subranges: migrate handling of single element range
This is the simplest case by far, so we start with that one. We still use the
rich object as an argument, but we'll do our best to not relying on that. This
is important for performance reason.
all: tutorials/tutorial.rst static/logo-evolve.ico
sphinx-build . ../html/
tutorials/tutorial.rst: tutorials/tutorial.t
python test2rst.py tutorials/
static/logo-evolve.ico: static/logo-evolve.svg
convert -resize 36x36 static/logo-evolve.svg static/logo-evolve.ico