In R code was copied from progressbar.tcl, utils.tcl and widget.tcl, into their file src/library/tcltk/exec/progressbar.tcl.

$ svn log -r r45037 R
------------------------------------------------------------------------
r45037 | ripley | 2008-04-02 10:40:18 -0500 (Wed, 02 Apr 2008) | 1 line

include enough of BWidget for tkProgressBar
------------------------------------------------------------------------
$

Looking at the R source subdirectory src/library/tcltk/exec exposed a few typos.

Would the Bwidget devs consider to implement these GNU sed commands to fix them?

$ cat typos.sh
sed -i "s/additionnal/additional/g" bwidget/widget.tcl
sed -i "s/commande/command/g" bwidget/utils.tcl
sed -i "s/incorrecte/incorrect/g" bwidget/utils.tcl
sed -i "s/informations/information/g" bwidget/widget.tcl
sed -i "s/retreive/retrieve/g" bwidget/widget.tcl
$