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Diff for /loncom/xml/lontexconvert.pm between versions 1.81 and 1.86

version 1.81, 2006/11/09 21:31:54 version 1.86, 2008/01/29 11:18:06
Line 108  sub convert_real { Line 108  sub convert_real {
     $xmlstring=~s/^\s*\<br clear\=\"all\"/\<br/s;      $xmlstring=~s/^\s*\<br clear\=\"all\"/\<br/s;
     $xmlstring=~s/^\s*//;      $xmlstring=~s/^\s*//;
     $xmlstring=~s/\s*$//;      $xmlstring=~s/\s*$//;
       #
       # \rightleftharpoons is not converted by tth but maps
       # reasonably well to &#8660;.  If we get many more of these,
       # we're going to need to have a translation sub.
       #
       $xmlstring=~s/\\rightleftharpoons/\&\#8660;/g;
   
     &Apache::lonxml::end_alarm();      &Apache::lonxml::end_alarm();
     return ($xmlstring,$errorstring);      return ($xmlstring,$errorstring);
 }  }
Line 151  ENDCONV Line 158  ENDCONV
   
 sub clean_out_math_mode {  sub clean_out_math_mode {
     my ($texstring)=@_;      my ($texstring)=@_;
     $$texstring=~s/(?!\\)\$//g;      $$texstring=~s/(?<!\\)\$//g;
     $$texstring=~s/\\[\)\(\]\[]//g;      $$texstring=~s/\\[\)\(\]\[]//g;
     $$texstring=~s/\\ensuremath//g;      $$texstring=~s/\\ensuremath//g;
     return '';      return '';
Line 203  sub jsMath_converted { Line 210  sub jsMath_converted {
  return "\n".   return "\n".
     '<script type="text/javascript">jsMath.Process()</script>'."\n";      '<script type="text/javascript">jsMath.Process()</script>'."\n";
     }      }
       sub jsMath_state {
    my ($level) = @_;
    return $jsMath_sent_header[$level];
       }
   }
   
   sub tex_engine {
       if (exists($env{'form.texengine'})) {
    return $env{'form.texengine'};
       }    
       if ($env{'request.course.id'}
    && exists($env{'course.'.$env{'request.course.id'}.'.texengine'})) {
    return $env{'course.'.$env{'request.course.id'}.'.texengine'};
       }
       if (exists($env{'environment.texengine'})) {
    return $env{'environment.texengine'};
       }
       return 'tth';
 }  }
   
 sub init_math_support {  sub init_math_support {
       my ($inherit_jsmath) = @_;
     &init_tth();      &init_tth();
     &Apache::lontexconvert::jsMath_push();      &Apache::lontexconvert::jsMath_push();
     if ($env{'environment.texengine'} eq 'jsMath' ||      if (lc(&tex_engine()) eq 'jsmath' ||
  $env{'form.texengine'}        eq 'jsMath' ) {   ($inherit_jsmath && &jsMath_state(-2))) {
  return &Apache::lontexconvert::jsMath_header();   return &Apache::lontexconvert::jsMath_header();
     }      }
     return;      return;
Line 233  sub mimetex_converted { Line 259  sub mimetex_converted {
   
 sub converted {  sub converted {
     my ($string,$mode)=@_;      my ($string,$mode)=@_;
     if ($mode eq '') { $mode=$env{'environment.texengine'}; }      if ($mode eq '') { $mode = &tex_engine(); }
     if ($mode =~ /tth/i) {      if ($mode =~ /tth/i) {
  return &tth_converted($string);   return &tth_converted($string);
     } elsif ($mode =~ /jsmath/i) {      } elsif ($mode =~ /jsmath/i) {
Removed from v.1.81  
changed lines
  Added in v.1.86

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