Пустые dafault оставляем как <default/>

kometa-std-desktop-1.3/previewplugins.filetrigger

@@ -22,9 +22,12 @@ then
 		gend=$(cat $f | grep -n "</group>" | egrep -o "^[0-9]+")
 		awk "NR>=$gstart && NR<=$gend" $f > $g
 		awk "NR<$gstart" $f > $t
-		xmlstarlet edit -u "/group/entry[@name='previewPlugins']/default" -v "audiothumbnail,ffmpegthumbs,imagethumbnail,exrthumbnail,jpegthumbnail,windowsimagethumbnail,svgthumbnail,windowsexethumbnail,comicbookthumbnail,directorythumbnail,fontthumbnail,blenderthumbnail,rawthumbnail,ebookthumbnail" $g | awk "NR>1" >> $t
+		xmlstarlet edit -u "/group/entry[@name='previewPlugins']/default" \
+		    -v "audiothumbnail,ffmpegthumbs,imagethumbnail,exrthumbnail,jpegthumbnail,\
+		    windowsimagethumbnail,svgthumbnail,windowsexethumbnail,comicbookthumbnail,\
+		    directorythumbnail,fontthumbnail,blenderthumbnail,rawthumbnail,ebookthumbnail" \
+		    $g | awk "NR>1" >> $t
 		awk "NR>$gend" $f >> $t
-		sed -i "s/<default\/>/<default><\/default>/g" $t
 		mv -f $t $mf
 	fi
 fi