These files need to be changed when bumping revisions:

Makefile (VERSION and DOTVERSION)
eskil.vfs/tclkit.inf (fileversion/productversion)

Also, mark it in:
Changes

------------
File Release

Make sure revision is bumped and everything is committed.
Clean run of make check / make test
make release
make tofossil

Update htdocs/download.html with info from above.
Update htdocs/changes.wiki
Update Changes

Commit, and do 'fossil unversioned sync'

---------------
New Source File

These changes are needed when adding a new source files:

Add source to e.g. src/apa.tcl  (plus add to fossil)
In src/startup.tcl, update InitReSource
In Makefile, update SRCFILES
Do make -B newsrc