10 files changed, 10 insertions, 10 deletions
diff --git a/pkgs/tools/typesetting/biber/default.nix b/pkgs/tools/typesetting/biber/default.nix
index 1769a59520ba..2ad9b0465658 100644
--- a/pkgs/tools/typesetting/biber/default.nix
+++ b/pkgs/tools/typesetting/biber/default.nix
@@ -33,7 +33,7 @@ buildPerlPackage {
 
   meta = {
     description = "Backend for BibLaTeX";
-    license = "perl";
+    license = stdenv.lib.licenses.perl5;
     platforms = stdenv.lib.platforms.unix;
     maintainers = [ stdenv.lib.maintainers.ttuegel ];
   };
diff --git a/pkgs/tools/typesetting/docbook2x/default.nix b/pkgs/tools/typesetting/docbook2x/default.nix
index d7d3f6f92a22..78dac0c6aa4e 100644
--- a/pkgs/tools/typesetting/docbook2x/default.nix
+++ b/pkgs/tools/typesetting/docbook2x/default.nix
@@ -52,7 +52,7 @@ stdenv.mkDerivation rec {
       into the traditional Unix man page format and the GNU Texinfo
       format.
     '';
-    license = "MIT-style";
+    license = stdenv.lib.licenses.mit;
     homepage = http://docbook2x.sourceforge.net/;
   };
 }
diff --git a/pkgs/tools/typesetting/halibut/default.nix b/pkgs/tools/typesetting/halibut/default.nix
index 5a2c5fb2e067..48d1ebfc2762 100644
--- a/pkgs/tools/typesetting/halibut/default.nix
+++ b/pkgs/tools/typesetting/halibut/default.nix
@@ -27,6 +27,6 @@ stdenv.mkDerivation {
   meta = {
     description = "Documentation production system for software manuals";
     homepage = http://www.chiark.greenend.org.uk/~sgtatham/halibut/;
-    license = "free";
+    license = stdenv.lib.licenses.mit;
   };
 }
diff --git a/pkgs/tools/typesetting/lhs2tex/default.nix b/pkgs/tools/typesetting/lhs2tex/default.nix
index ce531a920223..0dcd82535eeb 100644
--- a/pkgs/tools/typesetting/lhs2tex/default.nix
+++ b/pkgs/tools/typesetting/lhs2tex/default.nix
@@ -18,7 +18,7 @@ cabal.mkDerivation (self: {
   meta = {
     homepage = "http://www.andres-loeh.de/lhs2tex/";
     description = "Preprocessor for typesetting Haskell sources with LaTeX";
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2;
     platforms = self.ghc.meta.platforms;
     hydraPlatforms = self.stdenv.lib.platforms.linux;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
diff --git a/pkgs/tools/typesetting/lout/default.nix b/pkgs/tools/typesetting/lout/default.nix
index 61e94d4d6185..c0fc43362971 100644
--- a/pkgs/tools/typesetting/lout/default.nix
+++ b/pkgs/tools/typesetting/lout/default.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
     # Wiki: http://lout.wiki.sourceforge.net/
     homepage = http://savannah.nongnu.org/projects/lout/;
 
-    license = "GPLv3+";
+    license = stdenv.lib.licenses.gpl3Plus;
 
     platforms = stdenv.lib.platforms.all;
     maintainers = [ stdenv.lib.maintainers.ludo ];
diff --git a/pkgs/tools/typesetting/pdftk/default.nix b/pkgs/tools/typesetting/pdftk/default.nix
index 28a43e69598c..c71bc3ba77c6 100644
--- a/pkgs/tools/typesetting/pdftk/default.nix
+++ b/pkgs/tools/typesetting/pdftk/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
   meta = {
     description = "Simple tool for doing everyday things with PDF documents";
     homepage = http://www.accesspdf.com/pdftk/;
-    license = "free";
+    license = stdenv.lib.licenses.gpl2;
     maintainers = with stdenv.lib.maintainers; [viric];
     platforms = with stdenv.lib.platforms; linux;
   };
diff --git a/pkgs/tools/typesetting/rubber/default.nix b/pkgs/tools/typesetting/rubber/default.nix
index 054632533a11..8344735606ca 100644
--- a/pkgs/tools/typesetting/rubber/default.nix
+++ b/pkgs/tools/typesetting/rubber/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
       of pdfLaTeX to produce PDF documents.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
 
     homepage = http://www.pps.jussieu.fr/~beffara/soft/rubber/;
   };
diff --git a/pkgs/tools/typesetting/tex/dblatex/default.nix b/pkgs/tools/typesetting/tex/dblatex/default.nix
index 6993158291c2..a68ab2d01b9e 100644
--- a/pkgs/tools/typesetting/tex/dblatex/default.nix
+++ b/pkgs/tools/typesetting/tex/dblatex/default.nix
@@ -55,6 +55,6 @@ stdenv.mkDerivation rec {
   meta = {
     description = "A program to convert DocBook to DVI, PostScript or PDF via LaTeX or ConTeXt";
     homepage = http://dblatex.sourceforge.net/;
-    license = "GPL";
+    license = stdenv.lib.licenses.gpl2Plus;
   };
 }
diff --git a/pkgs/tools/typesetting/tex/tex4ht/default.nix b/pkgs/tools/typesetting/tex/tex4ht/default.nix
index f903ef5792f4..69d02a275b34 100644
--- a/pkgs/tools/typesetting/tex/tex4ht/default.nix
+++ b/pkgs/tools/typesetting/tex/tex4ht/default.nix
@@ -30,6 +30,6 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://tug.org/tex4ht/";
     description = "a system to convert (La)TeX documents to HTML and various other formats";
-    license = "LPPL";		# LaTeX Project Public License
+    license = "LPPL-1.2";		# LaTeX Project Public License
   };
 }
diff --git a/pkgs/tools/typesetting/xmlto/default.nix b/pkgs/tools/typesetting/xmlto/default.nix
index bfc5efc73614..1b0602063e9e 100644
--- a/pkgs/tools/typesetting/xmlto/default.nix
+++ b/pkgs/tools/typesetting/xmlto/default.nix
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       necessary post-processing.
     '';
 
-    license = "GPLv2+";
+    license = stdenv.lib.licenses.gpl2Plus;
     homepage = https://fedorahosted.org/xmlto/;
   };
 }