Units for the #RsvgLength struct. These have the same meaning as <ulink url="https://www.w3.org/TR/CSS21/syndata.html#length-units">CSS length units</ulink>.
percentage values; where <literal>1.0</literal> means 100%.
pixels
em, or the current font size
x-height of the current font
inches
centimeters
millimeters
points, or 1/72 inch
picas, or 1/6 inch (12 points)
See Implementation
Units for the #RsvgLength struct. These have the same meaning as <ulink url="https://www.w3.org/TR/CSS21/syndata.html#length-units">CSS length units</ulink>.