At least I assumed that that is equivalent to the current definition. It seems to work the same way as the current internal ;: definition.
On Fri, Nov 20, 2020 at 8:51 AM Don Guinn <[email protected]> wrote: > You are correct. They are not. I took their definitions from one of the > beta forum messages concerning the implementation of Direct Definition. I > am showing them below. > > > mj=: 256$0 NB. X other > mj=: 1 (9,a.i.' ')}mj NB. S space and tab > mj=: 2 (,(a.i.'Aa')+/i.26)}mj NB. A A-Z a-z excluding N B > mj=: 3 (a.i.'N')}mj NB. N the letter N > mj=: 4 (a.i.'B')}mj NB. B the letter B > mj=: 5 (a.i.'0123456789_')}mj NB. 9 digits and _ > mj=: 6 (a.i.'.')}mj NB. . the decimal point > mj=: 7 (a.i.':')}mj NB. : the colon > mj=: 8 (a.i.'''')}mj NB. Q quote > mj=: 9 (a.i.'{')}mj NB. { the left curly brace > mj=:10 (10)}mj NB. LF and CR > mj=:11 (a.i.'}')}mj NB. } the right curly brace > > NB. mj=: 2 (128+i.128) }mj > > sj=: 0 10#:10*}.".;._2(0 :0) > ' X S A N B 9 . : Q { } LF ']0 > 1.1 0.0 2.1 3.1 2.1 6.1 1.1 1.1 7.1 11.1 10.1 12.1 NB. 0 space > 1.2 0.3 2.2 3.2 2.2 6.2 1.0 1.0 7.2 11.2 10.2 12.2 NB. 1 other > 1.2 0.3 2.0 2.0 2.0 2.0 1.0 1.0 7.2 11.2 10.2 12.2 NB. 2 alp/num > 1.2 0.3 2.0 2.0 4.0 2.0 1.0 1.0 7.2 11.2 10.2 12.2 NB. 3 N > 1.2 0.3 2.0 2.0 2.0 2.0 5.0 1.0 7.2 11.2 10.2 12.2 NB. 4 NB > 9.0 9.0 9.0 9.0 9.0 9.0 1.0 1.0 9.0 9.0 10.2 9.0 NB. 5 NB. > 1.4 0.5 6.0 6.0 6.0 6.0 6.0 1.0 7.4 11.4 10.2 12.4 NB. 6 num > 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 8.0 7.0 7.0 7.0 NB. 7 ' > 1.2 0.3 2.2 3.2 2.2 6.2 1.2 1.2 7.0 11.2 10.2 12.2 NB. 8 '' > 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 9.0 10.2 9.0 NB. 9 comment > 1.2 0.2 2.2 3.2 2.2 6.2 1.0 1.0 7.2 11.2 10.2 12.2 NB. 10 LF > 1.2 0.3 2.2 3.2 2.2 6.2 1.0 1.0 7.2 13.0 10.2 1.2 NB. 11 { > 1.2 0.3 2.2 3.2 2.2 6.2 1.0 1.0 7.2 1.2 10.2 14.0 NB. 12 } > 1.2 0.3 2.2 3.2 2.2 6.2 1.7 1.7 7.2 1.2 10.2 1.2 NB. 13 {{ > 1.2 0.3 2.2 3.2 2.2 6.2 1.7 1.7 7.2 1.2 10.2 1.2 NB. 14 }} > ) > > On Fri, Nov 20, 2020 at 8:32 AM Henry Rich <[email protected]> wrote: > >> What are sj/mj? They are not part of the JE, right? I think you are >> saying that (x ;: y) can be used to parse well-formed UTF-8 with a small >> change to the input translation. >> >> Henry Rich >> >> On 11/20/2020 10:17 AM, Don Guinn wrote: >> > Sequential machine does not do well when dealing with UTF-8. It works >> well >> > within comments (NB.) and literals ('⌹'), but outside those cases it >> makes >> > a mess. >> > >> > >> > Given some of the changes to ;: in the beta it seems that it would be >> > desirable to have UTF-8 handled outside of comments and literals as >> handled >> > in them. There is a simple change that can be made to mj that >> accomplishes >> > that. Simply assigning the value 2 for letters for the range 128+i.128 >> > accomplishes that making UTF-8 like letters a-z and A-Z. >> > >> > >> > I don't know where J will be going with UTF-8 and other unicode >> handling, >> > but this seems to me to help in the handling of UTF-8 in the sequential >> > machine. >> > >> > >> > Example shown below: >> > >> > NB. Definitions for sj and mj not shown but as >> > >> > NB. the current beta. >> > >> > NB. A noun to show the handling of UTF-8 in ;: >> > >> > test=:{{)n >> > >> > The symbol for the Euro is ₠ >> > >> > Other symbols like π show up also >> > >> > How about ⌹ in APL >> > >> > Common expressions like 'H₂O' for water >> > >> > Common expressions like H₂O for water >> > >> > }} >> > >> > NB. How ;: in beta handles it >> > >> > ,.<;.2(0;sj;mj);:test >> > >> > +-----------------------------------------------+ >> > >> > |+---+------+---+---+----+--+-+-+-+-+ | >> > >> > ||The|symbol|for|the|Euro|is|â|‚| | | | >> > >> > |+---+------+---+---+----+--+-+-+-+-+ | >> > >> > +-----------------------------------------------+ >> > >> > |+-----+-------+----+-+-+----+--+----+-+ | >> > >> > ||Other|symools|like|Ï|€|show|up|also| | | >> > >> > |+-----+-------+----+-+-+----+--+----+-+ | >> > >> > +-----------------------------------------------+ >> > >> > |+---+-----+-+-+-+--+---+-+ | >> > >> > ||How|about|â|Œ|¹|in|APL| | | >> > >> > |+---+-----+-+-+-+--+---+-+ | >> > >> > +-----------------------------------------------+ >> > >> > |+------+-----------+----+-----+---+-----+-+ | >> > >> > ||Common|expressions|like|'H₂O'|for|water| | | >> > >> > |+------+-----------+----+-----+---+-----+-+ | >> > >> > +-----------------------------------------------+ >> > >> > |+------+-----------+----+-+-+-+-+-+---+-----+-+| >> > >> > ||Common|expressions|like|H|â|‚|‚|O|for|water| || >> > >> > |+------+-----------+----+-+-+-+-+-+---+-----+-+| >> > >> > +-----------------------------------------------+ >> > >> > NB. Assigning UTF8 as character >> > >> > mj=: 2 (128+i.128)}mj >> > >> > NB. How UTF-8 is now handled >> > >> > ,.<;.2(0;sj;mj);:test >> > >> > +-------------------------------------------+ >> > >> > |+---+------+---+---+----+--+-+-+ | >> > >> > ||The|symbol|for|the|Euro|is|₠| | | >> > >> > |+---+------+---+---+----+--+-+-+ | >> > >> > +-------------------------------------------+ >> > >> > |+-----+-------+----+-+----+--+----+-+ | >> > >> > ||Other|symools|like|π|show|up|also| | | >> > >> > |+-----+-------+----+-+----+--+----+-+ | >> > >> > +-------------------------------------------+ >> > >> > |+---+-----+-+--+---+-+ | >> > >> > ||How|about|⌹|in|APL| | | >> > >> > |+---+-----+-+--+---+-+ | >> > >> > +-------------------------------------------+ >> > >> > |+------+-----------+----+-----+---+-----+-+| >> > >> > ||Common|expressions|like|'H₂O'|for|water| || >> > >> > |+------+-----------+----+-----+---+-----+-+| >> > >> > +-------------------------------------------+ >> > >> > |+------+-----------+----+---+---+-----+-+ | >> > >> > ||Common|expressions|like|H₂O|for|water| | | >> > >> > |+------+-----------+----+---+---+-----+-+ | >> > >> > +-------------------------------------------+ >> > ---------------------------------------------------------------------- >> > For information about J forums see http://www.jsoftware.com/forums.htm >> >> >> -- >> This email has been checked for viruses by AVG. >> https://www.avg.com >> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm >> > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
