+20110716
+ + replace an assert() in _nc_Free_Argument() with a regular null
+ pointer check (report/analysis by Franjo Ivancic).
+ + modify configure --enable-pc-files option to take into account the
+ PKG_CONFIG_PATH variable (report by Frederic L W Meunier).
+ + add/use xterm+tmux chunk from xterm #271 -TD
+ + resync xterm-new entry from xterm #271 -TD
+ + add E3 extended capability to linux-basic (Miroslav Lichvar)
+ + add linux2.2, linux2.6, linux3.0 entries to give context for E3 -TD
+ + add SI/SO change to linux2.6 entry (Debian #515609) -TD
+ + fix inconsistent tabset path in pcmw (Todd C. Miller).
+ + remove a backslash which continued comment, obscuring altos3
+ definition with OpenBSD toolset (Nicholas Marriott).
+