diff --git a/bin/makebook b/bin/makebook
index bd40b84..93913e0 100755
--- a/bin/makebook
+++ b/bin/makebook
@@ -6,9 +6,9 @@
 #
 #**********************************************************#
 #                       makebook                           #
-#          written by Donald P. Goodman III                #
-#          Copyright (C) 2011                              #
-#                                                          #
+#  	     written by Donald P. Goodman III	 	           #
+#		   Copyright (C) 2011			                   #
+#							                               #
 #	       Impose pdf pages for binding		               #
 #**********************************************************#
 #
@@ -60,27 +60,27 @@ VERT_OFFSET=0
 SCALE=1
 # make sure user has the right programs installed, and die
 # horribly if not
-command -v od >/dev/null 2>&1 ||
+command -v od >/dev/null 2>&1 || 
 	{ echo >&2 "makebook:  error:  requires od, but it's not installed";
 	exit $E_NO_PROG;
 	}
-command -v pdflatex >/dev/null 2>&1 ||
+command -v pdflatex >/dev/null 2>&1 || 
 	{ echo >&2 "makebook:  error:  requires pdflatex, but it's not installed";
 	exit $E_NO_PROG;
 	}
-command -v pdfinfo >/dev/null 2>&1 ||
+command -v pdfinfo >/dev/null 2>&1 || 
 	{ echo >&2 "makebook:  error:  requires pdfinfo, but it's not installed";
 	exit $E_NO_PROG;
 	}
-command -v pdftk >/dev/null 2>&1 ||
+command -v pdftk >/dev/null 2>&1 || 
 	{ echo >&2 "makebook:  error:  requires pdftk, but it's not installed";
 	exit $E_NO_PROG;
 	}
-command -v dc >/dev/null 2>&1 ||
+command -v dc >/dev/null 2>&1 || 
 	{ echo >&2 "makebook:  error:  requires dc, but it's not installed";
 	exit $E_NO_PROG;
 	}
-command -v bc >/dev/null 2>&1 ||
+command -v bc >/dev/null 2>&1 || 
 	{ echo >&2 "makebook:  error:  requires bc, but it's not installed";
 	exit $E_NO_PROG;
 	}
@@ -103,8 +103,8 @@ helpfunc ()
 cat <<End-of-help
 makebook v${REVISION}.  Copyright (C) 2011, Donald P. Goodman III.
 This program comes with ABSOLUTELY NO WARRANTY.
-This is free software, and you are welcome to
-redistribute it under certain conditions; see
+This is free software, and you are welcome to 
+redistribute it under certain conditions; see 
 the GNU GPL v3 for details.
 
 -V:	Prints license and version information, then exits
@@ -136,7 +136,7 @@ unitarg ()
 	then
 		echo "ERROR:  dimension \"$1\" not valid." >&2
 		exit $E_BAD_UNIT
-	fi
+	fi	
 	if [ `expr match "$1" '.*\(in\)'` ]
 	then
 		OPTARG=`echo "scale=0; ${1%in} * 72" | bc`
@@ -374,8 +374,8 @@ fi
 tmp=`expr $NUM_PAGES + $NUM_BLANKS`
 if [ $VERBOSE -eq 1 ]
 then
-	echo "IMPOSING $NUM_PAGES pages ($tmp with blanks) on
-	$(dc -e "$NUM_SIGS $SECT_TYPE * p") signature(s) gathered in
+	echo "IMPOSING $NUM_PAGES pages ($tmp with blanks) on 
+	$(dc -e "$NUM_SIGS $SECT_TYPE * p") signature(s) gathered in 
 	sections of $SECT_TYPE signature(s) each...";
 fi
 # arrange the pages for impression on signatures
@@ -643,8 +643,8 @@ fi
 if [ $VERBOSE -eq 1 ]
 then
 	echo "`expr $NUM_PAGES + $NUM_BLANKS` pages imposed in
-	$(dc -e "$NUM_SIGS $SECT_TYPE * p") $SIG_TYPE signatures gathered
-	in sections of $SECT_TYPE signature(s) each and output to
+	$(dc -e "$NUM_SIGS $SECT_TYPE * p") $SIG_TYPE signatures gathered 
+	in sections of $SECT_TYPE signature(s) each and output to 
 	${OUTFILE_NAME%.pdf}.pdf."
 fi
 if [ "$OUTFILE_NAME" = "stdout" ]