Assembly Language Help (alang.hlp) (Table of Contents; Topic list)
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Turn On/Off Symbol Cross-Referencing
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  Syntax:   .CREF
 
            .NOCREF [name[, name]...]
 
  See also: /Fl, /FR, /Sn
 
  Description:
 
     The .CREF directive enables collection of information for all
     symbols. These symbols will appear in the symbol table at the end
     of a listing file. If you generate a source-browser file with the
     /FR or /Fr command-line option, the browser will be able to access
     cross-reference information for these symbols. This directive is
     in effect by default.
 
     The .NOCREF directive turns off cross-referencing for all symbols.
     Any references to symbols while .NOCREF is in effect are omitted
     from the cross-reference listing. If the <name> parameter is given
     with this directive, only the cross-reference information for the
     symbols specified by <name> is omitted.
 
     .XCREF is a synonym for .NOCREF and is provided for compatibility
     with previous versions of the assembler.
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