DBCS users can use alternate message, panel, and skeleton libraries. To do so, the DBCS versions of the libraries must have been allocated using these ddnames:

ISPMALT

Alternate message library

ISPPALT

Alternate panel library

ISPSALT

Alternate skeleton library.

You can allocate these libraries when you allocate the distributed ISPF libraries. If the alternate libraries are allocated and the terminal has DBCS capability, ISPF uses the alternate libraries. If either of these two conditions is not satisfied, ISPF uses the distributed libraries.