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

If metaf.pl is used with format=text, the output is now XHTML (with the
UI) if the client accepts this media type, otherwise plain text (without
the UI); this avoids issues with the encoding of special HTML symbols in
messages and translations. The release has further changes to adapt to the
new NOAA AWC Data API. Obscuration in METAR remarks can now have multiple
cloud layers. A missing prevailing visibility in METAR is now warned
about. The total cloud cover in SYNOP BUFR is not converted to oktas
anymore.

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

xsl, sum, ui, cgi, install.pl, README:
    * format=text: use XHTML if browser accepts it, else plain text.
      revert 7dbaf8f (to escape '<') which didn't apply to translations
      add metaf-xml.xsl, metaf-sum-xml.xsl, so XHTML could also be
      used for format=html
cgi:
    * adapt to changed NOAA AWC Data API
parser, xsl, dtd:
    * METAR remarks: obscuration can have multiple cloud layers
parser, dtd, lang:
    * METAR: allow and warn about missing prevailing visibility
bufr, dtd, xsl, sum:
    * SYNOP (BUFR): do not convert total cloud cover to oktas
ui-html, ui-html-sum:
    * rename from fullhtml and sum-ui
parser, src2raw, metaf2xml.pl, metafsrc2raw.pl, cgi:
    * improve POD

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

e1fa420: improve POD

640fbe3: minor changes
  including:
  - SYNOP (BUFR): do not convert total cloud cover to oktas
  - sum: METAR, TAF: also show clouds from obscurations

f0642b1: METAR: allow and warn about missing prevailing visibility

e790d2a: cgi: adapt to changed NOAA AWC Data API

d61e4f0: minor changes

be13df6: ui-html, ui-html-sum: rename from fullhtml and sum-ui

79219da: xsl, sum, ui, cgi, install.pl, README: improvements for format=text
  format=text: use XHTML if browser accepts it, else plain text.
  revert 7dbaf8f (to escape '<') which didn't apply to translations
  add metaf-xml.xsl, metaf-sum-xml.xsl, so XHTML could also be
  used for format=html

bb5af98: parser, xsl, dtd: METAR remarks: obscuration can have multiple cloud layers

3e825b8: minor changes