[NTG-context] environment flushright

[Aditya Mahajan]

On Fri, 10 Jun 2016, Hans Hagen wrote:

> \leftskip    \zeropoint plus  \plustwo\bodyfontsize
> \rightskip   \zeropoint plus  1fill
> \parfillskip \zeropoint plus -1fill
> \spaceskip   \interwordspace
> \xspaceskip  .5\emwidth

Would it be useful to add this (and middle align last line) as two new 
alignment options?

Aditya