[latex3-commits] [latex3/tagpdf] develop's head updated: docu update (6de94a8)

[github at latex-project.org]

Repository : https://github.com/latex3/tagpdf
Branch 'develop' now includes:

    073da2b add RoleMap also with pdf 2.0
    6062ffb update testfiles
    ba6c06f another testfile
    35d609a more test files
    c224f59 add optional support for mathml tags in pdf 1.7
    a740d30 step version
    6de94a8 docu update