Update references specifying "Macintosh" to mean OS X semantics and not Mac OS
9.

Applies patch #1095802.  Thanks Jack Jansen.
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index 6cf0b2b..c48f249 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -3105,8 +3105,7 @@
 written.  This behind-the-scenes modification to file data is fine for
 \ASCII{} text files, but it'll corrupt binary data like that in JPEGs or
 \file{.EXE} files.  Be very careful to use binary mode when reading and
-writing such files.  (Note that the precise semantics of text mode on
-the Macintosh depends on the underlying C library being used.)
+writing such files.
 
 \subsection{Methods of File Objects \label{fileMethods}}