See github issue tracker issue #490. There were two cases: When
running without the Tk console, a NULL value was being passed to a
string comparison. When running with the Tk console, two variables
were not initialized. Both prolems have been fixed.
become truncated, causing the "About" menu item in the console
to generate an error message. Since the tkcon.tcl used in my
other software packages like IRSIM was correct, I just pulled
the RCS string from there, and it seems to be okay now. This
solves github issue #259.