Minor formatting and comments changes

todo.sh

@@ -373,9 +373,8 @@ _list() {
     LINES=$( wc -l "$src" | sed 's/ .*//' )
     PADDING=${#LINES}
 
-    ## Search pattern or patterns specified; parse the file and then
-    ## grep for each pattern afterwords.
-
+    ## Number, sort, and mangle the file, then run the filter command,
+    ## then mangle the file some more
     command=$(
         sed = "$src"                                            \
         | sed "N; s/^/     /; s/ *\(.\{$PADDING,\}\)\n/\1 /"    \