Description of changes for this release
=======================================

The processing of message files from NWS was improved. 'M' is recognised
as missing in METAR. The METAR remark for a phenomenon can have multiple
phenomena. Several smaller improvements were made and a few bugs were
fixed.

Change log for this release
===========================

parser, xsl, dtd, lang:
    * process dispatch visual range
    * METAR remarks: remark can have multiple phenomena
parser:
    * simplify handling of msgModified and ERROR
    * METAR: process 'M' (= missing in SAO format) for wind, visibility,
      weather, temperature, QNH
src2raw:
    * nws_metaf: improve detection of start of message, improve parsing
metafsrc2raw.pl:
    * check for duplicates in the last 20,000 messages, only

Git commits since previous release
==================================

8c0e553: minor changes
  
  including:
  - BUOY (BUFR): process water currents
  - wind (table 0877, BUFR): isCalm only if direction=0 and speed=0

7ff05a2: minor changes

b20986a: METAR remarks: remark can have multiple phenomena

81c876a: minor changes

fbfa3b4: parser: METAR: process 'M' (= missing in SAO format)

94bd95f: parser, xsl, dtd, lang: process dispatch visual range

c5b36c0: parser: simplify handling of msgModified and ERROR

3632fe4: improve processing in src2raw.pm, metafsrc2raw.pl