Suggested fix for Bug [069c9e43c4]
rebase
Fix some comments
rebase
Fix reference counting for "option" objects, when being duplicated.
Bug [069c9e43c4]: FreeOptionInternalRep() breaks Tk_CreateOptionTable()
Bug [b744526512]: Call [$pb step] in tail position 
in ttk::progressbar::Autoincrement, so that the widget is 
in a consistent state when any write traces on the 
linked -variable are fired.
Fix for 3016181, thanks to Tom Goddard for patch
Fix for 3016181, thanks to Tom Goddard for patch
Bug [c597acdab3]: Call [$pb step] in tail position in ttk::progressbar::Autoincrement, so that the widget is in a consistent state when any write traces on the linked -variable are fired
Changelog entries for previous two commits
Bump to 8.5.15 for release.
changes
Bump to 8.6.1.
Favor timeline over ChangeLog; also 'make dist'
Update changes
make dist
Added note to ChangeLog pointing to the fossil timeline for better logging.
Fix for http://core.tcl.tk/tk/info/8eb56719cf on broken build with 8.5.15 with clang on OS X, thanks to Ned Deily for patch
merge 8.5; update changes