mahara-contributors team mailing list archive

[Robert Lyon <robertl@xxxxxxxxxxxxxxx>]

Question: "Could we just not allow MathJax in the username?"

Answer: This problem also exists for normal page titles as well

The main problem is mathjax symbols are made from allowed characters, eg
the symbol for pi, π, is made from \(\pi \) all of which are valid chars
for a title.

So I guess during page settings form save we'd need to check if mathjax
plugin is enabled and mathjax shaped syntax occurs in the title field
and to throw an error on saving.

For some symbols, eg pi, we can get a better result by selecting the
character by using the tinymce 'special characters' button and selecting
the symbol if it exists in the font.

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https://bugs.launchpad.net/bugs/1815128

Title:
  Mathjax in user name on profile page is not updating <title> tag

Status in Mahara:
  In Progress

Bug description:
  Eg If I have MathJax turned on and have 'displayname' for a user set
  to: \(\beta \alpha \delta \varsigma \pi \rho \)

  When I visit their profile page I see their name displayed as βαδςπρ
  in page <h1> tag but the browser <title> still shows as  \(\beta
  \alpha \delta \varsigma \pi \rho \) and makes things look broken

  The MathJax is unable to update the <title> tag as it does it's magic
  with inserting <div> stuff.

  But we can update the title tag with an approximation of what is
  wanted - eg for Greek letters they tend to exist in the font so we can
  scrape them from the page a apply them to the title.

  For things like mathematical notations like square root we can't as
  they are made up by css tricks

  So I'll add a bit of code to try and update the <title> tag so it
  looks less broken

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