;;06-08-85
                         PAIRP.DOC v1.0
                            06/14/85

Eric Gans
French Dep't UCLA
Los Angeles, CA 90024

     After  writing the WordStar control-character checker  PAIRX 
(now  in version 1.2),  I thought I'd try something  similar  for 
Perfect Writer.   I don't use PW,  but some of my friends do, and 
apparently  although  there  is some error  checking  for  missed 
"fences"  one  still has to keep watch over the printer lest  one 
underline a page or two.

     PAIRP  is intended as a partial solution for  that  problem.  
It  will  inform you of any "fenced" areas exceeding the  maximum 
number  of lines (default=1),  as well as of any fences  you  may 
have  forgotten  to close altogether.   It checks (after  "@"  of 
course)   for   all   six  fences  listed  in  the   PW   Manual: 
(),[],{},<>,"", and ''.

Format: pairp [d:]filename [maxln]

MAXLN  is  the  allowable number of  lines  between  opening  and 
closing a fence.   The default is 1, but you can input any number 
from 0 to 255.  The program will output:

     1)  opening  and  closing lines for fences more  than  MAXLN 
apart,  along  with  the fences and the commands  to  which  they 
belong.

     2) opening lines for fences unclosed at the end of the file.  
Since the fence structure is hierarchical,  I have allowed for 50 
levels.  (If  you've got more than 50 open fences,  something  is 
wrong somewhere!)

     3)  To keep you busy,  a running total of lines read (up  to 
65535).

To change the default MAXLN setting, just change the byte at 102H 
with DDT, etc. (SRW will do it faster).

If there are any PW users out there who need something like this, 
and/or can suggest useful modifications, please don't hesitate to 
let me know; this program is meant to be practical.