They are special internally so that each verb/adverb/conjunction can be encoded by a single byte. It is a bug that the encoding is visible to the user.
On Mon, Oct 14, 2013 at 9:34 AM, Devon McCormick <[email protected]> wrote: > Why is the top half of a. special? I would think that all the documented > words J cares about are in the lower half. > > > On Mon, Oct 14, 2013 at 11:34 AM, Roger Hui <[email protected] > >wrote: > > > Convert 232 to hex and start looking for that. > > > > It'd be a really bad idea to depend on those encodings as that is > internal > > and may change without notice. > > > > > > On Mon, Oct 14, 2013 at 8:26 AM, Don Guinn <[email protected]> wrote: > > > > > The top half of a. is special when executing a sentence. Codes are > > assigned > > > to those bytes. I looked for the source but haven't found it yet. > > > > > > On Oct 14, 2013 8:50 AM, "Devon McCormick" <[email protected]> > wrote: > > > > > > > I have no expectation of the output. I only found it because I was > > > > checking all character combinations in a "try...catch" phrase to > > > determine > > > > which ones don't give an error. > > > > > > > > I did try it in J6 and it behaves the same way. I don't know if I > > have a > > > > copy of J5 anywhere. > > > > > > > > It's not important - it's just something that passes my simple test > yet > > > is > > > > not really a known J word. > > > > > > > > > > > > > > > > On Sun, Oct 13, 2013 at 11:47 PM, bill lam <[email protected]> > > wrote: > > > > > > > > > The string is invalid as utf8, what would you expect the output > > > > > should be? Not sure how it will run under J504. > > > > > > > > > > Вс, 13 окт 2013, Devon McCormick писал(а): > > > > > > While experimenting with executing randomly-generated snippets of > > J, > > > I > > > > > ran > > > > > > across this: > > > > > > > > > > > > (232{a.),'3' > > > > > > Φ3 > > > > > > ".(232{a.),'3' > > > > > > > > > > > > $".(232{a.),'3' > > > > > > 0 > > > > > > {.".(232{a.),'3' > > > > > > 0 > > > > > > '1 2 3',(232{a.),'3 4 5' > > > > > > 1 2 3Φ3 4 5 > > > > > > ".'1 2 3',(232{a.),'3 4 5' > > > > > > > > > > > > This high-bit character seems to return i.0 for any argument. > > > > > > > > > > > > -- > > > > > > Devon McCormick, CFA > > > > > > > > > ---------------------------------------------------------------------- > > > > > > For information about J forums see > > > http://www.jsoftware.com/forums.htm > > > > > > > > > > -- > > > > > regards, > > > > > ==================================================== > > > > > GPG key 1024D/4434BAB3 2008-08-24 > > > > > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > > > > > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > > > > > > > ---------------------------------------------------------------------- > > > > > For information about J forums see > > http://www.jsoftware.com/forums.htm > > > > > > > > > > > > > > > > > > > > -- > > > > Devon McCormick, CFA > > > > > ---------------------------------------------------------------------- > > > > For information about J forums see > http://www.jsoftware.com/forums.htm > > > ---------------------------------------------------------------------- > > > For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > > -- > Devon McCormick, CFA > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
