[Bug 1347] '\phi' and '\varphi' not necessarily distinguished in Unicode

[bugzilla-daemon]

https://bugzilla.wikimedia.org/show_bug.cgi?id=1347


Derk-Jan Hartman <hart...@videolan.org> changed:

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--- Comment #4 from Derk-Jan Hartman <hart...@videolan.org>  2009-08-23 
13:22:17 UTC ---
We were discussing this issue again on VPT. We noticed that in html \phi is
rendered as html "small letter phi" &phi;
http://en.wikipedia.org/wiki/Wikipedia:Village_pump_(technical)#Rendering_of_phi_in_.3Cmath.3E


Lexically this is seems correct, but in latex \phi should always be the small
stroked version and \varphi should always be the loopy version of the
character. (See
http://mirror.hmc.edu/ctan/info/symbols/comprehensive/symbols-letter.pdf )
Because in unicode, the small letter phi can be either loopy OR stroked,
translating \phi as unicode small letter phi is not correct. \phi should
therefore either be always rendered in PNG, or alternatively, we could render
it with &#x03D5;  Since we always use \phi in a math context and &#x03D5; is
reserved for the small stroked math version of the phi symbol, this is a
correct translation when convert math. I have attached patches for both
alternative corrections.


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