whitespaces

diff --git a/usr.bin/m4/NOTES b/usr.bin/m4/NOTES
index d60f80e..e2da04b 100644 (file)
--- a/usr.bin/m4/NOTES
+++ b/usr.bin/m4/NOTES
@@ -1,8 +1,8 @@
 m4 - macro processor
 
-PD m4 is based on the macro tool distributed with the software 
-tools (VOS) package, and described in the "SOFTWARE TOOLS" and 
-"SOFTWARE TOOLS IN PASCAL" books. It has been expanded to include 
+PD m4 is based on the macro tool distributed with the software
+tools (VOS) package, and described in the "SOFTWARE TOOLS" and
+"SOFTWARE TOOLS IN PASCAL" books. It has been expanded to include
 most of the command set of SysV m4, the standard UN*X macro processor.
 
 Since both PD m4 and UN*X m4 are based on SOFTWARE TOOLS macro,
@@ -31,12 +31,12 @@ References:
 
 Implementation Notes:
 
-[1]    PD m4 uses a different (and simpler) stack mechanism than the one 
-       described in Software Tools and Software Tools in Pascal books. 
-       The triple stack thing is replaced with a single stack containing 
-       the call frames and the arguments. Each frame is back-linked to a 
-       previous stack frame, which enables us to rewind the stack after 
-       each nested call is completed. Each argument is a character pointer 
+[1]    PD m4 uses a different (and simpler) stack mechanism than the one
+       described in Software Tools and Software Tools in Pascal books.
+       The triple stack thing is replaced with a single stack containing
+       the call frames and the arguments. Each frame is back-linked to a
+       previous stack frame, which enables us to rewind the stack after
+       each nested call is completed. Each argument is a character pointer
        to the beginning of the argument string within the string space.
        The only exceptions to this are (*) arg 0 and arg 1, which are
        the macro definition and macro name strings, stored dynamically