This is an extraction from ticket [378209fe].

Quote:
For BWidget knows the command "use" for SelectColor, please add in pkgInit.tcl the command "::SelectColor::use" right at the end of the definition list for it.

I tried this:

<verbatim>
% SelectColor .s
% .s use
wrong # args: should be "::Dialog::use"
</verbatim>

Error message is bogus. No command "use" found in SelectColor or Dialog documentation.

But in Widget::define, there is a comment that the use command is related to late loading.
This is connected to pckIndex.tcl.