File: TestChars.ATG

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$01246
/*-------------------------------------------------------------------------
Test of CHARACTERS definition
----------------------------------------------------------------------------*/
COMPILER Test

CHARACTERS
  lower   = "abcdefghijklmnopqrstuvwxyz".
  upper   = 'A' ..'Z'.
  letter  = lower + upper.
  noquote = ANY - '\''.
  idchar  = letter + '0' .. '9'.
  LF      = '\n'.

TOKENS
  ident = letter {idchar}.

IGNORE
  '\r' + LF + '\u0009'

PRODUCTIONS

Test = ident.

END Test.