Misc Mac mods by Jack.  Added libmacic.tex, and these patches:

libmacfs.tex	Document NewAliasMinimalFromFullPath
libmacos.tex	Document SetEventHandler and SchedParams
libmacui.tex	Document asynchronous event handling
libmailbox.tex	Removed mime-turds that somehow got in here
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index 442de74..b2d596f 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -195,6 +195,7 @@
 \input{libmacconsole}
 \input{libmacdnr}
 \input{libmacfs}
+\input{libmacic}
 \input{libmacos}
 \input{libmacostools}
 \input{libmactcp}