On 29.12.2016 22:04, James wrote:
Is it simply for the same reason any font has a separate character that
is a 'rotated' version of its counterpart?
e.g. '<' and '>' or '/' and '\'
Why*wouldn't* you make separate font 'objects' for fundamental
glyphs?
Those have semantically different, well-delimited functions. An arrow,
however, can occur in any direction, and it seems that the Feta glyphs
were not designed for use as actual text glyphs, but in close
conjunction with the _graphic_ markup command \arrow-head, currently
choosing one of four directions. And for a command to be used in
graphics, I think rotation would be appropriate.
Best, Simon
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