diff --git a/pkgs/tools/text/catdocx/default.nix b/pkgs/tools/text/catdocx/default.nix
index adf78397fcb..c762e15c80e 100644
--- a/pkgs/tools/text/catdocx/default.nix
+++ b/pkgs/tools/text/catdocx/default.nix
@@ -1,7 +1,8 @@
 { stdenv, lib, fetchFromGitHub, makeWrapper, unzip, catdoc }:
 
 stdenv.mkDerivation {
-  name = "catdocx-20170102";
+  pname = "catdocx";
+  version = "unstable-2017-01-02";
 
   src = fetchFromGitHub {
     owner = "jncraton";
diff --git a/pkgs/tools/text/convertlit/default.nix b/pkgs/tools/text/convertlit/default.nix
index 18dc01c01d0..4225934d2d4 100644
--- a/pkgs/tools/text/convertlit/default.nix
+++ b/pkgs/tools/text/convertlit/default.nix
@@ -1,10 +1,11 @@
 {lib, stdenv, fetchzip, libtommath}:
 
-stdenv.mkDerivation {
-  name = "convertlit-1.8";
+stdenv.mkDerivation rec {
+  pname = "convertlit";
+  version = "1.8";
 
   src = fetchzip {
-    url = "http://www.convertlit.com/convertlit18src.zip";
+    url = "http://www.convertlit.com/convertlit${lib.replaceStrings ["."] [""] version}src.zip";
     sha256 = "182nsin7qscgbw2h92m0zadh3h8q410h5cza6v486yjfvla3dxjx";
     stripRoot = false;
   };
diff --git a/pkgs/tools/text/diffstat/default.nix b/pkgs/tools/text/diffstat/default.nix
index c8ff1e973a5..3e156cf3132 100644
--- a/pkgs/tools/text/diffstat/default.nix
+++ b/pkgs/tools/text/diffstat/default.nix
@@ -1,12 +1,13 @@
 { fetchurl, lib, stdenv }:
 
 stdenv.mkDerivation rec {
-  name = "diffstat-1.64";
+  pname = "diffstat";
+  version = "1.64";
 
   src = fetchurl {
     urls = [
-      "ftp://ftp.invisible-island.net/diffstat/${name}.tgz"
-      "https://invisible-mirror.net/archives/diffstat/${name}.tgz"
+      "ftp://ftp.invisible-island.net/diffstat/diffstat-${version}.tgz"
+      "https://invisible-mirror.net/archives/diffstat/diffstat-${version}.tgz"
     ];
     sha256 = "sha256-uK7jjZ0uHQWSbmtVgQqdLC3UB/JNaiZzh1Y6RDbj9/w=";
   };
diff --git a/pkgs/tools/text/ebook-tools/default.nix b/pkgs/tools/text/ebook-tools/default.nix
index bb93b217ea2..1a46110e2a4 100644
--- a/pkgs/tools/text/ebook-tools/default.nix
+++ b/pkgs/tools/text/ebook-tools/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, cmake, pkg-config, libxml2, libzip }:
 
 stdenv.mkDerivation rec {
-  name = "ebook-tools-0.2.2";
+  pname = "ebook-tools";
+  version = "0.2.2";
 
   src = fetchurl {
-    url = "mirror://sourceforge/ebook-tools/${name}.tar.gz";
+    url = "mirror://sourceforge/ebook-tools/ebook-tools-${version}.tar.gz";
     sha256 = "1bi7wsz3p5slb43kj7lgb3r6lb91lvb6ldi556k4y50ix6b5khyb";
   };
 
diff --git a/pkgs/tools/text/html2text/default.nix b/pkgs/tools/text/html2text/default.nix
index ae92f3ba9d9..fff3e44baf6 100644
--- a/pkgs/tools/text/html2text/default.nix
+++ b/pkgs/tools/text/html2text/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl }:
 
-stdenv.mkDerivation {
-  name = "html2text-1.3.2a";
+stdenv.mkDerivation rec {
+  pname = "html2text";
+  version = "1.3.2a";
 
   src = fetchurl {
-    url = "http://www.mbayer.de/html2text/downloads/html2text-1.3.2a.tar.gz";
+    url = "http://www.mbayer.de/html2text/downloads/html2text-${version}.tar.gz";
     sha256 = "000b39d5d910b867ff7e087177b470a1e26e2819920dcffd5991c33f6d480392";
   };
 
diff --git a/pkgs/tools/text/kakasi/default.nix b/pkgs/tools/text/kakasi/default.nix
index 609b8aff9b5..d2cf1f701ee 100644
--- a/pkgs/tools/text/kakasi/default.nix
+++ b/pkgs/tools/text/kakasi/default.nix
@@ -1,7 +1,8 @@
 { lib, stdenv, fetchurl, libiconv }:
 
 stdenv.mkDerivation rec {
-  name = "kakasi-2.3.6";
+  pname = "kakasi";
+  version = "2.3.6";
 
   buildInputs = lib.optional stdenv.isDarwin [ libiconv ];
 
@@ -18,7 +19,7 @@ stdenv.mkDerivation rec {
   };
 
   src = fetchurl {
-    url = "http://kakasi.namazu.org/stable/${name}.tar.xz";
+    url = "http://kakasi.namazu.org/stable/kakasi-${version}.tar.xz";
     sha256 = "1qry3xqb83pjgxp3my8b1sy77z4f0893h73ldrvdaky70cdppr9f";
   };
 
diff --git a/pkgs/tools/text/mairix/default.nix b/pkgs/tools/text/mairix/default.nix
index 57e05bf19f6..aa58ecdd35a 100644
--- a/pkgs/tools/text/mairix/default.nix
+++ b/pkgs/tools/text/mairix/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, zlib, bzip2, bison, flex }:
 
 stdenv.mkDerivation rec {
-  name = "mairix-0.24";
+  pname = "mairix";
+  version = "0.24";
 
   src = fetchurl {
-    url = "mirror://sourceforge/mairix/${name}.tar.gz";
+    url = "mirror://sourceforge/mairix/mairix-${version}.tar.gz";
     sha256 = "0msaxz5c5hf7k1ci16i67m4ynrbrpsxbqzk84nz6z2vnkh3jww50";
   };
 
diff --git a/pkgs/tools/text/mawk/default.nix b/pkgs/tools/text/mawk/default.nix
index d5f228d7873..62a23318ca2 100644
--- a/pkgs/tools/text/mawk/default.nix
+++ b/pkgs/tools/text/mawk/default.nix
@@ -1,12 +1,13 @@
 { lib, stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "mawk-1.3.4-20200120";
+  pname = "mawk";
+  version = "1.3.4-20200120";
 
   src = fetchurl {
     urls = [
-      "ftp://ftp.invisible-island.net/mawk/${name}.tgz"
-      "https://invisible-mirror.net/archives/mawk/${name}.tgz"
+      "ftp://ftp.invisible-island.net/mawk/mawk-${version}.tgz"
+      "https://invisible-mirror.net/archives/mawk/mawk-${version}.tgz"
     ];
     sha256 = "0dw2icf8bnqd9y0clfd9pkcxz4b2phdihwci13z914mf3wgcvm3z";
   };
diff --git a/pkgs/tools/text/mpage/default.nix b/pkgs/tools/text/mpage/default.nix
index 99cfec97a70..b48f89d6618 100644
--- a/pkgs/tools/text/mpage/default.nix
+++ b/pkgs/tools/text/mpage/default.nix
@@ -1,9 +1,11 @@
 { fetchurl, lib, stdenv }:
 
 stdenv.mkDerivation rec {
-  name = "mpage-2.5.7";
+  pname = "mpage";
+  version = "2.5.7";
+
   src = fetchurl {
-    url = "http://www.mesa.nl/pub/mpage/${name}.tgz";
+    url = "https://www.mesa.nl/pub/mpage/mpage-${version}.tgz";
     sha256 = "1zn37r5xrvjgjbw2bdkc0r7s6q8b1krmcryzj0yf0dyxbx79rasi";
   };
 
diff --git a/pkgs/tools/text/multitran/data/default.nix b/pkgs/tools/text/multitran/data/default.nix
index a94f5bc9688..bfc148df782 100644
--- a/pkgs/tools/text/multitran/data/default.nix
+++ b/pkgs/tools/text/multitran/data/default.nix
@@ -6,7 +6,9 @@
 # The store file mentioned is in "${glibc.out}/lib/locale/locale-archive"
 
 stdenv.mkDerivation {
-  name = "multitran-data-0.3";
+  pname = "multitran-data";
+  version = "0.3";
+
   src = fetchurl {
       url = "mirror://sourceforge/multitran/multitran-data.tar.bz2";
       sha256 = "9c2ff5027c2fe72b0cdf056311cd7543f447feb02b455982f20d4a3966b7828c";
diff --git a/pkgs/tools/text/multitran/libbtree/default.nix b/pkgs/tools/text/multitran/libbtree/default.nix
index 893c1e1d931..91c4bb0ea7f 100644
--- a/pkgs/tools/text/multitran/libbtree/default.nix
+++ b/pkgs/tools/text/multitran/libbtree/default.nix
@@ -1,9 +1,11 @@
 {lib, stdenv, fetchurl} :
 
-stdenv.mkDerivation {
-  name = "libbtree-0.0.1alpha2";
+stdenv.mkDerivation rec {
+  pname = "libbtree";
+  version = "0.0.1alpha2";
+
   src = fetchurl {
-    url = "mirror://sourceforge/multitran/libbtree-0.0.1alpha2.tar.bz2";
+    url = "mirror://sourceforge/multitran/libbtree-${version}.tar.bz2";
     sha256 = "34a584e45058950337ff9342693b6739b52c3ce17e66440526c4bd6f9575802c";
   };
   patchPhase = ''
diff --git a/pkgs/tools/text/multitran/libfacet/default.nix b/pkgs/tools/text/multitran/libfacet/default.nix
index 3895f3a922c..0e6dd0d6e65 100644
--- a/pkgs/tools/text/multitran/libfacet/default.nix
+++ b/pkgs/tools/text/multitran/libfacet/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, libmtsupport }:
 
-stdenv.mkDerivation {
-  name = "libfacet-0.0.1alpha2";
+stdenv.mkDerivation rec {
+  pname = "libfacet";
+  version = "0.0.1alpha2";
 
   src = fetchurl {
-    url = "mirror://sourceforge/multitran/libfacet-0.0.1alpha2.tar.bz2";
+    url = "mirror://sourceforge/multitran/libfacet-${version}.tar.bz2";
     sha256 = "dc53351c4035a3c27dc6c1d0410e808346fbc107e7e7c112ec65c59d0df7a144";
   };
 
diff --git a/pkgs/tools/text/multitran/libmtquery/default.nix b/pkgs/tools/text/multitran/libmtquery/default.nix
index 3b7dd681e8a..5cc8e724e71 100644
--- a/pkgs/tools/text/multitran/libmtquery/default.nix
+++ b/pkgs/tools/text/multitran/libmtquery/default.nix
@@ -1,9 +1,11 @@
 {lib, stdenv, fetchurl, libmtsupport, libfacet, libbtree, multitrandata } :
 
-stdenv.mkDerivation {
-  name = "libmtquery-0.0.1alpha3";
+stdenv.mkDerivation rec {
+  pname = "libmtquery";
+  version = "0.0.1alpha3";
+
   src = fetchurl {
-    url = "mirror://sourceforge/multitran/libmtquery-0.0.1alpha3.tar.bz2";
+    url = "mirror://sourceforge/multitran/libmtquery-${version}.tar.bz2";
     sha256 = "e24c7c15772445f1b14871928d84dd03cf93bd88f9d2b2ed1bf0257c2cf2b15e";
   };
 
diff --git a/pkgs/tools/text/multitran/libmtsupport/default.nix b/pkgs/tools/text/multitran/libmtsupport/default.nix
index eebc88189f2..454709b8eb7 100644
--- a/pkgs/tools/text/multitran/libmtsupport/default.nix
+++ b/pkgs/tools/text/multitran/libmtsupport/default.nix
@@ -1,9 +1,11 @@
 {lib, stdenv, fetchurl} :
 
-stdenv.mkDerivation {
-  name = "libmtsupport-0.0.1alpha2";
+stdenv.mkDerivation rec {
+  pname = "libmtsupport";
+  version = "0.0.1alpha2";
+
   src = fetchurl {
-    url = "mirror://sourceforge/multitran/libmtsupport-0.0.1alpha2.tar.bz2";
+    url = "mirror://sourceforge/multitran/libmtsupport-${version}.tar.bz2";
     sha256 = "481f0f1ec15d7274f1e4eb93e7d060df10a181efd037eeff5e8056d283a9298b";
   };
   patchPhase = ''
diff --git a/pkgs/tools/text/multitran/mtutils/default.nix b/pkgs/tools/text/multitran/mtutils/default.nix
index 00325276fdb..2428caada5b 100644
--- a/pkgs/tools/text/multitran/mtutils/default.nix
+++ b/pkgs/tools/text/multitran/mtutils/default.nix
@@ -1,9 +1,11 @@
 {lib, stdenv, fetchurl, libmtsupport, libfacet, libbtree, libmtquery, help2man} :
 
-stdenv.mkDerivation {
-  name = "mt-utils-0.0.1alpha3";
+stdenv.mkDerivation rec {
+  pname = "mt-utils";
+  version = "0.0.1alpha3";
+
   src = fetchurl {
-      url = "mirror://sourceforge/multitran/mt-utils-0.0.1alpha3.tar.bz2";
+      url = "mirror://sourceforge/multitran/mt-utils-${version}.tar.bz2";
       sha256 = "e407702c90c5272882386914e1eeca5f6c5039393af9a44538536b94867b0a0e";
   };
 
diff --git a/pkgs/tools/text/qprint/default.nix b/pkgs/tools/text/qprint/default.nix
index e2621ab1876..19f2d7b1cbd 100644
--- a/pkgs/tools/text/qprint/default.nix
+++ b/pkgs/tools/text/qprint/default.nix
@@ -1,10 +1,11 @@
 { fetchurl, lib, stdenv }:
 
 stdenv.mkDerivation rec {
-  name = "qprint-1.1";
+  pname = "qprint";
+  version = "1.1";
 
   src = fetchurl {
-    url = "https://www.fourmilab.ch/webtools/qprint/${name}.tar.gz";
+    url = "https://www.fourmilab.ch/webtools/qprint/qprint-${version}.tar.gz";
     sha256 = "1701cnb1nl84rmcpxzq11w4cyj4385jh3gx4aqxznwf8a4fwmagz";
   };
 
diff --git a/pkgs/tools/text/sgml/openjade/default.nix b/pkgs/tools/text/sgml/openjade/default.nix
index 785ef320596..f87bd5d7b1a 100644
--- a/pkgs/tools/text/sgml/openjade/default.nix
+++ b/pkgs/tools/text/sgml/openjade/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, opensp, perl }:
 
 stdenv.mkDerivation rec {
-  name = "openjade-1.3.2";
+  pname = "openjade";
+  version = "1.3.2";
 
   src = fetchurl {
-    url = "mirror://sourceforge/openjade/${name}.tar.gz";
+    url = "mirror://sourceforge/openjade/openjade-${version}.tar.gz";
     sha256 = "1l92sfvx1f0wmkbvzv1385y1gb3hh010xksi1iyviyclrjb7jb8x";
   };
 
diff --git a/pkgs/tools/text/sgml/opensp/default.nix b/pkgs/tools/text/sgml/opensp/default.nix
index 1c9131d29dc..6924c8953ee 100644
--- a/pkgs/tools/text/sgml/opensp/default.nix
+++ b/pkgs/tools/text/sgml/opensp/default.nix
@@ -1,11 +1,12 @@
 { lib, stdenv, fetchurl, fetchpatch, xmlto, docbook_xml_dtd_412
 , libxslt, docbook_xsl, autoconf, automake, gettext, libiconv, libtool}:
 
-stdenv.mkDerivation {
-  name = "opensp-1.5.2";
+stdenv.mkDerivation rec {
+  pname = "opensp";
+  version = "1.5.2";
 
   src = fetchurl {
-    url = "mirror://sourceforge/openjade/OpenSP-1.5.2.tar.gz";
+    url = "mirror://sourceforge/openjade/OpenSP-${version}.tar.gz";
     sha256 = "1khpasr6l0a8nfz6kcf3s81vgdab8fm2dj291n5r2s53k228kx2p";
   };
 
diff --git a/pkgs/tools/text/uni2ascii/default.nix b/pkgs/tools/text/uni2ascii/default.nix
index e2bda04d13f..d83e9393f94 100644
--- a/pkgs/tools/text/uni2ascii/default.nix
+++ b/pkgs/tools/text/uni2ascii/default.nix
@@ -1,9 +1,11 @@
 { lib, stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
-  name = "uni2ascii-4.18";
+  pname = "uni2ascii";
+  version = "4.18";
+
   src = fetchurl {
-    url = "https://billposer.org/Software/Downloads/${name}.tar.gz";
+    url = "https://billposer.org/Software/Downloads/uni2ascii-${version}.tar.gz";
     sha256 = "03lklnzr6ngs4wqiqa7rifd246f441gfvardbsaa5l6fn9pbn94y";
   };
 
diff --git a/pkgs/tools/text/xml/xml2/default.nix b/pkgs/tools/text/xml/xml2/default.nix
index 4c312250bf6..265ab10e5ac 100644
--- a/pkgs/tools/text/xml/xml2/default.nix
+++ b/pkgs/tools/text/xml/xml2/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, pkg-config, libxml2 }:
 
-stdenv.mkDerivation {
-  name = "xml2-0.5";
+stdenv.mkDerivation rec {
+  pname = "xml2";
+  version = "0.5";
 
   src = fetchurl {
-    url = "https://web.archive.org/web/20160427221603/http://download.ofb.net/gale/xml2-0.5.tar.gz";
+    url = "https://web.archive.org/web/20160427221603/http://download.ofb.net/gale/xml2-${version}.tar.gz";
     sha256 = "01cps980m99y99cnmvydihga9zh3pvdsqag2fi1n6k2x7rfkl873";
   };
 
diff --git a/pkgs/tools/text/xml/xmlstarlet/default.nix b/pkgs/tools/text/xml/xmlstarlet/default.nix
index e179c3153e1..39d53088bab 100644
--- a/pkgs/tools/text/xml/xmlstarlet/default.nix
+++ b/pkgs/tools/text/xml/xmlstarlet/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, pkg-config, libxml2, libxslt }:
 
 stdenv.mkDerivation rec {
-  name = "xmlstarlet-1.6.1";
+  pname = "xmlstarlet";
+  version = "1.6.1";
 
   src = fetchurl {
-    url = "mirror://sourceforge/xmlstar/${name}.tar.gz";
+    url = "mirror://sourceforge/xmlstar/xmlstarlet-${version}.tar.gz";
     sha256 = "1jp737nvfcf6wyb54fla868yrr39kcbijijmjpyk4lrpyg23in0m";
   };
 
diff --git a/pkgs/tools/text/xml/xpf/default.nix b/pkgs/tools/text/xml/xpf/default.nix
index 29170394d1e..ce0813c2ef4 100644
--- a/pkgs/tools/text/xml/xpf/default.nix
+++ b/pkgs/tools/text/xml/xpf/default.nix
@@ -2,11 +2,12 @@
 
 assert libxml2.pythonSupport == true;
 
-stdenv.mkDerivation {
-  name = "xpf-0.2";
+stdenv.mkDerivation rec {
+  pname = "xpf";
+  version = "0.2";
 
   src = fetchurl {
-    url = "http://tarballs.nixos.org/xpf-0.2.tar.gz";
+    url = "http://tarballs.nixos.org/xpf-${version}.tar.gz";
     sha256 = "0ljx91w68rnh4871c0xlq2whlmhqz8dr39wcdczfjjpniqz1fmpz";
   };
 
diff --git a/pkgs/tools/text/yaml-merge/default.nix b/pkgs/tools/text/yaml-merge/default.nix
index 7c4ecc49df5..e5794b439a5 100644
--- a/pkgs/tools/text/yaml-merge/default.nix
+++ b/pkgs/tools/text/yaml-merge/default.nix
@@ -1,7 +1,8 @@
 { lib, stdenv, fetchFromGitHub, pythonPackages }:
 
 stdenv.mkDerivation {
-  name= "yaml-merge-2016-02-16";
+  pname = "yaml-merge";
+  version = "unstable-2016-02-16";
 
   src = fetchFromGitHub {
     owner = "abbradar";
diff --git a/pkgs/tools/typesetting/docbook2odf/default.nix b/pkgs/tools/typesetting/docbook2odf/default.nix
index cd10ac9117c..0b7b67f69b5 100644
--- a/pkgs/tools/typesetting/docbook2odf/default.nix
+++ b/pkgs/tools/typesetting/docbook2odf/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, perlPackages, makeWrapper, zip, libxslt }:
 
 stdenv.mkDerivation rec {
-  name = "docbook2odf-0.244";
+  pname = "docbook2odf";
+  version = "0.244";
 
   src = fetchurl {
-    url = "http://open.comsultia.com/docbook2odf/dwn/${name}.tar.gz";
+    url = "http://open.comsultia.com/docbook2odf/dwn/docbook2odf-${version}.tar.gz";
     sha256 = "10k44g0qqa37k30pfj8vz95j6zdzz0nmnqjq1lyahfs2h4glzgwb";
   };
 
diff --git a/pkgs/tools/typesetting/docbook2x/default.nix b/pkgs/tools/typesetting/docbook2x/default.nix
index 4b9e571c0ad..aac992552d3 100644
--- a/pkgs/tools/typesetting/docbook2x/default.nix
+++ b/pkgs/tools/typesetting/docbook2x/default.nix
@@ -4,10 +4,11 @@
 , makeWrapper }:
 
 stdenv.mkDerivation rec {
-  name = "docbook2X-0.8.8";
+  pname = "docbook2X";
+  version = "0.8.8";
 
   src = fetchurl {
-    url = "mirror://sourceforge/docbook2x/${name}.tar.gz";
+    url = "mirror://sourceforge/docbook2x/docbook2X-${version}.tar.gz";
     sha256 = "0ifwzk99rzjws0ixzimbvs83x6cxqk1xzmg84wa1p7bs6rypaxs0";
   };
 
diff --git a/pkgs/tools/typesetting/halibut/default.nix b/pkgs/tools/typesetting/halibut/default.nix
index d077ef823ff..ec5598e4d68 100644
--- a/pkgs/tools/typesetting/halibut/default.nix
+++ b/pkgs/tools/typesetting/halibut/default.nix
@@ -1,10 +1,11 @@
 {lib, stdenv, fetchurl, perl}:
 
 stdenv.mkDerivation rec {
-  name = "halibut-1.2";
+  pname = "halibut";
+  version = "1.2";
 
   src = fetchurl {
-    url = "http://ww.chiark.greenend.org.uk/~sgtatham/halibut/${name}/${name}.tar.gz";
+    url = "http://ww.chiark.greenend.org.uk/~sgtatham/halibut/halibut-${version}/halibut-${version}.tar.gz";
     sha256 = "0gqnhfqf555rfpk5xj1imbdxnbkkrv4wl3rrdb1r0wgj81igpv8s";
   };
 
diff --git a/pkgs/tools/typesetting/hevea/default.nix b/pkgs/tools/typesetting/hevea/default.nix
index ad6427e5622..8253d73e3db 100644
--- a/pkgs/tools/typesetting/hevea/default.nix
+++ b/pkgs/tools/typesetting/hevea/default.nix
@@ -1,10 +1,11 @@
 { lib, stdenv, fetchurl, ocamlPackages }:
 
 stdenv.mkDerivation rec {
-  name = "hevea-2.35";
+  pname = "hevea";
+  version = "2.35";
 
   src = fetchurl {
-    url = "http://pauillac.inria.fr/~maranget/hevea/distri/${name}.tar.gz";
+    url = "https://pauillac.inria.fr/~maranget/hevea/distri/hevea-${version}.tar.gz";
     sha256 = "sha256-8Ym62l0+WzWFXf39tbJwyZT8eiNmsBJQ12E1mtZsnss=";
   };
 
diff --git a/pkgs/tools/typesetting/lout/default.nix b/pkgs/tools/typesetting/lout/default.nix
index 4737c5d7409..f5bf22c0f33 100644
--- a/pkgs/tools/typesetting/lout/default.nix
+++ b/pkgs/tools/typesetting/lout/default.nix
@@ -1,13 +1,14 @@
 {lib, stdenv, fetchurl, ghostscript}:
 
 stdenv.mkDerivation rec {
-  name = "lout-3.40";
+  pname = "lout";
+  version = "3.40";
 
   src = fetchurl {
     urls = [
-      "ftp://ftp.cs.usyd.edu.au/jeff/lout/${name}.tar.gz"
-      "mirror://savannah/lout/${name}.tar.gz"      # new!
-      "mirror://sourceforge/lout/${name}.tar.gz"   # to be phased out
+      "ftp://ftp.cs.usyd.edu.au/jeff/lout/${pname}-${version}.tar.gz"
+      "mirror://savannah/lout/${pname}-${version}.tar.gz"      # new!
+      "mirror://sourceforge/lout/${pname}-${version}.tar.gz"   # to be phased out
       # XXX: We could add the CTAN mirrors
       # (see https://www.ctan.org/tex-archive/support/lout/).
     ];
diff --git a/pkgs/tools/typesetting/tex/lkproof/default.nix b/pkgs/tools/typesetting/tex/lkproof/default.nix
index 4f896ef32ba..6b866b43d1b 100644
--- a/pkgs/tools/typesetting/tex/lkproof/default.nix
+++ b/pkgs/tools/typesetting/tex/lkproof/default.nix
@@ -1,7 +1,8 @@
 {lib, stdenv, fetchurl, unzip}:
 
 stdenv.mkDerivation {
-  name = "lkproof-3.1";
+  pname = "lkproof";
+  version = "3.1";
 
   src = fetchurl {
     url = "http://mirror.ctan.org/macros/latex/contrib/lkproof.zip";
diff --git a/pkgs/tools/typesetting/tex/pgfplots/default.nix b/pkgs/tools/typesetting/tex/pgfplots/default.nix
index fe928615eb4..0a2667f284e 100644
--- a/pkgs/tools/typesetting/tex/pgfplots/default.nix
+++ b/pkgs/tools/typesetting/tex/pgfplots/default.nix
@@ -1,10 +1,11 @@
 {lib, stdenv, fetchurl, unzip}:
 
-stdenv.mkDerivation {
-  name = "pgfplots-1.5.1";
+stdenv.mkDerivation rec {
+  pname = "pgfplots";
+  version = "1.5.1";
 
   src = fetchurl {
-    url = "mirror://sourceforge/pgfplots/pgfplots_1.5.1.tds.zip";
+    url = "mirror://sourceforge/pgfplots/pgfplots_${version}.tds.zip";
     sha256 = "1xajrmq35i0qlsfwydy5zzg6f1jg88hqqh5b3xsmglzrarnllbdi";
   };
 
diff --git a/pkgs/tools/typesetting/tex/tetex/default.nix b/pkgs/tools/typesetting/tex/tetex/default.nix
index 0f6bf5d0d55..d1538641721 100644
--- a/pkgs/tools/typesetting/tex/tetex/default.nix
+++ b/pkgs/tools/typesetting/tex/tetex/default.nix
@@ -1,15 +1,16 @@
 { lib, stdenv, fetchurl, flex, bison, zlib, libpng, ncurses, ed, automake }:
 
-stdenv.mkDerivation {
-  name = "tetex-3.0";
+stdenv.mkDerivation rec {
+  pname = "tetex";
+  version = "3.0";
 
   src = fetchurl {
-    url = "http://mirrors.ctan.org/obsolete/systems/unix/teTeX/3.0/distrib/tetex-src-3.0.tar.gz";
+    url = "http://mirrors.ctan.org/obsolete/systems/unix/teTeX/${version}/distrib/tetex-src-${version}.tar.gz";
     sha256 = "16v44465ipd9yyqri9rgxp6rbgs194k4sh1kckvccvdsnnp7w3ww";
   };
 
   texmf = fetchurl {
-    url = "http://mirrors.ctan.org/obsolete/systems/unix/teTeX/3.0/distrib/tetex-texmf-3.0.tar.gz";
+    url = "http://mirrors.ctan.org/obsolete/systems/unix/teTeX/${version}/distrib/tetex-texmf-${version}.tar.gz";
     sha256 = "1hj06qvm02a2hx1a67igp45kxlbkczjlg20gr8lbp73l36k8yfvc";
   };