d, drop <commit> = remove commit
l, label <label> = label current HEAD with a name
t, reset <label> = reset HEAD to a label
+m, merge [-C <commit> | -c <commit>] <label> [# <oneline>]
+. create a merge commit using the original merge commit's
+. message (or the oneline, if no original merge commit was
+. specified). Use -c <commit> to reword the commit message.
These lines can be re-ordered; they are executed from top to bottom.
" | git stripspace --comment-lines >>"$todo"