> Bruno> U+27E8..27E9 are MATHEMATICAL LEFT/RIGHT ANGLE BRACKET and
> Bruno> were introduced in Unicode 3.2. The glyphs are very similar
> Bruno> (see http://www.unicode.org/charts/symbols.html under
> Bruno> "Misc. Math Symbols A" and "Miscellaneous Technical"). Why
> Bruno> prefer one over the other?
>
> FWIW, those two glyphs are from the Symbol font. devutf8 probably
> uses them because the ps device uses Symbol to display la and ra.
No, the reason is that U+2329 and U+232A are canonically identical to
U+3008 and U+3009, respectively, for historical reasons. Normally,
the latter two glyphs (which are in the CJK punctuation range) are
displayed as double-width characters.
Werner
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