gnu: Add texlive-glossaries-extra.

* gnu/packages/tex.scm (texlive-glossaries-extra): New variable.

gnu/packages/tex.scm

@@ -7115,6 +7115,27 @@ (define-public texlive-gloss-occitan
 Polyglossia.")
     (license license:lppl1.3+)))
 
+(define-public texlive-glossaries-extra
+  (package
+    (name "texlive-glossaries-extra")
+    (version (number->string %texlive-revision))
+    (source (texlive-origin
+             name version
+             (list "bibtex/bib/glossaries-extra/"
+                   "doc/latex/glossaries-extra/"
+                   "source/latex/glossaries-extra/"
+                   "tex/latex/glossaries-extra/")
+             (base32
+              "0s075syzxyz4mkdmq3y4xk38gb9ip19k0cdrlymmixd7jiawvlm8")))
+    (outputs '("out" "doc"))
+    (build-system texlive-build-system)
+    (home-page "https://ctan.org/pkg/glossaries-extra")
+    (synopsis "Extension to the @code{glossaries} package")
+    (description
+     "This package provides improvements and extra features to the
+@code{glossaries} package.")
+    (license license:lppl1.3+)))
+
 (define-public texlive-gmverse
   (package
     (name "texlive-gmverse")