Brings acme(4)'s description of reading from the addr file in line
with the code.

Reference: /n/sources/patch/applied/man-acme-addr-correction
Date: Sat Mar 11 21:11:02 CET 2006
Signed-off-by: micah@stetsonnet.org

--- /sys/man/4/acme	Sat Mar 11 21:09:55 2006
+++ /sys/man/4/acme	Sat Mar 11 21:09:52 2006
@@ -147,18 +147,11 @@
 When read, it returns the value of the address that would next be read
 or written through the
 .B data
-file, in the format
-.BI # m ,# n
-where
-.I m
-and
-.I n
-are character (not byte) offsets.  If
-.I m
-and
-.I n
-are identical, the format is just
-.BI # m\f1.
+file, in the form of two 11-digit decimal numbers,
+each with leading blanks and a trailing blank.
+These are character (not byte) offsets.
+The address covers the range from just before the character at the first offset
+to just before the character at the last offset.
 Thus a regular expression may be evaluated by writing it to
 .B addr
 and reading it back.