dsv/dsv: change indentation to tab instead of 4 spaces; fix typo

dsv/dsv

@@ -109,8 +109,7 @@ set_value()
 		A:|a:)	alias="$alias \"$value\"";;
 		D:|d:)	url=$value;;
 		Z:|z:)	zip=$value;;
-	"")
-		;;	# first iteration
+		"")	;;	# first iteration
 		*)	echo "unrecognized tag \"$tag\"" 2>&1
 			exit 1;;
 	esac
@@ -139,8 +138,10 @@ setup()
 		cat -E "$n" | sed 's/[^$]$/&\n/;s/$$//' | {
 			while read line; do
 				[ "$line" = "${line###}" ] || continue
-		tmp=`echo "$line" | awk '/^[^\t ]/ { print $1 }'`
-		tail=`echo "$line" | sed 's/^[^\t ]*[\t ]*//;s/[\t ]*$//'`
+				tmp=`echo "$line" |
+				    awk '/^[^\t ]/ { print $1 }'`
+				tail=`echo "$line" |
+				    sed 's/^[^\t ]*[\t ]*//;s/[\t ]*$//'`
 				if [ -z "$tmp" ]; then
 					[ -z "$tail" ] || value="$value $tail"
 				else
@@ -160,13 +161,20 @@ list()
 {
 	while true; do
 		if [ -d $DSV_DIR ]; then
-	    ls -b -1 $DSV_DIR | sed 's/^dsv-//p;d' | sed 's|%2F|/|g;s/%25/%/g'
+			ls -b -1 $DSV_DIR | sed 's/^dsv-//p;d' |
+			    sed 's|%2F|/|g;s/%25/%/g'
 		fi
 		up || break
 	done | sort | uniq | column
 }
 
 
+view()
+{
+	${DSV_VIEWER:-${DSV_PDFVIEWER:-xdg-open}} "$@"
+}
+
+
 search()
 {
 	while true; do
@@ -181,7 +189,7 @@ search()
 				if $path; then
 					echo "`pwd`/$DSV_DIR/$file"
 				elif ! $show_url; then
-		    ${DSV_VIEWER:-${DSV_PDFVIEWER:-xdg-open}} "$DSV_DIR/$file"
+					view "$DSV_DIR/$file"
 				fi
 				if $show_url; then
 					url=`sed 1d "$DSV_DIR/dsv-$name"`
@@ -189,7 +197,8 @@ search()
 						echo "$url"
 					else
 						echo "$DSV_DIR/dsv-$name" \
-			  "does not contain an URL - please regenerate" 1>&2
+						    "does not contain a URL" \
+						    "- please regenerate" 1>&2
 						exit 1
 					fi
 				fi