I'm trying to create an SVG-in-OpenType font by adding an 'SVG '-table to an existing font, but the SVG glyph will not render in the final font.
This is my process:
1. I take an existing font and decompile it with ttx (Behdad's version)
2. I add an SVG table with a single svgDoc entry holding an SVG image.
3. I recompile the ttx (without errors) and test the font in Firefox (which supports SVG-in-OpenType).
Although ttx doesn't throw any errors, the SVG glyph doesn't show up — the original glyph is being shown.
My addition to the font looks like this:
<svgDoc endGlyphID="4" startGlyphID="4">
<!-- svg data -->
I've tried the following: