I was using RTFs for a while before finally switching to LRF. LRF has these advantages:
- easy meta tags support (there is some support for metainformation in RTF, but it's pain in the ass to set it up)
- I never managed to put international characters into a RTF document
- images, intra-document links
- faster display, smaller size
- I used to have font size problems with RTF
- if I copied RTFs to the device directly, the result was pretty bad
- it is relativelly difficult to edit RTFs (change files from different sources into unified format); it is much easier with HTML, which can be easily converted to LRF.
As for LRF vs. EPUB:
- no international characters in EPUB for me (probably my own laziness, I am sure there are ways to modify the built-in fonts)
- no block justification!!!
- slower to display, reset the reader more often
- very slow intra-document links
- little point: it really makes little difference to me whether I convert my books (in HTML format) into EPUB or into LRF, so I stick with what works better for me (LRF)
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