nisus.com

There is truly a crying need for a Word Processor (other than MS Weird) which can handle subscripts, superscripts, and symbol font without affecting line spacing. Suggesting use of Tex/LaTex is absurd: it makes MS Weird look user friendly. If Nisus Writer cannot implement this, the only realistic so...

Fixed line height is ESSENTIAL for scientific word processing, where use of sub- and superscripts is common, along with mixing of symbol font for Greek characters and another font. I am surprised that you lay the blame for not supporting this on Apple's text layout engine: Word supports this feature...