>> Consistent with what exactly? > > to have ° and @textdegree{} give the same output with Texinfo TeX.
OK. >> Does this map back to U+00B0 for cut and paste? > > No. But neither does the current output, which uses ringaccent and > therefore maps to the corresponding character 'COMBINING RING ABOVE' > (U+030A). OK, right. > You probably disagree with many renderings of similar characters, > then as the rendering is based on math mode, and in many case does > not lead to fixed width characters (for U+00AE, U+00B1, U+00B2, > U+00B3...). Well, contrary to the Unicode cmap values I think *this* could be improved. Or do you see any technical reason that prevents putting these math characters into boxes with a fixed width? It slightly complicates the definitions, but it is probably worth the effort. Werner