Gregory Nowak wrote:

Could a txtdocs option be implemented as a documentation
target for kernel builds, which would produce plain text files?

Building html files from this is usual, for instance on Debian the html
files are available in the linux-doc package.

Gregory Nowak wrote:

Another concern is that if the speakup guide is maintained in RST,
that could dissuade others from keeping it updated who don't already
know RST.

The RST syntax is very trivial in the end. Personally I don't really
know RST myself, I just mimic what I see in the file and that works
alright.

Samuel