[tex4ht] [bug #447] biblatex 3.14

[JürgenSpitzmüller]

URL:
  <http://puszcza.gnu.org.ua/bugs/?447>

                 Summary: biblatex 3.14
                 Project: tex4ht
            Submitted by: jspitzm
            Submitted on: Fri 20 Dec 2019 08:41:03 AM EET
                Category: None
                Priority: 5 - Normal
                Severity: 5 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

As of biblatex 3.14, \blx at maplang is only defined \AtBeginPreamble. This
breaks with current biblatex.4ht. The following fixes it (biblatex.4ht
l.224ff.):

+ \AtBeginDocument{%
  \@ifpackageloaded{babel}
        {% This is required for languages which are never explicitly selected
          % It seems this code was executed also with Polyglossia, where it
caused compilation error
          \@ifpackageloaded{polyglossia}{}{%
          \def\do#1{\blx at lbxinput{#1}{}{}}%
       \ifx\@empty\bbl at loaded\else%
         \expandafter\docsvlist\expandafter{\bbl at loaded}%
        \fi}}{}%
+}




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