If you really care about the fonts and layout of the text youFor Unix platforms, there's Yudit, a fine Unicode editor, with better rendering than a lot of other applications I've seen (Mozilla, for example, does a pretty damn good job these days, but Devanagari, last I looked, still misplaced the short-i vowel sign. Yudit does its own TrueType rendering and groks anchor-points, so even the qamats in a final kaf in Code2000 is raised up nicely).
distribute, well, that's what PDF is for. If you don't want to use PDF,
but want to ensure that all your glyphs are displayed (possibly as a
nominal "code chart" glyph only), one alternative might be to recommend
the use of SC UniPad, a Unicode plain-text editor which can be
downloaded from <http://www.unipad.org>. UniPad includes a glyph for
every Unicode character except Plane 2, and if you are only using it as
a viewer, it is free.
I have fun playing with Yudit's keymap-creation abilities, which can also be used for wholesale file conversion, so I've played with ones that translate Michigan-Claremont Hebrew transliteration into Unicode (with extras added to make it easier for me to type, since it's easier for me to remember than "normal" Hebrew keyboards), Klingon transliteration into PUA, and a favorite if longwinded one that lets me type "WHITE SMILING FACE" and get â
~mark
