It's not notmuch style to accept sloppy parameter names.
 while test "$#" -ne 0
 do
        case "$1" in
-       -d|--d|--de|--deb|--debu|--debug)
+       -d|--debug)
                debug=t; shift ;;
-       -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
+       -i|--immediate)
                immediate=t; shift ;;
-       -h|--h|--he|--hel|--help)
+       -h|--help)
                help=t; shift ;;
-       -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
+       -v|--verbose)
                verbose=t; shift ;;
-       -q|--q|--qu|--qui|--quie|--quiet)
+       -q|--quiet)
                quiet=t; shift ;;
        --with-dashes)
                with_dashes=t; shift ;;
        --no-python)
                # noop now...
                shift ;;
-       --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
+       --valgrind)
                valgrind=t; verbose=t; shift ;;
        --tee)
                shift ;; # was handled already