Rob W. W. Hooft's spelling fixes for the Library Reference. I hope
SourceForge doesn't choke on this batch :-)

I'm not entirely sure this is 100% correct. The patch changes an
\index{persistency} to \index{presistence}, and I don't know what \index{}
does. But it seems to do so persi--er, consistently, so I hope it isn't a
problem.
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex
index 803d90b..cb55eb5 100644
--- a/Doc/lib/libos.tex
+++ b/Doc/lib/libos.tex
@@ -325,7 +325,7 @@
 \end{funcdesc}
 
 \begin{funcdesc}{fpathconf}{fd, name}
-Return system configration information relevant to an open file.
+Return system configuration information relevant to an open file.
 \var{name} specifies the configuration value to retrieve; it may be a
 string which is the name of a defined system value; these names are
 specified in a number of standards (\POSIX.1, Unix95, Unix98, and
@@ -575,7 +575,7 @@
 \end{funcdesc}
 
 \begin{funcdesc}{pathconf}{path, name}
-Return system configration information relevant to a named file.
+Return system configuration information relevant to a named file.
 \var{name} specifies the configuration value to retrieve; it may be a
 string which is the name of a defined system value; these names are
 specified in a number of standards (\POSIX.1, Unix95, Unix98, and
@@ -983,7 +983,7 @@
 \end{funcdesc}
 
 
-\subsection{Miscellanenous System Information \label{os-path}}
+\subsection{Miscellaneous System Information \label{os-path}}
 
 
 \begin{funcdesc}{confstr}{name}