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Programming tips and known problems

Known problems with descriptors

The init descriptor for a frame is not evaluated first, although it should be. In forms, the value descriptors are evaluated first, followed by the page, show, and inactive descriptors for each field; in menus, the show descriptors for items are evaluated first. If an application uses backquoted expressions in these descriptors, this ordering must be taken into consideration; init cannot be relied on to be evaluated first.

When the reread descriptor is used with co-processing and the vsig utility causes the reread to occur frequently, the FMLI process may grow out of memory space.

The permanentmsg descriptor available in the initialization file incorrectly takes precedence over a framemsg descriptor in a frame file.


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UnixWare 7 Release 7.1.4 - 27 April 2004