On 16 Jun 2017 16:06:54 GMT, PaulRS <prs...@Zfrontier.com> wrote:
> My basic question: Can I install a newer "gcc4core-1_3_1.wpi" OVER
> the older "gcc4core-1_3_0.wpi"
Generally "yes". You'd certainly expect to be able to do so
for a minor version number change.
But some people are weird and do massive changes with nothing
to indicate such in the number.
> or does there need to be a an "uninstall" THEN "install?"
An uninstall/reinstall is always going to work but then you
might lose things you had subsequently set up e.g. shadows of
objects created by the package.
> What is the "rule" for this in *.wpi archives?
There isn't a "rule". It depends on what the packager author
decided.