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10.2 FORM Strings

The format of a FORM string in GNAT is:


where letters may be in upper or lower case, and there are no spaces between values. The order of the entries is not important. Currently the following keywords defined.


The use of these parameters is described later in this section. If an unrecognized keyword appears in a form string, it is silently ignored and not considered invalid.

For OpenVMS additional FORM string keywords are available for use with RMS services. The syntax is:


The following RMS keywords and values are currently defined:


VMS RMS keys are silently ignored on non-VMS systems. On OpenVMS unimplented RMS keywords, values, or invalid syntax will raise Use_Error.