'88-'91, ...

See [Tcl chronology] for how [Tk] fits into things.

In 1991, [JO] presents Tk at the X Technical Conference and at the Winter [USENIX] conference.

ftp://www.tcl.tk/pub/tcl/doc/tkUsenix91.ps and
ftp://www.tcl.tk/pub/tcl/doc/tkF10.ps are the original paper,
along with a figure, from that USENIX conference.

[[What details should go in here?]]

[[What and when was the first Tk extension?]]

[Changes in Tcl/Tk] points to a series of pages that detail
what features are added, modified, or deleted in each release.



http://www2.sdtimes.com/content/article.aspx?ArticleID=31644





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[[Explain the Great Re-Unification of version numbers.]]

[DKF] 19-Feb-2008: From 8.0 onwards, it was decided (by [JO]/[Scriptics]) to make the version number of Tcl and Tk match. Without that, it's probably the case that Tk would still be in the 4.* version number series, as Tk apps from 4.0 onwards are highly-compatible with the current release.

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