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/PATTERN/,/^$/{/^$/d; p}
/PATTERN/,/^$/ match lines from PATTERN to empty line.
{/^$/d; p} remove (d) the lines being on ^$ format, print (p) the rest.
U. Schäfer, B. Kiefer, C. Spurk, J. Steffen, и R. Wang. Proceedings of the ACL-HLT 2011 System Demonstrations, стр. 7--13. Portland, Oregon, Association for Computational Linguistics, (июня 2011)
A. Schein, A. Popescul, L. Ungar, и D. Pennock. Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, стр. 253--260. New York, NY, USA, ACM, (2002)