PEL statements are identified by right parenthesis in the first and second positions of the panel line.
Comment lines are identified by
))* beginning in column
one. These lines are ignored by ISPF.
Some PEL statements place a dependency on the availability of DSC
in the ISPF session. Some may be optional, and provide support for
panel elements that are not needed when DSC is not active. To allow
use of PEL statements within panels that are sometimes processed outside
the DSC environment, the leading left parentheses may be replaced
with the tag
The alternate tag starts with the standard comment indicator, and
is valid for non-BODY sections of the panel.
For example, these two lines provide the identical function: