User talk:Walterpachl: Difference between revisions
→Math tags
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:: The MediaWiki processing of <math> tags can go wrong if they enclose unexpected redundant space. As a result, ill-formed HTML is generated which prevents the display of the graphic file for the formula on most browsers, though a minority, like Firefox, can still use an alternative route, if the right fonts are installed, by locally processing MathML.
:: On the whole, you should find that you don't need to entirely remove the <math> tag - eliminating redundant space between the tags, particularly just after the opening tag, and just before the closing tag, should usually be enough, though there are some other special space patterns which also choke the MediaWiki's translation of <math> tags into HTML [[User:Hout|Hout]] ([[User talk:Hout|talk]]) 13:27, 24 September 2016 (UTC)
:: The most important thing is that if anyone uses or edits <math> tags, they '''must''' be careful to test them on both kinds of browsers, i.e. for example, one of the browsers like Chrome, Safari, IE (the majority - which use the graphic file),
::: For a list of tasks descriptions with formulae which have accidentally been made invisible to most browsers by <math> tag editing in the last six months, see:
::: http://rosettacode.org/wiki/User_talk:Hout
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