hgview #82231 Start with the working directory parent as selected and displayed node [validation pending]

currently the selected node is Working directory (None) if there is any change or tip. Tip is not a good value when your workign directory parent is far below. Having working directory parent (.) as default instead of tip would be much nicer.

done in1.6.0
load left0.000
closed by#fb5ee4cf21dd [qt] always select the working directory at startup (closes #82231)