Thanks, Gilles. Our messages crossed. Ian
On Sun, Sep 6, 2009 at 3:12 AM, Gilles Kirouac<[email protected]> wrote: > Ian > > The needed ASCII expresssion is: > > suits =: 4 u: 9827 9830 9829 9824 > > I wrote that expresssion in Endnote[7] with a reference to > Playing Cards in Wikipedia. > > (#,$) suits NB. not 12! > 4 4 > > To insert playing cards symbols under Windows, one can use > the MS supplied Character Table ("Table des caractères" > on my French-Can system). There are javascript browsers for use > with any Internet browser supporting Unicode such as > http://www.soldin.de/about/2003-js_unibook/ > The problem is to find the category; with that particular one, > the Playing cards are in Miscellaneous Symbols. > > ~ Gilles > > ---------- Original Message ----------- > From: Ian Clark <[email protected]> > To: Programming forum <[email protected]> > Sent: Sun, 6 Sep 2009 02:07:48 +0100 > Subject: [Jprogramming] How do I enter a Unicode char in the J session? > >> Edn 2 (draft) of APWJ by Eugene McDonnell (p280) invites readers to >> enter the expression: >> >> suits=: 7&u: '♣♦♥♠' >> >> For readers of the ebook version, this expression copy/pastes nicely >> into the J session and behaves as expected. >> >> But novice readers of the paperback version may wonder how they can >> be expected to type ♣♦♥♠ without having keytops labelled ♣, >> ♦, ♥ and ♠. Short of directing readers to >> http://unicode.org/charts/ and inviting them to hunt/copy/paste ♣ >> etc (and I wouldn't know where to start looking... what alphabet is >> it, please?), I don't know how to answer this >> (a) succintly in the present example, eg to assign (suits=:...) >> using only ascii, >> (b) in general. >> >> Suggestions please? >> >> Another thing. The novice may well ask, why not: (suits=: >> '♣♦♥♠')? >> >> A footnote with a brief but clear explanation of why >> ($'♣♦♥♠') is not 4 but 12 would be helpful. (I don't >> consider the one-word answer utf8 to be an "explanation".) >> >> And has anyone written a unicode browser in J (the simpler the >> better) to insert a chosen char into the J window which works a bit >> like Menu >> > Insert > Symbol... in MSWord? If we have a Wiki page for it, it >> would be a courtesy to have a footnote directing readers there. >> >> Ian Clark >> for Vector Books. >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ------- End of Original Message ------- > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
