effectflag: fix content change detection for filtered revs
In some cases (like amended an obsolete changeset), computing the diff and
comparing them need to work with filtered revisions. We need to use unfiltered
change contexts to safely compute diffs.
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