May be this test page ? http://www.i18nguy.com/unicode/supplementary-test.html
2017-11-13 20:38 GMT+01:00 James Kass via Unicode <[email protected]>: > A font's sample text can be used in place of the default "The quick > brown fox..." text which is used to illustrate the typeface in > applications which support that feature. > > One approach would be to find a non-gibberish text string using some > Plane 2 characters and add the BMP glyphs to the font mapped to the > BMP PUA. Because if only a handful of BMP CJK glyphs were added to > the font mapped to their standard code points, the font might need to > claim to support BMP CJK (when in fact it does not) in order to > display the sample text. Or, (if standard code points are used) the > font might be auto-detected as supporting BMP CJK by some > applications, when it doesn't really support that range. > > On Mon, Nov 13, 2017 at 10:20 AM, Peter Constable via Unicode > <[email protected]> wrote: > > I’m wondering if anyone could come up with a string of 15 to 40 > characters _using only plane 2 characters_ that wouldn’t be gibberish? > > > > We are considering adding sample-text strings in some of our fonts. (In > OpenType, the ‘name’ table can take sample-text strings using name ID 19.) > One particular issue we have is the Simsun-ExtB and MingLiU-ExtB fonts, > which have CJK characters from plane 2 only. > > > > Background: > > The Simsun-ExtB and MingLiU-ExtB fonts are meant to complement the > Simsun and MingLiU fonts: the combined glyph count exceeds the number of > glyphs that can be added in a single OpenType font, and so the “ExtB” fonts > are used to contain all of the Plane 2 characters that are supported. For > example, the Simsun font supports 28738 BMP characters, and no plane 2 > characters, while Simsun-ExtB supports the Basic Latin block from the BMP > plus 47,293 plane 2 characters. The combined glyph count exceeds 64K, so > can’t go into a single font. > > > > > > > > Peter > >

