # must do since 'use strict' checks for tainting  
  $replyfile=$r->dir_config('lonDaemons').'/tmp/'.$1;  
  $reply=~/(.*?)\_/;  
  my $hostname=$1;  
  sleep 3; # temporary fix, need to check for completion and status  
  {  
     while (1) {  
  last if -e $replyfile;  
  sleep 1;  
     }  
     # QUESTION: how should I handle this error condition..  
     # I'm sure there is syntax elsewhere I can use..  
     my $fh=Apache::File->new($replyfile) or  
  ($r->print('file cannot be opened') and return OK);  
     @results=<$fh>;  
  }  
   
  my $customshow='';  
  my $extrashow='';  
  if ($ENV{'form.customshow'}) {  
     $customshow=$ENV{'form.customshow'};  
     $customshow=~s/[^\w\s]//g;  
     my @fields=map {"<font color=\"#008000\">$_:</font>"}   
                    split(/\s+/,$customshow);  
     $extrashow="<ul><li>".join("</li><li>",@fields)."</li></ul>\n";  
  }  
  foreach my $result (@results) {  
     my @fields=map  
                    {&Apache::lonnet::unescape($_)}  
                    (split(/\,/,$result));  
     my ($title,$author,$subject,$url,$keywords,$version,  
  $notes,$abstract,$mime,$lang,  
  $creationdate,$lastrevisiondate,$owner,$copyright)=@fields;  
     my $shortabstract=$abstract;  
     $shortabstract=substr($abstract,0,200) if length($abstract)>200;  
     $fields[7]=$shortabstract;  
     $compiledresult.=<<END;  
 <p>  
 END  
             $compiledresult.=<<END if $ENV{'form.catalogmode'} eq 'interactive';  
 <font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"  
 onClick="javascript:select_data('$title','$url')">  
 </font>  
 <br>  
 END  
             my $httphost=$ENV{'HTTP_HOST'};  
   
     my $viewselect;  
     if ($mode eq 'Basic') {  
  $viewselect=$ENV{'form.basicviewselect'};  
     }  
     elsif ($mode eq 'Advanced') {  
  $viewselect=$ENV{'form.advancedviewselect'};  
     }  
   
             if ($viewselect eq 'Detailed Citation View') {  
  $compiledresult.=&detailed_citation_view(@fields,  
  $hostname,$httphost,  
  $extrashow);  
     }  
             elsif ($viewselect eq 'Summary View') {  
  $compiledresult.=&summary_view(@fields,$hostname,$httphost,  
        $extrashow);  
     }  
             elsif ($viewselect eq 'Fielded Format') {  
  $compiledresult.=&fielded_format_view(@fields,$hostname,  
       $httphost,$extrashow);  
     }  
             elsif ($viewselect eq 'XML/SGML') {  
  $compiledresult.=&xml_sgml_view(@fields,$hostname,$httphost,  
  $extrashow);  
     }  
   
         }  
   
  unless ($compiledresult) {  
     $compiledresult="There were no results that matched your query";  
  }  
   
  # make query information persistent to allow for subsequent revision  
  my $persistent=&make_persistent();  
   
       # output beginning of search page
  $r->print(<<BEGINNING);   $r->print(<<BEGINNING);
 <html>  <html>
 <head>  <head>
Line 764  BEGINNING Line 741  BEGINNING
     }      }
 </script>  </script>
 SCRIPT  SCRIPT
         $r->print(<<RESULTS);      $r->print(<<CATALOGBEGIN);
 </head>  </head>
 <body bgcolor="#ffffff">  <body bgcolor="#ffffff">
 <img align=right src=/adm/lonIcons/lonlogos.gif>  <img align=right src=/adm/lonIcons/lonlogos.gif>
 <h1>Search Catalog</h1>  <h1>Search Catalog</h1>
   CATALOGBEGIN
           $r->print(<<RESULTS);
 <form method="post" action="/adm/searchcat">  <form method="post" action="/adm/searchcat">
 <input type='button' value='Revise search request'  <input type='button' value='Revise search request'
 onClick='this.form.submit();'>  onClick='this.form.submit();'>
Line 792  $query Line 771  $query
 </p>  </p>
 RESULTS  RESULTS
     }      }
       $r->print('<h3>Search Results</h3>');
       $r->rflush();
       $r->print(<<ENDPOP);
   <script>
       popwin=open('','popwin','width=400,height=200');
       popwin.document.writeln('<html><body bgcolor="#FFFFFF">'+
         '<h3>Search Results Progress</h3>'+
         '<form name=popremain>'+
         '<br />Server space <input type=text size=25 name=space value="">'+
         '<br />Status <input type=text size=25 name=status value="">'+
         '<br />Maximum remaining time <input type=text size=25 name=timeout value="30">'+
         '</form>'+
         '</body></html>');
       popwin.document.close();
   </script>
   ENDPOP
       $r->rflush();
   
       my $servernum=(keys %rhash)+0;
       $r->print('<script>popwin.document.popremain.space.value="'.
         $servernum.', 0%, count=0/'.$servernum.'";</script>');
       $r->rflush(); 
       my $servercount=0;
       foreach my $rkey (keys %rhash) {
    $servercount++;
    $tflag=1;
    $compiledresult='';
    my $hostname=$rkey;
    $r->print('<script>popwin.document.popremain.status.value="'.
     $rkey.', trying contact";</script>');
    $r->rflush();
    my $reply=$rhash{$rkey};
    my @results;
   
    my $replyfile='';
   
    if ($reply eq 'con_lost') {
       my $percent=sprintf('%3.0f',($servercount/$servernum*100));
       $r->print('<script>popwin.document.popremain.space.value="'.
         $servernum.', '.$percent.'%, count='.$servercount.
         '/'.$servernum.'";</script>');
    }
    else {
       $reply=~/^([\.\w]+)$/; # must do since 'use strict' checks for tainting
       $replyfile=$r->dir_config('lonDaemons').'/tmp/'.$1;
       $reply=~/(.*?)\_/;
       {
    while (1) {
       if (-e $replyfile && $tflag) {
    $r->print('<script>popwin.document.popremain.status.'.
     'value="'.$rkey.', transmitting";</script>');
    $r->rflush();
    $tflag=0;
        }
       last if -e "$replyfile.end";
       last unless $timeremain;
       sleep 1;
       $timeremain--;
       $r->print('<script>popwin.document.popremain.timeout.value="'.
         $timeremain.'";</script>');
       $r->rflush();
    }
    # QUESTION: how should I handle this error condition..
    # I'm sure there is syntax elsewhere I can use..
    my $fh=Apache::File->new($replyfile) or
       ($r->print('ERROR: file cannot be opened') and return OK);
    @results=<$fh>;
       }
    }
    my $customshow='';
    my $extrashow='';
    my @customfields;
    if ($ENV{'form.customshow'}) {
       $customshow=$ENV{'form.customshow'};
       $customshow=~s/[^\w\s]//g;
       my @fields=map {"<font color=\"#008000\">$_:</font><!-- $_ -->"} 
       split(/\s+/,$customshow);
       @customfields=split(/\s+/,$customshow);
       if ($customshow) {
    $extrashow="<ul><li>".join("</li><li>",@fields)."</li></ul>\n";
       }
    }
    my $customdata='';
    my %customhash;
    foreach my $result (@results) {
       if ($result=~/^(custom\=.*)$/) { # grab all custom metadata
    my $tmp=$result;
    $tmp=~s/^custom\=//;
    my ($k,$v)=map {&Apache::lonnet::unescape($_);
       } split(/\,/,$tmp);
    $customhash{$k}=$v;
       }
    }
    foreach my $result (@results) {
       next if $result=~/^custom\=/;
       chomp $result;
       next unless $result;
       my @fields=map
       {&Apache::lonnet::unescape($_)}
       (split(/\,/,$result));
       my ($title,$author,$subject,$url,$keywords,$version,
    $notes,$abstract,$mime,$lang,
    $creationdate,$lastrevisiondate,$owner,$copyright)=@fields;
       my $shortabstract=$abstract;
       $shortabstract=substr($abstract,0,200) if length($abstract)>200;
       $fields[7]=$shortabstract;
       my $extrashow2=$extrashow;
       if ($extrashow) {
    foreach my $field (@customfields) {
       my $value='';
       if ($customhash{$url}=~/\<${field}[^\>]*\>(.*?)\<\/${field}[^\>]*\>/s) {
           $value=$1;
       }
               $extrashow2=~s/\<\!\-\- $field \-\-\>/ $value/g;
           }
               }
   
               $compiledresult.=<<END if $compiledresult;
   <hr align='left' width='200' noshade />
   END
               $compiledresult.=<<END;
   <p>
   END
               $compiledresult.=<<END if $ENV{'form.catalogmode'} eq 'interactive';
   <font size='-1'><INPUT TYPE="button" NAME="returnvalues" VALUE="SELECT"
   onClick="javascript:select_data('$title','$url')">
   </font>
   <br>
   END
               my $httphost=$ENV{'HTTP_HOST'};
   
               my $viewselect;
               if ($mode eq 'Basic') {
    $viewselect=$ENV{'form.basicviewselect'};
       }
               elsif ($mode eq 'Advanced') {
           $viewselect=$ENV{'form.advancedviewselect'};
               }
   
               if ($viewselect eq 'Detailed Citation View') {
           $compiledresult.=&detailed_citation_view(@fields,
    $hostname,$httphost,
    $extrashow2);
       }
               elsif ($viewselect eq 'Summary View') {
    $compiledresult.=&summary_view(@fields,$hostname,$httphost,
          $extrashow2);
       }
               elsif ($viewselect eq 'Fielded Format') {
    $compiledresult.=&fielded_format_view(@fields,$hostname,
         $httphost,$extrashow2);
       }
               elsif ($viewselect eq 'XML/SGML') {
    $compiledresult.=&xml_sgml_view(@fields,$hostname,$httphost,
    $extrashow2);
       }
       
           }
   
    if ($compiledresult) {
       $resultflag=1;
    }
   
  $r->print(<<RESULTS);   $r->print(<<RESULTS);
 <h3>Search Results</h3>  
 $compiledresult  $compiledresult
   RESULTS
           my $percent=sprintf('%3.0f',($servercount/$servernum*100));
    $r->print('<script>popwin.document.popremain.space.value="'.
             $servernum.', '.$percent.'%, count='.$servercount.
     '/'.$servernum.'";</script>');
       }
       unless ($resultflag) {
           $r->print("\nThere were no results that matched your query\n");
       }
       $r->print('<script>popwin.close()</script>'); $r->rflush(); 
       $r->print(<<RESULTS);
 </body>  </body>
 </html>  </html>
 RESULTS  RESULTS
     }  
 }  }
   
 # ------------------------------------------------------------- build_SQL_query  # ------------------------------------------------------------- build_SQL_query
Line 824  sub build_custommetadata_query { Line 975  sub build_custommetadata_query {
     # quick fix to change literal into xml tag-matching      # quick fix to change literal into xml tag-matching
     # will eventually have to write a separate builder module      # will eventually have to write a separate builder module
     my $oldmatchexp=$matchexp;      my $oldmatchexp=$matchexp;
     $matchexp=~s/(\w+)\\\=(\w+)/\\\<$1\\\>\[\^\\\<\]\*$2\[\^\\\<\]\*\\\<\\\/$1\\\>/g;      $matchexp=~s/(\w+)\\\=([\w\\\+]+)/\\\<$1\\\>\[\^\\\<\]\*$2\[\^\\\<\]\*\\\<\\\/$1\\\>/g;
     return $matchexp;      return $matchexp;
 }  }
   
Line 875  sub detailed_citation_view { Line 1026  sub detailed_citation_view {
 <b>MIME Type:</b> $mimetag{$mime}<br>  <b>MIME Type:</b> $mimetag{$mime}<br>
 <b>Language:</b> $language{$lang}<br>  <b>Language:</b> $language{$lang}<br>
 <b>Copyright/Distribution:</b> $cprtag{$copyright}<br>  <b>Copyright/Distribution:</b> $cprtag{$copyright}<br>
   </p>
 $extrashow  $extrashow
   <p>
 $shortabstract  $shortabstract
 </p>  </p>
 END  END
Removed from v.1.77  
changed lines
  Added in v.1.93

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