Minor correction: moss operates at the lexical/token level, not the syntax tree. It matches fragments like IDENT EQUALS LPAREN NUMBER TIMES IDENT RPAREN DIVIDE

Minor correction: moss operates at the lexical/token level, not the syntax tree. It matches fragments like IDENT EQUALS LPAREN NUMBER TIMES IDENT RPAREN DIVIDE NUMBER -- so renaming and changing indents (the most common cheater obfuscations) don't change anything!