I looked at the XSL-FO font attributes in the spec under 6.6.3 <fo:character> and I don't see anything that will let me reverse a character. I can rotate it 180 degrees but that is not the same thing.
I want to be able to do the equivalent of CSS transform: scale(-1, 1); for instance.
Something like (using the made-up font-scale-horizontal):
Click the <fo:inline xmlns:fo="http://www.w3.org/1999/XSL/Format" font-weight="bold" line-height="100%" font-family="MaterialIcons" font-scale-horizontal="-1"></fo:inline> next to the...
If you are using AH Formatter, you could use axf:transform (see https://www.antennahouse.com/product/ahf65/ahf-ext.html#transformation), otherwise you probably have to do it as an SVG graphic.