Errormessages for PROLOG V2.7 (9-Aug-84). English version.
Copyright (1984) by Peter Schorn.
Prinz-Eugen-Str. 6,  D-8000 Muenchen 40,  Tel. 089 / 3002578.

12  "]" expected.
13  ")" expected.
14  Illegal character in input.
15  Cardinal overflow. Implemented range is [0..65535].
17  Postfix-operator, infix-operator or "." expected.
18  Missing end of file at end of input.
19  Query, rule or fact expected.

20  Unexpected end of file in comment.
21  Unexpected end of file in literal.
25  Prefix-operator or operand expected.
26  Operation nesting too complex.
27  Precedence conflict with prefix-operator.
28  Precedence conflict with infix- or postfix-operator. 

31  Use one of {fx, fy, xf, yf, xfx, xfy, yfx, yfy} as 2. argument.
32  Precedence must be in [0..255].

70  File not found.
71  Error in parsing.
72  Bad filename.
73  Illegal parameter, only literal (with or without quotes) allowed.

91  PROLOG bug: scanner called after end of file.
92  PROLOG bug: stack-underflow in termparsing.

98  PROLOG bug: Postfix-operator never expected in handleOperand.
99  PROLOG bug: Postfix-operator never expected in handlePrefix.
