Nice.

The expression in ascmap after the comma can also be 
stated as:

   (' ',x) {~ (i.->./t) </ t=. +/\1 _1 0 {~ '()' i. y

In addition, using box drawing characters and fixing
the "off-by-1" effect of the closing parens, we get:

map=: 3 : 0
 (9!:6 '') map y
:
 b=. (i.->./t) </ t=. +/\1 _1 0 {~ '()' i. y
 y , (2 #.\"(1) 0,.b) { ' ',6 8 10{x
)

   f=: [: (#~ (0 ~: 1&{"1))@; <@(0&{ ,. 1&{ ([EMAIL PROTECTED] ,. (] +//. ["0) 
,. [ * [EMAIL PROTECTED]) 2&}.)"1

   map 5!:5 <'f'
[: (#~ (0 ~: 1&{"1))@; <@(0&{ ,. 1&{ ([EMAIL PROTECTED] ,. (] +//. ["0) ,. [ * 
[EMAIL PROTECTED]) 2&}.)"1
                                              └──────────┘                    
       └──────────┘                  └───────────────────────────────┘        
   └───────────────┘     └─────────────────────────────────────────────────┘  



----- Original Message -----
From: Oleg Kobchenko <[EMAIL PROTECTED]>
Date: Tuesday, July 29, 2008 23:38
Subject: Re: [Jgeneral] tracing tacit definition execution
To: General forum <[email protected]>

> Here's a spacious version of the same idea.
> 
>    ascmap=: '-'&$: : (4 : 'y,|.|:x#~"0+/\1 _1 0{~y i.~40 41{a.')
> 
>    ascmap S
> [: (#~ (0 ~: 1&{"1))@; <@(0&{ ,. 1&{ ([EMAIL PROTECTED] ,. (] +//. ["0) ,. 
> [ * [EMAIL PROTECTED]) 2&}.)"1
>                                               -----------                     
>        -----------
>                    --------------------------------         
>    ----------------      -----
> ---------------------------------------------   
> 
>    ascmap 5!:5<'assert'
> 0 0"_ $ 13!:8^:((0: e. ])`(12"_))
>                 --------  -----  
>                ----------------- 
> 
>    ascmap 5!:5<'table'
> 1 : (':'; '((([EMAIL PROTECTED])5!:5<''u'');,.y),.({.;}.)":x,y u/x')~
>              -----------                                      
>             -----------------------                           
>            ----
> -------------------------   ------
>              
>     ----------------------------------------------
> ----------  
> 
>    ascmap 5!:5<'toCRLF'
> 2&}.@:;@:((13{a.)&,&.>@<;.1@((10{a.)&,)@toJ)
>                              ------         
>           ------
>             ----------      
>          ----------------
> ------------------ 
> 
>    ascmap 5!:5<'deb'
> #~ (+. (1: |. (> </\)))@(' '&~:)
>               ------            
>        --------------
>            
>    -------------------  ------- 
> 
>    load'printf'
>    ascmap 5!:5<'formatS_jprintf_'
> ;:^:_1@:(":&.>)^:(32&=@(3!:0)) :((((<. #) {. ])~ 2&{)~ 
> ;:^:_1@:(":&.>)^:(32&=@(3!:0)))                                   -----       
>                                        
>                                   ------------                                
> -----   
>                        -----     -------------------           ------   
> ------------  
>         ------   ---
> ---------   -------------------------------------------
> ---------- 
> 
> 
> 
> 
> > Roger Hui <[EMAIL PROTECTED]> wrote:
> > 
> >    map=: 3 : 't ,: 1":+/\(''(''=t)+_1}.0,-
> '')''=t=. 5!:5 y'
> >    f=: [: (#~ (0 ~: 1&{"1))@; <@(0&{ ,. 1&{ 
> ([EMAIL PROTECTED] ,. (] +//. ["0) ,. [ * [EMAIL PROTECTED]) 
> > 2&}.)"1
> > 
> >    map <'f'
> > [: (#~ (0 ~: 1&{"1))@; <@(0&{ ,. 1&{ ([EMAIL PROTECTED] ,. (] +//. ["0) 
> ,. [ * [EMAIL PROTECTED]) 2&}.)"1
> > 
> 000111122222222222210000011111111111122222222233333333333322222222222211111100>
>  
> > Areas of equal depths should be joined together, unless 
> separated 
> > by an area of lesser depth.
> > 
> > Works for paren nesting of depth up to 9.
> > 
> > 
> > 
> > ----- Original Message -----
> > From: Oleg Kobchenko 
> > Date: Tuesday, July 29, 2008 21:05
> > Subject: Re: [Jgeneral] RE: tracing tacit definition execution
> > To: General forum 
> > 
> > ...
> > > Here is a compact way to graphically box nested expressions,
> > > which preserves compact linear form. You can easily doodle 
> it 
> > > manually, while visually scanning the structure.
> > > 
> > >  http://www.jsoftware.com/jwiki/OlegKobchenko/Map_Display
> > > 
> > > By its likeness, it is called Map Display.
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