From: no.email@nospam.invalid   
      
   anton@mips.complang.tuwien.ac.at (Anton Ertl) writes:   
   > Why not?  For something like Roff (or TeX or Markdown etc.) the whole   
   > input file easily fits into RAM, so a line would fit, too.  The   
   > question is if the Forth system supports long lines in REFILL.   
      
   The target processor might not have that much ram.  Back in school I   
   used a version of Roff written for CP/M, which I ported to Turbo C for a   
   PC-XT clone.  On the other hand, none of my input files had very long   
   lines.  I was thinking of accomodating modern wysiwyg editors which   
   don't have line breaks except at the end of paragraphs.  Maybe that's   
   not worthwhile.   
      
   One obvious approach is to use READ-LINE, but this unfortunately seems   
   to throw away the newline at the end of the line read, so it's hard to   
   tell if a complete line has been read, or if the buffer has simply   
   gotten full.  Testing with gforth, if the buffer size is exactly the   
   line length, then FILE-POSITION points to just after the line, and the   
   next call to READ-LINE returns 0 chars.  No idea about other Forths.   
      
   > And here's the signficance of REFILLing.  You could pass everything to   
   > the text interpreter, and install the following recognizer sequence:   
   > First one that recognizes things like ".i\n", and second one that   
   > recognizes everything and then processes the line as ordinary words.   
      
   I'll see if I can figure out how to do that, though the target Forth   
   might not have recognizers.  What I wanted is a loop like   
     LOOP   
       READ a line;   
       IF line begins with ".", then pass the line to the text interpreter;   
       ELSE loop through the words on the line, copying them to the output   
          buffer or maybe to the output device   
     END LOOP   
      
   Getting words from the line should preferably use Forth's built-in   
   parser.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)