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==Maths equations fail in Firefox== I am seeing a lot of errors around the maths equations of the task description. I am using Firefox 56.0.2 (32 bit) on Windows.

--[[User:Paddy3118|Paddy3118]] ([[User talk:Paddy3118|talk]]) 15:46, 6 November 2017 (UTC)

: Are they failing in and around the ''dj'' = { ... ? If so, look (via edit) at the ''commented out'' (not normally visible) HTML code ''within'' the Rosetta Code task [[Leonardo numbers]] preamble, which (on my FireFox and IE Explorer web browsers) causes Rosetta Code to fail to render the equation correctly, in fact, it causes Rosetta Code to get a "time out". The HTML code that is commented out works correctly on Wikipedia, where the HTML code was originally copied from (exactly copied). -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 18:01, 6 November 2017 (UTC)

:: This sounds like a firefox regression. :: I've been seeing a lot of regressions "lately" (actually, the last three or four years ... maybe - it's hard to put strict boundaries on this kind of thing), in browsers and in OSes. I do not know how to address such systematic failures. --[[User:Rdm|Rdm]] ([[User talk:Rdm|talk]]) 18:38, 6 November 2017 (UTC)

::: In my case, the FireFox that I run hasn't been updated (on my computer) for over three years now. So, ... no regression here. -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 21:42, 6 November 2017 (UTC)^

:::: Let me explain a little further. When I use the original Leonardo HTML text (that fails), and then I see the failure(s) in parsing the HTML code, I then use (open) ''another'' Firefox session, I try to access the '''Rosetta Code''' site (https://rosettacode.org), Firefox comes back (eventually) and tells me that ''the Rosetta Code site is down or is busy, try again later''. I concluded that the Rosetta Code site is busy or stuck trying to complete and/or process the failing process and I also concluded that Rosetta Code is failing for all other requests/processes for all other Rosetta Code users during this time --- until I close the (Firefox) window that contains the error message(s). -- [[User:Gerard Schildberger|Gerard Schildberger]] ([[User talk:Gerard Schildberger|talk]]) 02:58, 30 July 2019 (UTC)