gnu: Add texlive-biblatex-spbasic.

* gnu/packages/tex.scm (texlive-biblatex-spbasic): New variable.

gnu/packages/tex.scm

@@ -4515,6 +4515,26 @@ (define-public texlive-biblatex-source-division
 square brackets may include the division specification.")
     (license license:lppl1.3+)))
 
+(define-public texlive-biblatex-spbasic
+  (package
+    (name "texlive-biblatex-spbasic")
+    (version (number->string %texlive-revision))
+    (source (texlive-origin
+             name version
+             (list "doc/latex/biblatex-spbasic/"
+                   "tex/latex/biblatex-spbasic/")
+             (base32
+              "071d1iqy1scz3wncsfv1backp5b7ly28rn5k0wy67wwz1vxa0d17")))
+    (outputs '("out" "doc"))
+    (build-system texlive-build-system)
+    (home-page "https://ctan.org/pkg/biblatex-spbasic")
+    (synopsis "BibLaTeX style emulating Springer's old @file{spbasic.bst}")
+    (description
+     "This package provides a bibliography and citation style for BibLaTeX and
+Biber for typesetting articles for Springer's journals.  It is the same as the
+old BibTeX style @file{spbasic.bst}.")
+    (license license:lppl)))
+
 (define-public texlive-bibleref
   (package
     (name "texlive-bibleref")