Changes

In [https://source.contextgarden.net/tex/context/base/mkii/core-mis.mkii core-mis.mkii] (for MkII), there are some handy commands for graphical text manipulation defined. {{todo|What is the equivalent for In MkIV, graphic transformations are implemented in [https://source.contextgarden.net/tex/context/base/mkiv ?}}/grph-trf.mkiv grph-trf.mkiv] and [https://source.contextgarden.net/tex/context/base/mkiv/grph-trf.lua grph-trf.lua].