Traditionally, many systems programmers have customized Telon by altering the Telon macros.  There are three macros which are intended to be altered: PGMNAMES, TLNIIS, and USREDITS, so these macros are well documented, and when one systems programmer leaves, the next one can usually figure out what happened.

Changes made to other macros have proved to be much more hazardous: the macros are delivered completely undocumented, and written in the conditional assembly language which is so rarely used today.  When a new release of Telon (or even a PTF) is installed, or a change in system software results in some need to update the customization, considerable costs can occur trying to understand the situation.  Also CA often renames all the 'paragraph names' (labels) in a macro, making it even harder to move customization to the new release.

CASE Integrators has extensive experience in resolving such problems.   Our staff has extensive experience with the conditional assembly language, with the Telon macros, and with the various things systems programmers of the past have done to them.  Most clients would take between five and fifty times as long trying to do it themselves.

If you only want to go through this pain once, you might want to try our techniques of making customization release-independent.

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