::tkcon::ExpandPathname fails in Tcl 9.0 when glob has no matches #8
Description
In Tcl 9.0, the glob command uses "-nocomplain" by default. In version 2.8 of TkCon, the routine ::tkcon::ExpandPathname relies on this behavior to catch no matches (around line 5954) when it calls catch {lsort [EvalAttached [list glob $safedir]]} m*.
The user observed effect of this bug is press tab while expanding a pathname with a subdirectory in the path and there is no match, then TkCon will silently leave you in that subdirectory. (ExpandPathname cd's into that subdirectory, performs the glob, then cd's back to the original directory. But in Tcl 9.0, there's an error trying to read an unset variable, aborting the procedure prematurely.)
One simple fix is to add the conditional if {[llength $m] == 0} { set match {}} else... .