<b_jonas> learn ayacc is ais523\'s yacc parser generator implementation, get it from (darcs clone http://nethack4.org/projects/ayacc) or a snapshot from "http://nethack4.org/pastebin/ayacc-2020-04.tar.gz".

To schwa is to reduce one or more vowels in a word. Example: "He usually pronounces the names of Indian dishes well, except he always schwas 'Tikka'."