Re: Reduce offsets of \super and \sub (issue 35320043)

[lemzwerg]

> Do you know if the fonts, in the form LilyPond uses,
> will report their x-height, and if so how to get the
> information out of pango?

I've just looked up the source code, and the concept of the x-height
doesn't seem to be part of Pango.  The nearest I can find is the
strikethrough position, cf.
`pango_font_metrics_get_strikethrough_position'.


https://codereview.appspot.com/35320043/