Add tex macro lkproof for making proof figures.

svn path=/nixpkgs/trunk/; revision=25277

pkgs/misc/tex/lkproof/default.nix

@@ -0,0 +1,17 @@
+{stdenv, fetchurl, unzip}:
+
+stdenv.mkDerivation {
+  name = "lkproof-3.1";
+  
+  src = fetchurl {
+    url = http://mirror.ctan.org/macros/latex/contrib/lkproof.zip;
+    sha256 = "1qjkjhpc4rm62qxn18r83zdlwnj1wvnkcpdiqlv7w4bakh0gvjly";
+  };
+  
+  buildInputs = [ unzip ];
+
+  installPhase = "
+    ensureDir $out/share/texmf-nix/tex/generic/lkproof
+    cp -prd *.sty $out/share/texmf-nix/tex/generic/lkproof
+  ";
+}

pkgs/top-level/all-packages.nix

@@ -7270,6 +7270,8 @@ let
     tex = tetex;
   };
 
+  lkproof = callPackage ../misc/tex/lkproof { };
+
   mysqlWorkbench = newScope gnome ../applications/misc/mysql-workbench {
     lua = lua5;
     inherit (pythonPackages) pexpect paramiko;