Documentation polishing.

NEWS

@@ -8,6 +8,9 @@ on user-visible changes.
 
 == Repository head ==
 
+A new visualization tool, ntpviz, generates graphical summaries of
+logfile data that can be helpful 
+
 usestats has been added to the statistics collection to record
 system resource usage statistics.
 

docs/includes/ntpviz-body.txt

@@ -16,7 +16,9 @@
 
 This utility analyzes files in an NTP log directory and generates
 statistical plots from them.  It can report either PNG images or
-the GNUPLOT programs to generate them to standard output.
+the GNUPLOT programs to generate them to standard output.  In its
+default mode it generates an HTML directory containing all polots
+and an index page.
 
 The most basic option is -d, which specifies a logfile directory to
 examine; the default is /var/log/ntpstats.

ntpstats/ntpstats.py

@@ -98,8 +98,9 @@ class NTPStats:
         if key[0].isdigit():
             # TO BE REMOVED SOMEDAY
             # Clock address - only possible if we're looking at a logfile made
-            # by NTP Classic or an NTPsec version before 0.4.  Nasty that we
-            # have to emit a numeric driver type here.
+            # by NTP Classic or an NTPsec version configured with
+            # --enable-classic-mode.  Nasty that we have to emit a numeric
+            # driver type here.
             if key.startswith("127.127."):
                 (_, _, t, u) = key.split(".")
                 return "REFCLOCK(ttype=%s,unit=%s)" % (t, u)