+Add the new Unix binary name, and the names of any auxiliary solver
+binaries, to .gitignore.
+
+Write an instructions fragment for the webified puzzle pages, as
+html/<puzzlename>.html .
+
+Make a screenshot:
+ - create an appropriate save file in `icons'
+ - add the puzzle name to icons/Makefile
+ - set up a REDO property in icons/Makefile if the screenshot wants
+ to display a move halfway through an animation
+ - set up a CROP property in icons/Makefile if the icon wants to be
+ a sub-rectangle of the whole screenshot
+
+Don't forget to `git add' the new source file, the new .R file and the
+save file in `icons', the new .html file, and any other new files that
+might have been involved.
+
+Check in!