Fix generation too long headline with ShortWords. Per http://archives.postgresql.org/pgsql-hackers/2008-09/msg01088.php
Fix generation too long headline with ShortWords.
Per http://archives.postgresql.org/pgsql-hackers/2008-09/msg01088.php

greenplum-db/gpdb,adam8157/gpdb,Chibin/gpdb,ovr/postgres-xl,yuanzhao/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,pavanvd/postgres-xl,xinzweb/gpdb,ovr/postgres-xl,ashwinstar/gpdb,Chibin/gpdb,yuanzhao/gpdb,50wu/gpdb,edespino/gpdb,snaga/postgres-xl,snaga/postgres-xl,arcivanov/postgres-xl,50wu/gpdb,lisakowen/gpdb,pavanvd/postgres-xl,ashwinstar/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,50wu/gpdb,kmjungersen/PostgresXL,snaga/postgres-xl,kmjungersen/PostgresXL,edespino/gpdb,postmind-net/postgres-xl,arcivanov/postgres-xl,adam8157/gpdb,Chibin/gpdb,adam8157/gpdb,Postgres-XL/Postgres-XL,ovr/postgres-xl,jmcatamney/gpdb,edespino/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,zeroae/postgres-xl,xinzweb/gpdb,tpostgres-projects/tPostgres,lisakowen/gpdb,50wu/gpdb,edespino/gpdb,adam8157/gpdb,Chibin/gpdb,arcivanov/postgres-xl,zeroae/postgres-xl,arcivanov/postgres-xl,edespino/gpdb,50wu/gpdb,techdragon/Postgres-XL,tpostgres-projects/tPostgres,zeroae/postgres-xl,zeroae/postgres-xl,jmcatamney/gpdb,ashwinstar/gpdb,oberstet/postgres-xl,50wu/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,edespino/gpdb,yuanzhao/gpdb,lisakowen/gpdb,xinzweb/gpdb,kmjungersen/PostgresXL,pavanvd/postgres-xl,Postgres-XL/Postgres-XL,ashwinstar/gpdb,yazun/postgres-xl,adam8157/gpdb,yazun/postgres-xl,jmcatamney/gpdb,edespino/gpdb,Postgres-XL/Postgres-XL,tpostgres-projects/tPostgres,yuanzhao/gpdb,lisakowen/gpdb,techdragon/Postgres-XL,tpostgres-projects/tPostgres,edespino/gpdb,oberstet/postgres-xl,yuanzhao/gpdb,postmind-net/postgres-xl,yuanzhao/gpdb,xinzweb/gpdb,kmjungersen/PostgresXL,yazun/postgres-xl,yazun/postgres-xl,yuanzhao/gpdb,arcivanov/postgres-xl,Chibin/gpdb,Chibin/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,yazun/postgres-xl,edespino/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,xinzweb/gpdb,ashwinstar/gpdb,techdragon/Postgres-XL,tpostgres-projects/tPostgres,edespino/gpdb,50wu/gpdb,lisakowen/gpdb,greenplum-db/gpdb,yuanzhao/gpdb,ashwinstar/gpdb,greenplum-db/gpdb,techdragon/Postgres-XL,lisakowen/gpdb,ovr/postgres-xl,50wu/gpdb,jmcatamney/gpdb,xinzweb/gpdb,pavanvd/postgres-xl,pavanvd/postgres-xl,ovr/postgres-xl,Chibin/gpdb,postmind-net/postgres-xl,yuanzhao/gpdb,adam8157/gpdb,oberstet/postgres-xl,Postgres-XL/Postgres-XL,kmjungersen/PostgresXL,adam8157/gpdb,Chibin/gpdb,greenplum-db/gpdb,Chibin/gpdb,jmcatamney/gpdb,lisakowen/gpdb,jmcatamney/gpdb,lisakowen/gpdb,xinzweb/gpdb,Chibin/gpdb,oberstet/postgres-xl,ashwinstar/gpdb,snaga/postgres-xl,adam8157/gpdb,snaga/postgres-xl,xinzweb/gpdb,arcivanov/postgres-xl