From 8d3ac9bf0697814b36831771f8d1322ecd64cace Mon Sep 17 00:00:00 2001
From: David Purton <dcpurton@marshwiggle.net>
Date: Thu, 16 Nov 2017 21:34:12 +1030
Subject: [PATCH] More robust biblatex version checking

---
 latex/biblatex-sbl.def | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/latex/biblatex-sbl.def b/latex/biblatex-sbl.def
index 37be504..8404d6f 100644
--- a/latex/biblatex-sbl.def
+++ b/latex/biblatex-sbl.def
@@ -1,12 +1,12 @@
 \RequireBibliographyStyle{standard}
 \RequireBiber[3]
 
-% BibLaTeX version 3.5 or greater required
-\newdimen \biblatex@version
-\biblatex@version = \abx@version pt
-\ifdim \biblatex@version < 3.45pt
-  \PackageError{biblatex-sbl}{BibLaTeX v3.5 or greater is required}
-\fi
+% BibLaTeX version 2017/11/05 v3.8a or greater required
+\@ifpackagelater{biblatex}{2017/11/05}
+  {}
+  {\PackageError{biblatex-sbl}
+     {BibLaTeX v3.8a or greater is required}
+     {You need to update your TeX distribution to use biblatex-sbl.}}
 
 % Require xparse
 \RequirePackage{xparse}