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What is the output from this command:

awk '!/initials: 1/' ORS="\n\n" RS= data|fgrep initial

nothing at all (after replacing data with myfile).
hmm...looks like my gawk (and awk) is broken on...

gawk '!/initials: 1/' ORS="\n\n" RS= myfile

Here's a sample of myfile where the second block should be deleted because of the pattern - initials: 1
dn: cn=LMP0330,ou=People,o=myOrg...

I can't get your version (nor ghostdog74) to output anything.
gawk '!/pattern/' ORS="\n\n" RS= myfile
Strange
... but at least the sed version works a treat!

The awk code looks straightforward but I could not get that code to work
gawk 'BEGIN {RS=""}/pattern/{next}' myfile
(I took out the 1 after next because I thought it was a typo... but in any case...

Thanks.
I've also been reading the relevant bits in Sed & Awk by Dale Dougherty and Arnold Robbins (O'Reilly). I understand the code now.

Yes. Thank you, Radoulov. You interpreted my question correctly. (Sorry, Franklin52 that it was none too clear).

I don't quite understand the above bit of code about the Set-Aside buffer (but I'll...

I have a file which contains blocks of text - each block is a multi-lines text delimited by blank lines eg.

<blank line>
several lines of text
...
pattern found on this line
several more lines...