Table:
text: Comparison of e-book formats
Features
Features
Format Filename_extension Image_support Interactivity_support Word_wrap_support Open_standard
DjVu .djvu Yes No No Yes
EPUB (IDPF) .epub Yes Yes Yes yes
FictionBook .fb2 Yes No Yes Yes
HTML .html Yes No Yes Yes
Kindle .azw Yes Yes Yes No
Microsoft Reader .lit Yes No Yes No
Mobipocket .prc, .mobi Yes Yes Yes No
Multimedia EBook .exe Yes Yes No Yes
Newton Book .pkg Yes Yes Yes Yes
eReader .pdb Yes No Yes No
Plain text .txt No No Yes Yes
Plucker .pdb Yes Yes Yes Yes
Portable Document Format .pdf Yes Yes Yes Though not all readers implement support Yes
PostScript .ps Yes No No Yes

Question: Comparing e-book formats, what line break support does a mobipocket format have?

Question: What interactivity support does a fiction format have compared to e-book formats?