1: All the pages end with a NULL character (null terminator), NEVER delete that. If you delete it when editing pages in SCEdit, it will mess up the lines in-game.
2: Removing the TAB space doesn't change anything for the Wii files. If you are editing the files for the PS3, better keep it. Probably it is needed there.
3: If you want to use those files in the wii version, you must remove the pages 1 and 10 with mamu's batch remover and remove the tags (CHT_MSxxx_xxx for cht_ms files and CHT_SBxxx_xxx for cht_sb) manually in SCEdit. (because there is no tool for it right now )
Edit: please ignore that. I tested the files a little more and here are my finds: