On 10 March 2016 at 11:34, Leonardo Boiko <leobo...@gmail.com> wrote: > Isn't it better to use some sort of COMBINING ENCLOSING CIRCLE?
Of course that approach is possible, but it is quite problematic, both from the perspective of the font developer and the end user, because the circle would have to be able to combine with an indefinite number of preceding characters, and it is not easy to either determine where the boundary is (in the font) or specify the boundary (by the end user). For example, given a text string of "1234<combining circle>" what does the combining circle combine with? Unitary characters would be just way simpler and more reliable. Andrew