Richard asked:
> Would it be considered good practice to try lower version
> numbers on your
> ado files, until they stopped working correctly?
I don't think so. I guess, the only way to be sure that an ado works on
some earlyer version of stata is to actually test it on that version. I
had the problem once when I was writing a program for someone else who
used Stata 7 while I already upgraded to Stata 8. Although the ado was
-version 7- it did not work at my collegues place. (The specific problem
was that my program used matrices containing missing values, which is
possible in Stata 8 but not in Stata 7. The command -version 7-,
however, does not seem to prevent Stata 8 from allowing missings in
matrices.)
ben
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