100/245: gnu: Add texlive-gu.

[guix-commits]

ngz pushed a commit to branch master
in repository guix.

commit 32667e936f9b7d327d621bc9ee3da177b2b09735
Author: Nicolas Goaziou <mail@nicolasgoaziou.fr>
AuthorDate: Sun Jul 30 16:21:49 2023 +0200

    gnu: Add texlive-gu.
    
    * gnu/packages/tex.scm (texlive-gu): New variable.
---
 gnu/packages/tex.scm | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/gnu/packages/tex.scm b/gnu/packages/tex.scm
index faa179e516..ac782405c6 100644
--- a/gnu/packages/tex.scm
+++ b/gnu/packages/tex.scm
@@ -3870,6 +3870,27 @@ concept-script in the style of his @emph{Grundgesetze 
der Arithmetik} (Basic
 Laws of Arithmetic).")
     (license license:gpl2)))
 
+(define-public texlive-gu
+  (package
+    (name "texlive-gu")
+    (version (number->string %texlive-revision))
+    (source (texlive-origin
+             name version
+             (list "doc/latex/gu/" "tex/latex/gu/")
+             (base32
+              "13gw8gk03s3ha7xwn6vfix7w50if3gvlqywn1l6z5zi3qbfaapvr")))
+    (outputs '("out" "doc"))
+    (build-system texlive-build-system)
+    (home-page "https://ctan.org/pkg/gu";)
+    (synopsis "Typeset crystallographic group-subgroup-schemes")
+    (description
+     "The package simplifies typesetting of simple crystallographic
+group-subgroup-schemes in the Barnighausen formalism.  It defines a new
+environment @code{stammbaum}, wherein all elements of the scheme are defined.
+Afterwards all necessary dimensions are calculated and the scheme is drawn.
+Currently two steps of symmetry reduction are supported.")
+    (license license:lppl)))
+
 (define-public texlive-bibtex8
   (package
     (name "texlive-bibtex8")