Add a clarification to the floor1 decode spec, since I had to re-determine some of what  it says for myself after not thinking about it for 15-ish years.
Add a clarification to the floor1 decode spec, since I had to re-determine some of what 
it says for myself after not thinking about it for 15-ish years.

Also, fix an indentation bug that occurred due to TABs sneaking in

svn path=/trunk/vorbis/; revision=18181

ShiftMediaProject/vorbis,erikd/vorbis,mwgoldsmith/vorbis,mwgoldsmith/vorbis,mwgoldsmith/vorbis,emscripten-ports/Vorbis,emscripten-ports/Vorbis,ShiftMediaProject/vorbis,youfearm3/vorbis,felipebetancur/vorbis,youfearm3/vorbis,ShiftMediaProject/vorbis,erikd/vorbis,nicolaichuk/vorbis,ShiftMediaProject/vorbis,eidy/vorbis,erikd/vorbis,ShiftMediaProject/vorbis,nicolaichuk/vorbis,eidy/vorbis,felipebetancur/vorbis,emscripten-ports/Vorbis,youfearm3/vorbis,ksophocleous/vorbis,ksophocleous/vorbis,nicolaichuk/vorbis,youfearm3/vorbis,felipebetancur/vorbis,ShiftMediaProject/vorbis,emscripten-ports/Vorbis,mwgoldsmith/vorbis,felipebetancur/vorbis,ksophocleous/vorbis,eidy/vorbis,ksophocleous/vorbis,erikd/vorbis,eidy/vorbis,nicolaichuk/vorbis