Merge the following changes in the English version:
authors.sgml : 1.116 -> 1.117 contrib.sgml : 1.306 -> 1.310 hw.sgml : 1.83 -> 1.84 memoryuse.sgml : 1.11 -> 1.12 pgpkeys.sgml : 1.26 -> 1.28 relnotes.sgml : 1.27 -> 1.28 submitters.sgml : 1.234 -> 1.238