Tcl 8.0, cont'd

• Possible changes in semantics:

  • More aggressive list syntax checking, conversion: lappend, lindex.
  • Changes to error messages, errorInfo (line numbers?).
  • Eliminate multiple substitutions in expressions?
    set x {$y+2}
    
    expr $x*4
  • Retain string values for comparisons?
    if {"0y" < "0x12"} ...
    

• Schedule estimate:

  • First alpha release October 1996.
  • Final release Q2 1997?
  • Additional speedups in later releases.

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