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Drop support for Tcl/Tk 8.4?

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Christopher Chavez
March 27, 2019 08:30
Drop support for Tcl/Tk 8.4?
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Hi all,

I am proposing to drop support for Tcl/Tk 8.4 from Tcl::pTk. This is mainly because:

  1. the developers of Tcl/Tk have no longer supported 8.4 for some time, and have encouraged anyone using it to upgrade;
  2. many binary Tcl/Tk distributions and OS package managers no longer provide 8.4; and
  3. I personally have not tested Tcl::pTk on Tcl/Tk 8.4 for these reasons.

I have not thought of any immediate or significant benefits to the Tcl::pTk codebase other than being able to remove checks for whether Tcl/Tk 8.5+ is present before using features such as Tile/Ttk.

I will go ahead and bump the Tcl::pTk version to 1.00 if I drop Tcl/Tk 8.4.

I do not suspect that any of the active Tcl::pTk users I have heard from over the past several months are using Tcl/Tk 8.4, but please respond in case of objections to (or approval of :^) ) this proposal.

I currently do not have any plans to drop support for Tcl/Tk 8.5, since some platforms still ship with 8.5 (e.g. macOS).

Christopher A. Chavez
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