Use the \note and \warning macros where appropriate.
diff --git a/Doc/lib/libposixpath.tex b/Doc/lib/libposixpath.tex
index bc26ddd..1a5fd88 100644
--- a/Doc/lib/libposixpath.tex
+++ b/Doc/lib/libposixpath.tex
@@ -7,9 +7,9 @@
 This module implements some useful functions on pathnames.
 \index{path!operations}
 
-\strong{Warning:}  On Windows, many of these functions do not properly
+\warning{On Windows, many of these functions do not properly
 support UNC pathnames.  \function{splitunc()} and \function{ismount()}
-do handle them correctly.
+do handle them correctly.}
 
 
 \begin{funcdesc}{abspath}{path}