From 55119febaa69f5ffba8fb68fb0d126a6e510088e Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Sat, 22 Aug 2020 03:03:28 +0000
Subject: CTAN sync 202008220303

---
 .../biblatex-contrib/biblatex-ext/ext-biblatex-aux.def        | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

(limited to 'macros/latex/contrib/biblatex-contrib/biblatex-ext/ext-biblatex-aux.def')

diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-ext/ext-biblatex-aux.def b/macros/latex/contrib/biblatex-contrib/biblatex-ext/ext-biblatex-aux.def
index 78aa666d6d..80541eaf0f 100644
--- a/macros/latex/contrib/biblatex-contrib/biblatex-ext/ext-biblatex-aux.def
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-ext/ext-biblatex-aux.def
@@ -1,9 +1,9 @@
 \ProvidesFile{ext-biblatex-aux.def}
-  [2020/08/09 v0.8g auxiliaries for extended biblatex citation style
+  [2020/08/21 v0.9 auxiliaries for extended biblatex citation style
    (MW)]
 
-\def\extblx@requiredbiblatexversion{3.14}
-\def\extblx@requiredbiblatexdate{2019/12/01}
+\def\extblx@requiredbiblatexversion{3.15}
+\def\extblx@requiredbiblatexdate{2020/08/19}
 
 \protected\def\extblx@info{\PackageInfo{biblatex-ext}}
 \protected\def\extblx@warning{\PackageWarning{biblatex-ext}}
@@ -279,6 +279,11 @@
    \let\DeclareBiblatexOption\extblx@DeclareBiblatexOption}
   {}
 
+% generalised keyval interface (biblatex 3.15)
+% https://github.com/plk/biblatex/pull/991
+% \blx@kv@undef relying on keyval definitions
+\providecommand*{\blx@kv@undef}[2]{\csundef{KV@#1@#2}}
+
 \endinput
 %
 % This file is part of the biblatex-ext bundle.
-- 
cgit v1.2.3

