This is some text to filter and stuff. Hopefully that . will not become '..'
when the filter is run on this text. It should, however, '..' the next line
. The previous . should become .. in the output file, or so I hope...

.
..
...
....

Once this text is decoded again, the above set of dots should look like:

 .
 ..
 ...
 ....

Only it shouldn't be indented, obviously.

Jeff