> > Filter Specification's History List allows labels, which are of
> > great help to visually find an entry. Moreover, that specific history
> > list allows space between label and filter expression for a neat
> > alignment.
> >
> > History of Filter, clear and clean
> >
> >
> > Unfortunately, all other history lists do not support labels. You can
> > add a label manually (by editing the ZTW.HST file) but the label will
> > generate an error when the item is pasted in command input line.
> >
> > History of Treespec, less clear and clean
> >
> >
> > I wish labels could be accepted in all history lists, for both
> > productivity and uniformity of user experience.
>
> Get's my vote as well.
>
> But XTree only had labels on filters because ":" is not a valid
> filter character and so can safely be used as a label terminator, whereas
> other input locations ":" can be a valid character. ZTree just followed
> XTree.

What about double ":" such as ::, which is both not a valid entry and used as REM in batch and F9 ?

Logic would be "If :: is found in history line, everything to the left is label"