Writing a really general parser is a major but different undertaking, by far the hardest points being sensitivity to context and resolution of ambiguity.

He co-edited Oxford Poetry and in 1997 received an Eric Gregory Award from the Society of Authors for his poetry. Demo code for Inform programmers. Was a finalist for Best Individual Puzzle Best Puzzles Best Writing and Best Game at the XYZZY Awards 1996
The Tempest (1997 Z-code) for IF Comp 1997 (25th place).

He has also authored several IF games including the acclaimedCurses (1993) and Jigsaw (1995) using the experience of writing Curses in particular to expand the range of verbs that Inform is capable of understanding. Graham A. Nelson (born 1968) is a British mathematician and poet and the creator of the Inform design system for creating interactive fiction (IF) games.