meta.description fixups

Mostly scripted substitutions with a couple of subjective enhancements.

66 files changed, 106 insertions, 95 deletions

diff --git a/pkgs/applications/editors/emacs-modes/rudel/default.nix b/pkgs/applications/editors/emacs-modes/rudel/default.nix
index 787f5df6eb04..f830b16da981 100644
--- a/pkgs/applications/editors/emacs-modes/rudel/default.nix
+++ b/pkgs/applications/editors/emacs-modes/rudel/default.nix
@@ -22,7 +22,7 @@ stdenv.mkDerivation
 
   meta = {
     homepage = "http://rudel.sourceforge.net/";
-    description = "Rudel is a collaborative editing environment for GNU Emacs";
+    description = "A collaborative editing environment for GNU Emacs";
     license = "GPL";
   };
 }
diff --git a/pkgs/applications/editors/zed/default.nix b/pkgs/applications/editors/zed/default.nix
index e46cb66de56a..0d4b9fd1dab5 100644
--- a/pkgs/applications/editors/zed/default.nix
+++ b/pkgs/applications/editors/zed/default.nix
@@ -79,7 +79,7 @@ in stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "Zed is a fully offline-capable, open source, keyboard-focused, text and code editor for power users";
+    description = "A fully offline-capable, open source, keyboard-focused, text and code editor for power users";
     license = stdenv.lib.licenses.mit;
     homepage = http://zedapp.org/;
     maintainers = [ stdenv.lib.maintainers.matejc ];
diff --git a/pkgs/applications/misc/krename/default.nix b/pkgs/applications/misc/krename/default.nix
index 75d8e5ecb89b..ff98bb5186a7 100644
--- a/pkgs/applications/misc/krename/default.nix
+++ b/pkgs/applications/misc/krename/default.nix
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://www.krename.net;
-    description = "KRename is a powerful batch renamer for KDE";
+    description = "A powerful batch renamer for KDE";
     inherit (kdelibs.meta) platforms;
     maintainers = [ stdenv.lib.maintainers.urkud ];
   };
diff --git a/pkgs/applications/misc/pwsafe/default.nix b/pkgs/applications/misc/pwsafe/default.nix
index a1538c69932e..3faf127d88db 100644
--- a/pkgs/applications/misc/pwsafe/default.nix
+++ b/pkgs/applications/misc/pwsafe/default.nix
@@ -62,7 +62,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "Password Safe is a password database utility";
+    description = "A password database utility";
 
     longDescription = ''
       Password Safe is a password database utility. Like many other
diff --git a/pkgs/applications/networking/browsers/netsurf/libCSS.nix b/pkgs/applications/networking/browsers/netsurf/libCSS.nix
index ede053aeca3f..99192fda113a 100644
--- a/pkgs/applications/networking/browsers/netsurf/libCSS.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libCSS.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [pkgconfig libParserUtils libwapcaplet];
 
   meta = { 
-    description = "libCSS is a CSS parser and selection engine, written in C"; # used by netsurf
+    description = "A CSS parser and selection engine, written in C"; # used by netsurf
     homepage = http://www.netsurf-browser.org/projects/libcss/;
     license = stdenv.lib.licenses.mit;
     maintainers = [args.lib.maintainers.marcweber];
diff --git a/pkgs/applications/networking/browsers/netsurf/libParserUtils.nix b/pkgs/applications/networking/browsers/netsurf/libParserUtils.nix
index 32bede76e432..3c2b7693be7f 100644
--- a/pkgs/applications/networking/browsers/netsurf/libParserUtils.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libParserUtils.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [pkgconfig];
 
   meta = { 
-    description = "LibParserUtils is a library for building efficient parsers, written in C";
+    description = "A library for building efficient parsers, written in C";
     homepage = http://www.netsurf-browser.org/projects/libparserutils/;
     license = stdenv.lib.licenses.mit;
     maintainers = [args.lib.maintainers.marcweber];
diff --git a/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix b/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix
index d370002543ce..083850bb5450 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [];
 
   meta = { 
-    description = "Libnsbmp is a decoding library for BMP and ICO image file formats"; # used by netsurf
+    description = "A decoding library for BMP and ICO image file formats"; # used by netsurf
     homepage = http://www.netsurf-browser.org/projects/libnsbmp/;
     license = stdenv.lib.licenses.mit;
     maintainers = [args.lib.maintainers.marcweber];
diff --git a/pkgs/applications/networking/browsers/netsurf/libnsgif.nix b/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
index a4502d2354de..5e2acb4f313f 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   buildInputs = [];
 
   meta = {
-    description = "Libnsbmp is a decoding library for gif image file formats"; # used by netsurf
+    description = "A decoding library for gif image file formats"; # used by netsurf
     homepage = http://www.netsurf-browser.org/projects/libnsgif/;
     license = stdenv.lib.licenses.mit;
     maintainers = [args.lib.maintainers.marcweber];
diff --git a/pkgs/applications/networking/browsers/netsurf/libwapcaplet.nix b/pkgs/applications/networking/browsers/netsurf/libwapcaplet.nix
index 5aa15d7b80d0..a4cd09d1d860 100644
--- a/pkgs/applications/networking/browsers/netsurf/libwapcaplet.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libwapcaplet.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   buildInputs = [];
 
   meta = { 
-    description = "LibWapcaplet is a string internment library, written in C";
+    description = "A string internment library, written in C";
     homepage = http://www.netsurf-browser.org/projects/libwapcaplet/;
     license = stdenv.lib.licenses.mit;
     maintainers = [args.lib.maintainers.marcweber];
diff --git a/pkgs/applications/office/calligra/default.nix b/pkgs/applications/office/calligra/default.nix
index 00f27bfc93c8..0b28d13e4e55 100644
--- a/pkgs/applications/office/calligra/default.nix
+++ b/pkgs/applications/office/calligra/default.nix
@@ -32,7 +32,16 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-I${ilmbase}/include/OpenEXR";
 
   meta = {
-    description = "Calligra Suite is a set of applications written to help you to accomplish your work. Calligra includes efficient and capable office components: Words for text processing,  Sheets for computations, Stage for presentations, Plan for planning, Flow for flowcharts, Kexi for database creation, Krita for painting and raster drawing, and Karbon for vector graphics.";
+    description = "A suite of productivity applications";
+    longDescription = ''
+      Calligra Suite is a set of applications written to help
+      you to accomplish your work. Calligra includes efficient
+      and capable office components: Words for text processing,
+      Sheets for computations, Stage for presentations, Plan for
+      planning, Flow for flowcharts, Kexi for database creation,
+      Krita for painting and raster drawing, and Karbon for
+      vector graphics.
+    '';
     homepage = http://calligra.org;
     maintainers = with stdenv.lib.maintainers; [ urkud phreedom ];
     inherit (kdelibs.meta) platforms;
diff --git a/pkgs/applications/science/logic/yices/default.nix b/pkgs/applications/science/logic/yices/default.nix
index e181ecfd0e11..4e3b9b2a76b1 100644
--- a/pkgs/applications/science/logic/yices/default.nix
+++ b/pkgs/applications/science/logic/yices/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "Yices is a high-performance theorem prover and SMT solver";
+    description = "A high-performance theorem prover and SMT solver";
     homepage    = "http://yices.csl.sri.com";
     license     = stdenv.lib.licenses.unfreeRedistributable;
     platforms   = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/version-management/git-and-tools/stgit/default.nix b/pkgs/applications/version-management/git-and-tools/stgit/default.nix
index d4b74390c4cc..f6966f92eb2f 100644
--- a/pkgs/applications/version-management/git-and-tools/stgit/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/stgit/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = "http://procode.org/stgit/";
-    description = "StGit is a patch manager implemented on top of Git";
+    description = "A patch manager implemented on top of Git";
     license = "GPL";
 
     maintainers = with stdenv.lib.maintainers; [ simons the-kenny ];
diff --git a/pkgs/applications/window-managers/i3/lock.nix b/pkgs/applications/window-managers/i3/lock.nix
index b9d5ac168b25..91fff3335ec2 100644
--- a/pkgs/applications/window-managers/i3/lock.nix
+++ b/pkgs/applications/window-managers/i3/lock.nix
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "i3lock is a simple screen locker like slock";
+    description = "A simple screen locker like slock";
     homepage = http://i3wm.org/i3lock/;
     maintainers = with maintainers; [ garbas malyn ];
     license = licenses.bsd3;
diff --git a/pkgs/applications/window-managers/i3/status.nix b/pkgs/applications/window-managers/i3/status.nix
index 99562ebd6624..97b200e340e2 100644
--- a/pkgs/applications/window-managers/i3/status.nix
+++ b/pkgs/applications/window-managers/i3/status.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   installFlags = "PREFIX=\${out}";
 
   meta = {
-    description = "i3 is a tiling window manager";
+    description = "A tiling window manager";
     homepage = http://i3wm.org;
     maintainers = [ stdenv.lib.maintainers.garbas ];
     license = stdenv.lib.licenses.bsd3;
diff --git a/pkgs/data/documentation/zeal/default.nix b/pkgs/data/documentation/zeal/default.nix
index 622171b33e35..c495ac0a9293 100644
--- a/pkgs/data/documentation/zeal/default.nix
+++ b/pkgs/data/documentation/zeal/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   meta = {
-    description = "Zeal is a simple offline API documentation browser";
+    description = "A simple offline API documentation browser";
     longDescription = ''
       Zeal is a simple offline API documentation browser inspired by Dash (OS X
       app), available for Linux and Windows.
diff --git a/pkgs/data/fonts/powerline-fonts/default.nix b/pkgs/data/fonts/powerline-fonts/default.nix
index 0d3d9c104d46..2f528a619e72 100644
--- a/pkgs/data/fonts/powerline-fonts/default.nix
+++ b/pkgs/data/fonts/powerline-fonts/default.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
 
   meta = with stdenv.lib; {
     homepage = https://github.com/powerline/fonts;
-    description = "Patched fonts for Powerline users.";
+    description = "Patched fonts for Powerline users";
     longDescription = ''
       Pre-patched and adjusted fonts for usage with the Powerline plugin.
     '';
diff --git a/pkgs/desktops/e19/econnman.nix b/pkgs/desktops/e19/econnman.nix
index 8eaebaf0af38..08d7a8c3e735 100644
--- a/pkgs/desktops/e19/econnman.nix
+++ b/pkgs/desktops/e19/econnman.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "Econnman is a user interface for the connman network connection manager";
+    description = "A user interface for the connman network connection manager";
     homepage = http://enlightenment.org/;
     maintainers = with stdenv.lib.maintainers; [ matejc tstrobel ];
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/desktops/kde-4.14/kdeedu/artikulate.nix b/pkgs/desktops/kde-4.14/kdeedu/artikulate.nix
index b1828766f220..8674a774443f 100644
--- a/pkgs/desktops/kde-4.14/kdeedu/artikulate.nix
+++ b/pkgs/desktops/kde-4.14/kdeedu/artikulate.nix
@@ -3,6 +3,6 @@ kde {
   buildInputs = [ kdelibs qt_gstreamer1 ];
 
   meta = {
-    description = "Artikulate is a pronunciation learning program for KDE.";
+    description = "A pronunciation learning program for KDE";
   };
 }
diff --git a/pkgs/development/compilers/elm/elm-compiler.nix b/pkgs/development/compilers/elm/elm-compiler.nix
index 87a0b660d2ad..9cf8eda2d9a3 100644
--- a/pkgs/development/compilers/elm/elm-compiler.nix
+++ b/pkgs/development/compilers/elm/elm-compiler.nix
@@ -27,7 +27,7 @@ cabal.mkDerivation (self: {
   ];
   meta = {
     homepage = "http://elm-lang.org";
-    description = "Values to help with elm-package, elm-make, and elm-lang.org.";
+    description = "Values to help with elm-package, elm-make, and elm-lang.org";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
   };
diff --git a/pkgs/development/compilers/ghcjs/default.nix b/pkgs/development/compilers/ghcjs/default.nix
index 8206bb19e4fa..54604f548fa7 100644
--- a/pkgs/development/compilers/ghcjs/default.nix
+++ b/pkgs/development/compilers/ghcjs/default.nix
@@ -122,7 +122,7 @@ in mkDerivation (rec {
   };
 
   homepage = "https://github.com/ghcjs/ghcjs";
-  description = "GHCJS is a Haskell to JavaScript compiler that uses the GHC API";
+  description = "A Haskell to JavaScript compiler that uses the GHC API";
   license = stdenv.lib.licenses.bsd3;
   platforms = ghc.meta.platforms;
   maintainers = with stdenv.lib.maintainers; [ jwiegley cstrahan ];
diff --git a/pkgs/development/compilers/gwt/2.4.0.nix b/pkgs/development/compilers/gwt/2.4.0.nix
index f0dc9378c4f0..588861ee42de 100644
--- a/pkgs/development/compilers/gwt/2.4.0.nix
+++ b/pkgs/development/compilers/gwt/2.4.0.nix
@@ -18,6 +18,6 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = http://code.google.com/webtoolkit/;
-    description = "Google Web Toolkit (GWT) is a development toolkit for building and optimizing complex browser-based applications";
+    description = "A development toolkit for building and optimizing complex browser-based applications";
   };
 }
diff --git a/pkgs/development/compilers/scala/2.10.nix b/pkgs/development/compilers/scala/2.10.nix
index b518a9a0e0ec..ab13e0ba7dc3 100644
--- a/pkgs/development/compilers/scala/2.10.nix
+++ b/pkgs/development/compilers/scala/2.10.nix
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "Scala is a general purpose programming language";
+    description = "A general purpose programming language";
     longDescription = ''
       Scala is a general purpose programming language designed to express
       common programming patterns in a concise, elegant, and type-safe way.
diff --git a/pkgs/development/compilers/scala/2.9.nix b/pkgs/development/compilers/scala/2.9.nix
index de5db1eff996..c98e2e75c171 100644
--- a/pkgs/development/compilers/scala/2.9.nix
+++ b/pkgs/development/compilers/scala/2.9.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = {
-    description = "Scala is a general purpose programming language";
+    description = "A general purpose programming language";
     longDescription = ''
       Scala is a general purpose programming language designed to express
       common programming patterns in a concise, elegant, and type-safe way.
diff --git a/pkgs/development/compilers/yap/default.nix b/pkgs/development/compilers/yap/default.nix
index f9b587c05049..2482f2ac1316 100644
--- a/pkgs/development/compilers/yap/default.nix
+++ b/pkgs/development/compilers/yap/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = "http://www.dcc.fc.up.pt/~vsc/Yap/";
-    description = "Yap Prolog System is a ISO-compatible high-performance Prolog compiler";
+    description = "A ISO-compatible high-performance Prolog compiler";
     license = stdenv.lib.licenses.artistic2;
 
     maintainers = [ stdenv.lib.maintainers.simons ];
diff --git a/pkgs/development/coq-modules/bedrock/default.nix b/pkgs/development/coq-modules/bedrock/default.nix
index 478f74058bdf..92a3d16963b6 100644
--- a/pkgs/development/coq-modules/bedrock/default.nix
+++ b/