On Mon, 26 Dec 2011 16:04:01 -0600, John McKown wrote:

>What PARMLIB member is it that allows >8 characters between periods? I
>just can't seem to find it.
> 
(more)

    http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/dgt2d4a0/1.1.9

When you invoke Dynamic Allocation services or directly invoke SVC 26, it is 
possible to create data set names that are not valid. When the CATALOG routine 
is called to add the data set to a catalog, there is no way to determine 
whether the original name was in JCL or whether quotation marks delimit the 
name. The catalog component validates the syntax of a data set name and fails 
the request if the syntax is not valid, unless the syntax-checking option for 
data set names is off. See the description of the MODIFY CATALOG command's 
DSNCHECK parameter in z/OS DFSMS Managing Catalogs. 

    http://publibz.boulder.ibm.com/cgi-bin/bookmgr_OS390/BOOKS/dgt2c190/8.6

    MODIFY CATALOG,ENABLE(DSNCHECK)
    MODIFY CATALOG,DISABLE(DSNCHECK) 

The MODIFY CATALOG command allows you to alter a number of attributes that are 
initialized at IPL time. Many of these attributes are initialized by the 
SYSCATxx member of SYS1.NUCLEUS. 

Closer, but no Holy Grail.  Perhaps it's not in PARMLIB.

-- gil

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