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 Class TLex FROM TFile
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  FiveWin - Lexical analizer
  It returns the different tokens found inside a file.

 DATA
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 aTokens         Array of string tokens to identify
 aIds            Array of numeric identifiers for each found token
 lSkipBlank      To automatic skip spaces
 lSkipCRLF       To automatic skip carriage-return and line-feed
 cToken          Last read token string value
 cSeparators     A string with all separators
 cText           To analyze text from memory
 nTxtPos         Text index position when using cText
 nTokNum         Token identifier for numbers

 METHODS
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 New             Constructor from source code
 lEoF            Retrieves the total number of lines.
 nGetByte        Get a byte from the file.
 nGetToken       Get a token from the file.
 SetText         //