SVG path for SPACE (u0020) is missing attribute d

[pkra]

Example:

$ bin/tex2svg "\text{ }"

produces

...
<path stroke-width="10" id="E1-MJMAIN-20"></path>
...

or more precisely

    <?xml version="1.0" standalone="no"?>
    <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
    <svg xmlns:xlink="http://www.w3.org/1999/xlink" style="vertical-align: -0.167ex; margin-left: 0ex; margin-right: 0ex; margin: 1px 0px;" width="0.667ex" height="0.167ex" viewBox="0 -23.9 255 47.9" xmlns="http://www.w3.org/2000/svg">
    <defs>
    <path stroke-width="10" id="E1-MJMAIN-20"></path>
    </defs>
    <g stroke="black" fill="black" stroke-width="0" transform="matrix(1 0 0 -1 0 0)">
    <use xlink:href="#E1-MJMAIN-20"></use>
    </g>
    </svg>

Adding empty attribute d="" should fix this.

This looks like an upstream bug in MathJax.

[dpvc]

There really shouldn't be any path element at all; the SVG jax should simply increment its position rather than inserting a useless path.

[dpvc]

This is fixed upstream in MathJax by the commit listed above. This just advances the position within the string for space characters rather than producing an empty path (unless the path also has height or depth, which is not currently true for any glyph in the MathJax fonts, but perhaps could be in the future).