5
votes
1answer
96 views

What's the difference between \|, \textdoublevertline, \textdoublepipe and \parallel?

I'm currently writing my bachelors thesis about on-line handwriting recognition of mathematical formulae (see http://write-math.com). I'm currently only recognizing symbols with the same technique as ...
4
votes
1answer
2k views

How to get correct rendering for \dh \TH (ð þ Þ)?

I have some references containing \dh and \TH. When using these symbols in either the LaTeX source or the .bib file I only get a black box. Neither \dh nor ð works. According to the documentation, T1 ...