--- loncom/xml/londefdef.pm 2010/05/04 19:40:47 1.416 +++ loncom/xml/londefdef.pm 2023/12/29 23:33:43 1.456.2.6.2.3 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.416 2010/05/04 19:40:47 faziophi Exp $ +# $Id: londefdef.pm,v 1.456.2.6.2.3 2023/12/29 23:33:43 raeburn Exp $ # # # Copyright Michigan State University Board of Trustees @@ -43,11 +43,11 @@ use Apache::lonnet; use strict; use Apache::lonxml; use Apache::lontable; -use Apache::File(); use Image::Magick; use Apache::lonmenu(); use Apache::lonmeta(); use Apache::lonlocal; +use Apache::loncommon(); use Apache::Constants qw(:common); use File::Basename; use LONCAPA(); @@ -55,7 +55,7 @@ use LONCAPA(); BEGIN { - &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput')); + &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','style','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput')); } @@ -92,6 +92,26 @@ sub start_m { my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser); if ($target eq 'web' || $target eq 'analyze') { &Apache::lonxml::debug("M is starting with:$inside:"); + if (!($inside =~ /^\s*\$.*\$\s*$/ || $inside =~ /^\s*\\[([].*\\[)\]]\s*$/)) { + # Non-math LaTeX will not be rendered correctly with MathJax + # and it should be avoided anyway. + # On top of that, MathJax will render math without $, but + # it will fail with tth. This is worth a warning. + # (even though some people might just use latex for printing) + &Apache::lonxml::warning(&mt('Missing $ in [_1].','<m>')); + } elsif (($env{'browser.type'} eq 'safari') && ($env{'form.editxmltext'}) && + (($env{'form.problemmode'} eq 'view') || ($env{'form.problemmode'} eq 'discard'))) { + my $delimiter; + if ($inside =~ /\$$/) { + $delimiter = '$'; + } elsif ($inside =~ /\\([)\]])$/) { + $delimiter = $1; + } + if ($delimiter) { + &Apache::lonxml::warning(&mt('Insert a space between [_1] and [_2].', + $delimiter,'</m>')); + } + } my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); if ($eval eq 'on') { $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); @@ -347,7 +367,7 @@ sub start_title { $Apache::londefdef::title = &Apache::lonxml::get_all_text('/title',$parser,$style); } elsif ($target eq 'tex') { - $currentstring .= '\keephidden{Title of the document: ' + $currentstring .= '\keephidden{Title of the document: '; } if ($target eq 'meta') { $currentstring='