Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,234

Then this is a legitimate bug.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**zetafunc****Member**- Registered: 2014-05-21
- Posts: 78

I have also been noticing the missing character issues lately -- especially the 'fancier' (i.e. curled) apostrophes that have suddenly disappeared from everyone's posts. The sup and sub tags no longer work (which makes some older posts very tedious to read!). Some characters no longer work in LaTeX, and any (unrendered) sentence written on the same line as LaTeX text ends up changing its font style. Not to mention that in the hide tags, a lot more characters don't work -- even ones like simple exponents fail to show.

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,234

Hi zetafunc;

Do you have a specific example?

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**zetafunc****Member**- Registered: 2014-05-21
- Posts: 78

This thread is a bit of a mess: http://mathisfunforum.com/viewtopic.php?id=14826

[sup]The sup[/sup] [sub]and sub[/sub] tags don't work.

The fancy apostrophes are missing from older posts, and the text 'near' LaTeX code is affected. See here: http://mathisfunforum.com/viewtopic.php?id=14950

Apostrophes no longer work in LaTeX, and presumably true for other characters:

*Last edited by zetafunc (2014-05-24 19:37:03)*

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,234

The apostrophes disappeared in latex before the upgrade. it was not possible to indicate f'(x) in latex.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

**Online**

**zetafunc****Member**- Registered: 2014-05-21
- Posts: 78

Did they disappear, or were they always missing?

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 83,234

They disappeared when we went over to the new server.

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

**Online**