Unify quoting in metadata.xml files for machine processing

Force unified quoting in all metadata.xml files since lxml does not
preserve original use of single and double quotes. Ensuring unified
quoting before the process allows distinguishing the GLEP 67-related
metadata.xml changes from unrelated quoting changes.

98 files changed, 167 insertions, 193 deletions

diff --git a/dev-libs/MicroJSON/metadata.xml b/dev-libs/MicroJSON/metadata.xml
index e73da0ee5c0a..65cbd1fbe688 100644
--- a/dev-libs/MicroJSON/metadata.xml
+++ b/dev-libs/MicroJSON/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/UTF8Strings/metadata.xml b/dev-libs/UTF8Strings/metadata.xml
index 7febb52f0ca9..eec867603cf2 100644
--- a/dev-libs/UTF8Strings/metadata.xml
+++ b/dev-libs/UTF8Strings/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/ace/metadata.xml b/dev-libs/ace/metadata.xml
index 1444c9845d97..7c11e3649258 100644
--- a/dev-libs/ace/metadata.xml
+++ b/dev-libs/ace/metadata.xml
@@ -3,9 +3,9 @@
 <pkgmetadata>
 <herd>cpp</herd>
 <use>
-  <flag name='ciao'>Include Component Intergraced Ace ORB into the build of
+  <flag name="ciao">Include Component Intergraced Ace ORB into the build of
     ace</flag>
-  <flag name='tao'>Include the ACE ORB (CORBA stuff) (called tao) into the
+  <flag name="tao">Include the ACE ORB (CORBA stuff) (called tao) into the
     build of ace</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/angelscript/metadata.xml b/dev-libs/angelscript/metadata.xml
index e0a94082f952..26215a078864 100644
--- a/dev-libs/angelscript/metadata.xml
+++ b/dev-libs/angelscript/metadata.xml
@@ -12,4 +12,3 @@
 		</subslots>
 	</slots>
 </pkgmetadata>
-
diff --git a/dev-libs/bcm2835/metadata.xml b/dev-libs/bcm2835/metadata.xml
index 8a9b49eec325..ca5f18f721d7 100644
--- a/dev-libs/bcm2835/metadata.xml
+++ b/dev-libs/bcm2835/metadata.xml
@@ -6,4 +6,3 @@
 		<name>Chí-Thanh Christopher Nguyễn</name>
 	</maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/capnproto/metadata.xml b/dev-libs/capnproto/metadata.xml
index 4d6fc270b09b..7b03fb0c2061 100644
--- a/dev-libs/capnproto/metadata.xml
+++ b/dev-libs/capnproto/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/cgicc/metadata.xml b/dev-libs/cgicc/metadata.xml
index d11428dcb527..d5c4c3cd160e 100644
--- a/dev-libs/cgicc/metadata.xml
+++ b/dev-libs/cgicc/metadata.xml
@@ -18,4 +18,3 @@ Web. cgicc performs the following functions:
  - Compatible with FastCGI
 	</longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/collada-dom/metadata.xml b/dev-libs/collada-dom/metadata.xml
index 1f9eb19c14f6..caea2feec123 100644
--- a/dev-libs/collada-dom/metadata.xml
+++ b/dev-libs/collada-dom/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/crossguid/metadata.xml b/dev-libs/crossguid/metadata.xml
index 65b78d523e14..462401dd2172 100644
--- a/dev-libs/crossguid/metadata.xml
+++ b/dev-libs/crossguid/metadata.xml
@@ -3,6 +3,6 @@
 <pkgmetadata>
 <herd>xbox</herd>
 <upstream>
-	<remote-id type='github'>graeme-hill/crossguid</remote-id>
+	<remote-id type="github">graeme-hill/crossguid</remote-id>
 </upstream>
 </pkgmetadata>
diff --git a/dev-libs/cxxtools/metadata.xml b/dev-libs/cxxtools/metadata.xml
index 5f9f14619db8..4399dba19554 100644
--- a/dev-libs/cxxtools/metadata.xml
+++ b/dev-libs/cxxtools/metadata.xml
@@ -7,4 +7,3 @@
 <name>Gentoo VDR Project</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/cyrus-sasl/metadata.xml b/dev-libs/cyrus-sasl/metadata.xml
index 69c8e0ae267b..a3cf1dee6af6 100644
--- a/dev-libs/cyrus-sasl/metadata.xml
+++ b/dev-libs/cyrus-sasl/metadata.xml
@@ -3,13 +3,13 @@
 <pkgmetadata>
 <herd>net-mail</herd>
 <use>
-  <flag name='authdaemond'>Add Courier-IMAP authdaemond unix socket
+  <flag name="authdaemond">Add Courier-IMAP authdaemond unix socket
     support (<pkg>net-mail/courier-imap</pkg>, <pkg>mail-mta/courier</pkg>)
     </flag>
-  <flag name='openldap'>Add ldap support for saslauthd</flag>
-  <flag name='ldapdb'>Enable ldapdb plugin</flag>
-  <flag name='sample'>Enable sample client and server</flag>
-  <flag name='srp'>Enable SRP authentication</flag>
-  <flag name='urandom'>Use /dev/urandom instead of /dev/random</flag>
+  <flag name="openldap">Add ldap support for saslauthd</flag>
+  <flag name="ldapdb">Enable ldapdb plugin</flag>
+  <flag name="sample">Enable sample client and server</flag>
+  <flag name="srp">Enable SRP authentication</flag>
+  <flag name="urandom">Use /dev/urandom instead of /dev/random</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/dotconf/metadata.xml b/dev-libs/dotconf/metadata.xml
index 2f0bbe44021a..f7b66d2f7a9d 100644
--- a/dev-libs/dotconf/metadata.xml
+++ b/dev-libs/dotconf/metadata.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
-
 <pkgmetadata>
 <herd>accessibility</herd>
 <maintainer>
diff --git a/dev-libs/e_dbus/metadata.xml b/dev-libs/e_dbus/metadata.xml
index f4d06d2f03d4..d136264acd4e 100644
--- a/dev-libs/e_dbus/metadata.xml
+++ b/dev-libs/e_dbus/metadata.xml
@@ -1,10 +1,10 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 <use>
-	<flag name='bluetooth'>Enable interfacing with <pkg>net-wireless/bluez</pkg> DBus API</flag>
-	<flag name='ofono'>Enable interfacing with <pkg>net-misc/ofono</pkg> DBus API</flag>
-	<flag name='test-binaries'>Enable building of test binaries for enabled features</flag>
+	<flag name="bluetooth">Enable interfacing with <pkg>net-wireless/bluez</pkg> DBus API</flag>
+	<flag name="ofono">Enable interfacing with <pkg>net-misc/ofono</pkg> DBus API</flag>
+	<flag name="test-binaries">Enable building of test binaries for enabled features</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/ecore/metadata.xml b/dev-libs/ecore/metadata.xml
index 8ee6a9d751c1..a6bc2952724d 100644
--- a/dev-libs/ecore/metadata.xml
+++ b/dev-libs/ecore/metadata.xml
@@ -1,16 +1,16 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 <use>
-	<flag name='ares'>Enables support for asynchronous DNS using the <pkg>net-dns/c-ares</pkg> library</flag>
-	<flag name='gles'>Add gles support to the ecore-evas-wayland module</flag>
-	<flag name='glib'>Enable <pkg>dev-libs/glib</pkg> eventloop support</flag>
-	<flag name='xprint'>Enable X11 Xprint support</flag>
-	<flag name='inotify'>Enable support for inotify</flag>
-	<flag name='evas'>Provides easy to use canvas by gluing <pkg>media-libs/evas</pkg> and various input/output systems</flag>
-	<flag name='tslib'>Build with tslib support for touchscreen devices</flag>
-	<flag name='wayland'>Add support for <pkg>dev-libs/wayland</pkg></flag>
+	<flag name="ares">Enables support for asynchronous DNS using the <pkg>net-dns/c-ares</pkg> library</flag>
+	<flag name="gles">Add gles support to the ecore-evas-wayland module</flag>
+	<flag name="glib">Enable <pkg>dev-libs/glib</pkg> eventloop support</flag>
+	<flag name="xprint">Enable X11 Xprint support</flag>
+	<flag name="inotify">Enable support for inotify</flag>
+	<flag name="evas">Provides easy to use canvas by gluing <pkg>media-libs/evas</pkg> and various input/output systems</flag>
+	<flag name="tslib">Build with tslib support for touchscreen devices</flag>
+	<flag name="wayland">Add support for <pkg>dev-libs/wayland</pkg></flag>
 </use>
 <longdescription>
 Ecore is a clean and tiny event loop library with many modules to do
diff --git a/dev-libs/eet/metadata.xml b/dev-libs/eet/metadata.xml
index bbdb2b21219b..74563a36db2a 100644
--- a/dev-libs/eet/metadata.xml
+++ b/dev-libs/eet/metadata.xml
@@ -1,5 +1,5 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 <longdescription>
diff --git a/dev-libs/eeze/metadata.xml b/dev-libs/eeze/metadata.xml
index c8506d11acd1..ae1804c22300 100644
--- a/dev-libs/eeze/metadata.xml
+++ b/dev-libs/eeze/metadata.xml
@@ -1,8 +1,8 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 <use>
-	<flag name='utilities'>Install some test utilities for mount/umount support in eeze</flag>
+	<flag name="utilities">Install some test utilities for mount/umount support in eeze</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/efl/metadata.xml b/dev-libs/efl/metadata.xml
index 8b04c32ed03b..097865ae9c00 100644
--- a/dev-libs/efl/metadata.xml
+++ b/dev-libs/efl/metadata.xml
@@ -1,29 +1,29 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 <use>
-	<flag name='bmp'>Enable WBMP image loader</flag>
-	<flag name='drm'>Enable DRM engine</flag>
-	<flag name='eet'>Enable Eet image loader</flag>
-	<flag name='egl'>Enable EGL rendering</flag>
-	<flag name='fribidi'>Enable bidirectional text support</flag>
-	<flag name='gles'>Enable the OpenGL ES GL implementation</flag>
-	<flag name='glib'>Enable <pkg>dev-libs/glib</pkg> support</flag>
-	<flag name='harfbuzz'>Enable complex text shaping and layout support</flag>
-	<flag name='ibus'>Enable Intelligent Input Bus</flag>
-	<flag name='ico'>Enable Ico image loader</flag>
-	<flag name='oldlua'>USE <pkg>dev-lang/lua</pkg> instead of <pkg>dev-lang/luajit</pkg></flag>
-	<flag name='physics'>Enable Bullet physics effects and support</flag>
-	<flag name='pixman'>Enable PixMan for software rendering</flag>
-	<flag name='ppm'>Enable PMAPS image loader</flag>
-	<flag name='psd'>Enable PSD image loader</flag>
-	<flag name='scim'>Enable Smart Common Input Method</flag>
-	<flag name='tga'>Enable Tga image loader</flag>
-	<flag name='tslib'>Enable <pkg>x11-libs/tslib</pkg> for touchscreen events</flag>
-	<flag name='v4l2'>Enable Video4Linux2 support</flag>
-	<flag name='valgrind'>Enable usage of <pkg>dev-util/valgrind</pkg> in debug</flag>
-	<flag name='webp'>Enable WebP image loader</flag>
-	<flag name='xim'>Enable X Input Method</flag>
+	<flag name="bmp">Enable WBMP image loader</flag>
+	<flag name="drm">Enable DRM engine</flag>
+	<flag name="eet">Enable Eet image loader</flag>
+	<flag name="egl">Enable EGL rendering</flag>
+	<flag name="fribidi">Enable bidirectional text support</flag>
+	<flag name="gles">Enable the OpenGL ES GL implementation</flag>
+	<flag name="glib">Enable <pkg>dev-libs/glib</pkg> support</flag>
+	<flag name="harfbuzz">Enable complex text shaping and layout support</flag>
+	<flag name="ibus">Enable Intelligent Input Bus</flag>
+	<flag name="ico">Enable Ico image loader</flag>
+	<flag name="oldlua">USE <pkg>dev-lang/lua</pkg> instead of <pkg>dev-lang/luajit</pkg></flag>
+	<flag name="physics">Enable Bullet physics effects and support</flag>
+	<flag name="pixman">Enable PixMan for software rendering</flag>
+	<flag name="ppm">Enable PMAPS image loader</flag>
+	<flag name="psd">Enable PSD image loader</flag>
+	<flag name="scim">Enable Smart Common Input Method</flag>
+	<flag name="tga">Enable Tga image loader</flag>
+	<flag name="tslib">Enable <pkg>x11-libs/tslib</pkg> for touchscreen events</flag>
+	<flag name="v4l2">Enable Video4Linux2 support</flag>
+	<flag name="valgrind">Enable usage of <pkg>dev-util/valgrind</pkg> in debug</flag>
+	<flag name="webp">Enable WebP image loader</flag>
+	<flag name="xim">Enable X Input Method</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/efreet/metadata.xml b/dev-libs/efreet/metadata.xml
index 71cdd7256211..99165add909f 100644
--- a/dev-libs/efreet/metadata.xml
+++ b/dev-libs/efreet/metadata.xml
@@ -1,5 +1,5 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 </pkgmetadata>
diff --git a/dev-libs/eina/metadata.xml b/dev-libs/eina/metadata.xml
index aa9472293ab6..3e92977173ed 100644
--- a/dev-libs/eina/metadata.xml
+++ b/dev-libs/eina/metadata.xml
@@ -1,15 +1,15 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 <use>
-	<flag name='mempool-buddy'>Compile 'buddy' memory pool allocation</flag>
-	<flag name='mempool-chained-pool'>Compile 'chained-pool' memory pool allocation</flag>
-	<flag name='mempool-fixed-bitmap'>Compile 'fixed-bitmap' memory pool allocation</flag>
-	<flag name='mempool-one-big'>Compile 'one-big' memory pool allocation</flag>
-	<flag name='mempool-pass-through'>Compile 'pass-through' (system's malloc) memory pool allocation</flag>
-	<flag name='default-mempool'>By default use system's allocator (pass-through) instead of custom choice for Eina's own data structures</flag>
-	<flag name='valgrind'>Compile in valgrind hints for smoother integration</flag>
+	<flag name="mempool-buddy">Compile 'buddy' memory pool allocation</flag>
+	<flag name="mempool-chained-pool">Compile 'chained-pool' memory pool allocation</flag>
+	<flag name="mempool-fixed-bitmap">Compile 'fixed-bitmap' memory pool allocation</flag>
+	<flag name="mempool-one-big">Compile 'one-big' memory pool allocation</flag>
+	<flag name="mempool-pass-through">Compile 'pass-through' (system's malloc) memory pool allocation</flag>
+	<flag name="default-mempool">By default use system's allocator (pass-through) instead of custom choice for Eina's own data structures</flag>
+	<flag name="valgrind">Compile in valgrind hints for smoother integration</flag>
 </use>
 <longdescription>
 Eina is a multi-platform library that provides optimized data types
diff --git a/dev-libs/eio/metadata.xml b/dev-libs/eio/metadata.xml
index 71cdd7256211..99165add909f 100644
--- a/dev-libs/eio/metadata.xml
+++ b/dev-libs/eio/metadata.xml
@@ -1,5 +1,5 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 </pkgmetadata>
diff --git a/dev-libs/embryo/metadata.xml b/dev-libs/embryo/metadata.xml
index 0a1f7375fbe3..d75dabcf86ba 100644
--- a/dev-libs/embryo/metadata.xml
+++ b/dev-libs/embryo/metadata.xml
@@ -1,5 +1,5 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<!DOCTYPE pkgmetadata SYSTEM 'http://www.gentoo.org/dtd/metadata.dtd'>
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>enlightenment</herd>
 <longdescription>
diff --git a/dev-libs/fampp2/metadata.xml b/dev-libs/fampp2/metadata.xml
index 4cacf085b0a3..748ee49402a9 100644
--- a/dev-libs/fampp2/metadata.xml
+++ b/dev-libs/fampp2/metadata.xml
@@ -3,9 +3,9 @@
 <pkgmetadata>
 	<herd>cpp</herd>
 	<use>
-		<flag name='stlport'>Include support for <pkg>dev-libs/STLport</pkg></flag>
+		<flag name="stlport">Include support for <pkg>dev-libs/STLport</pkg></flag>
 	</use>
 	<upstream>
-		<remote-id type='sourceforge'>fampp</remote-id>
+		<remote-id type="sourceforge">fampp</remote-id>
 	</upstream>
 </pkgmetadata>
diff --git a/dev-libs/fcgi/metadata.xml b/dev-libs/fcgi/metadata.xml
index 9b5105a62230..baef581bb5c7 100644
--- a/dev-libs/fcgi/metadata.xml
+++ b/dev-libs/fcgi/metadata.xml
@@ -6,6 +6,6 @@
   <name>Rafael G. Martins</name>
 </maintainer>
 <use>
-  <flag name='html'>Install HTML documentation</flag>
+  <flag name="html">Install HTML documentation</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/fddl/metadata.xml b/dev-libs/fddl/metadata.xml
index 85cd1f12a92f..d99bc8799ea2 100644
--- a/dev-libs/fddl/metadata.xml
+++ b/dev-libs/fddl/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/ferrisloki/metadata.xml b/dev-libs/ferrisloki/metadata.xml
index 0323b7006323..d19658856e1e 100644
--- a/dev-libs/ferrisloki/metadata.xml
+++ b/dev-libs/ferrisloki/metadata.xml
@@ -3,7 +3,7 @@
 <pkgmetadata>
 <herd>cpp</herd>
 <use>
-  <flag name='stlport'>Include support for <pkg>dev-libs/STLport</pkg></flag>
+  <flag name="stlport">Include support for <pkg>dev-libs/STLport</pkg></flag>
 </use>
 <upstream>
 	<remote-id type="sourceforge">witme</remote-id>
diff --git a/dev-libs/gecode/metadata.xml b/dev-libs/gecode/metadata.xml
index 572f73ec811a..96477e71ba4b 100644
--- a/dev-libs/gecode/metadata.xml
+++ b/dev-libs/gecode/metadata.xml
@@ -10,4 +10,3 @@
 		</flag>
 	</use>
 </pkgmetadata>
-
diff --git a/dev-libs/gmime/metadata.xml b/dev-libs/gmime/metadata.xml
index a0073206dc96..009ffdab28f8 100644
--- a/dev-libs/gmime/metadata.xml
+++ b/dev-libs/gmime/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>gnome</herd>
diff --git a/dev-libs/gmp/metadata.xml b/dev-libs/gmp/metadata.xml
index 284648ee2e77..c59de3bde89c 100644
--- a/dev-libs/gmp/metadata.xml
+++ b/dev-libs/gmp/metadata.xml
@@ -3,7 +3,7 @@
 <pkgmetadata>
 <herd>toolchain</herd>
 <use>
-	<flag name='asm'>Enable use of hand optimized assembly routines (faster execution)</flag>
-	<flag name='pgo'>After building gmp, run some tests against to produce faster libraries -- this option will double the compile time</flag>
+	<flag name="asm">Enable use of hand optimized assembly routines (faster execution)</flag>
+	<flag name="pgo">After building gmp, run some tests against to produce faster libraries -- this option will double the compile time</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/jansson/metadata.xml b/dev-libs/jansson/metadata.xml
index 569987a08f85..1cec61ffc6d3 100644
--- a/dev-libs/jansson/metadata.xml
+++ b/dev-libs/jansson/metadata.xml
@@ -10,4 +10,3 @@
 <longdescription lang="en">
 </longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/jemalloc/metadata.xml b/dev-libs/jemalloc/metadata.xml
index a53e4b43c49d..4a500926ebea 100644
--- a/dev-libs/jemalloc/metadata.xml
+++ b/dev-libs/jemalloc/metadata.xml
@@ -6,7 +6,6 @@
 		Jemalloc is a general-purpose scalable concurrent allocator
 	</longdescription>
 	<use>
-		<flag name='stats'>Enable statistics calculation/reporting</flag>
+		<flag name="stats">Enable statistics calculation/reporting</flag>
 	</use>
 </pkgmetadata>
-
diff --git a/dev-libs/json-c/metadata.xml b/dev-libs/json-c/metadata.xml
index 7faf5b9c28cd..b6b667f28e90 100644
--- a/dev-libs/json-c/metadata.xml
+++ b/dev-libs/json-c/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/jsoncpp/metadata.xml b/dev-libs/jsoncpp/metadata.xml
index a3480806e77e..e01f23f7393d 100644
--- a/dev-libs/jsoncpp/metadata.xml
+++ b/dev-libs/jsoncpp/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/keybinder/metadata.xml b/dev-libs/keybinder/metadata.xml
index 8348bfd1dc2d..0c2ab83dde36 100644
--- a/dev-libs/keybinder/metadata.xml
+++ b/dev-libs/keybinder/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/kpathsea/metadata.xml b/dev-libs/kpathsea/metadata.xml
index 709c45b017d6..4c5b18fe19e5 100644
--- a/dev-libs/kpathsea/metadata.xml
+++ b/dev-libs/kpathsea/metadata.xml
@@ -7,4 +7,3 @@
 		<name>Alexis Ballier</name>
 	</maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libRocket/metadata.xml b/dev-libs/libRocket/metadata.xml
index 751ccdc7d204..15d7980e1a70 100644
--- a/dev-libs/libRocket/metadata.xml
+++ b/dev-libs/libRocket/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/libaio/metadata.xml b/dev-libs/libaio/metadata.xml
index 1bc18f350943..c679f8767539 100644
--- a/dev-libs/libaio/metadata.xml
+++ b/dev-libs/libaio/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <herd>proxy-maintainers</herd>
diff --git a/dev-libs/libb64/metadata.xml b/dev-libs/libb64/metadata.xml
index f28dc0701012..dd8e83d82451 100644
--- a/dev-libs/libb64/metadata.xml
+++ b/dev-libs/libb64/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/libcss/metadata.xml b/dev-libs/libcss/metadata.xml
index 59acc2cc580e..5b80fb94c393 100644
--- a/dev-libs/libcss/metadata.xml
+++ b/dev-libs/libcss/metadata.xml
@@ -6,4 +6,3 @@
 <name>Michael Weber</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libdbh/metadata.xml b/dev-libs/libdbh/metadata.xml
index 70438670cbe4..24915effe369 100644
--- a/dev-libs/libdbh/metadata.xml
+++ b/dev-libs/libdbh/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/libestr/metadata.xml b/dev-libs/libestr/metadata.xml
index 377419e70d95..60c7f53239ef 100644
--- a/dev-libs/libestr/metadata.xml
+++ b/dev-libs/libestr/metadata.xml
@@ -11,4 +11,3 @@
 	<name>Maxim Koltsov</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libev/metadata.xml b/dev-libs/libev/metadata.xml
index 136918579aaf..e42a8bdffe53 100644
--- a/dev-libs/libev/metadata.xml
+++ b/dev-libs/libev/metadata.xml
@@ -6,4 +6,3 @@
     <name>Yixun Lan</name>
   </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libevent/metadata.xml b/dev-libs/libevent/metadata.xml
index 6e8c263479ad..d1e9b99f1a14 100644
--- a/dev-libs/libevent/metadata.xml
+++ b/dev-libs/libevent/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/libexecinfo/metadata.xml b/dev-libs/libexecinfo/metadata.xml
index 5d71e6fb3da7..1792d802de96 100644
--- a/dev-libs/libexecinfo/metadata.xml
+++ b/dev-libs/libexecinfo/metadata.xml
@@ -9,4 +9,3 @@
 	compiler.
 </longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/libexplain/metadata.xml b/dev-libs/libexplain/metadata.xml
index fc8c8c8ae8f9..f88eefb1a68e 100644
--- a/dev-libs/libexplain/metadata.xml
+++ b/dev-libs/libexplain/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <herd>shell-tools</herd>
diff --git a/dev-libs/libffi/metadata.xml b/dev-libs/libffi/metadata.xml
index 691534b035d1..5f8cc7e5a3df 100644
--- a/dev-libs/libffi/metadata.xml
+++ b/dev-libs/libffi/metadata.xml
@@ -31,6 +31,6 @@
 		between the two languages.
 	</longdescription>
 	<use>
-		<flag name='pax_kernel'>Use PaX emulated trampolines, for we can't use PROT_EXEC</flag>
+		<flag name="pax_kernel">Use PaX emulated trampolines, for we can't use PROT_EXEC</flag>
 	</use>
 </pkgmetadata>
diff --git a/dev-libs/libgee/metadata.xml b/dev-libs/libgee/metadata.xml
index 8f409b1b5785..7293646ec0ce 100644
--- a/dev-libs/libgee/metadata.xml
+++ b/dev-libs/libgee/metadata.xml
@@ -6,4 +6,3 @@
 libgee is a collection library providing GObject-based interfaces and classes for commonly used data structures. 
 </longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/libhid/metadata.xml b/dev-libs/libhid/metadata.xml
index 006ee5dd3d44..56f1b4ac218c 100644
--- a/dev-libs/libhid/metadata.xml
+++ b/dev-libs/libhid/metadata.xml
@@ -11,4 +11,3 @@ libusb, thus it requires no HID support in the kernel and provides means to
 take control over a device even if the kernel governs it.
 </longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/libhtmlparse/metadata.xml b/dev-libs/libhtmlparse/metadata.xml
index e96e35b1a37c..91f4e72fb544 100644
--- a/dev-libs/libhtmlparse/metadata.xml
+++ b/dev-libs/libhtmlparse/metadata.xml
@@ -5,4 +5,3 @@
 		<email>maintainer-needed@gentoo.org</email>
 	</maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libiconv/metadata.xml b/dev-libs/libiconv/metadata.xml
index c06fa3348596..7dc69ce46b28 100644
--- a/dev-libs/libiconv/metadata.xml
+++ b/dev-libs/libiconv/metadata.xml
@@ -8,4 +8,3 @@ functions as glibc already embed. Libraries and applications needs it
 when built in a non-glibc system.
 </longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/libisoburn/metadata.xml b/dev-libs/libisoburn/metadata.xml
index 8617e6515120..2a7ab78ef73b 100644
--- a/dev-libs/libisoburn/metadata.xml
+++ b/dev-libs/libisoburn/metadata.xml
@@ -7,14 +7,14 @@
 <name>Daniel Pielmeier</name>
 </maintainer>
 <use>
-<flag name='external-filters'>Allow the use of external processes as file content 
+<flag name="external-filters">Allow the use of external processes as file content 
 filters (Note: this is a potential security risk)</flag>
-<flag name='external-filters-setuid'>Also allow the use of external setuid 
+<flag name="external-filters-setuid">Also allow the use of external setuid 
 processes as file content filters (Note: this is a potential security 
 risk)</flag>
-<flag name='launch-frontend'>Enable the tcl gui for xorriso</flag>
-<flag name='launch-frontend-setuid'>Enable the tcl gui for xorriso under setuid</flag>
-<flag name='frontend-optional'>Use <pkg>dev-tcltk/bwidget</pkg> which is not strictly required for the frontend</flag>
+<flag name="launch-frontend">Enable the tcl gui for xorriso</flag>
+<flag name="launch-frontend-setuid">Enable the tcl gui for xorriso under setuid</flag>
+<flag name="frontend-optional">Use <pkg>dev-tcltk/bwidget</pkg> which is not strictly required for the frontend</flag>
 <flag name="cdio">Enable EXPERIMENTAL use of libcdio as system adapter</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/libisofs/metadata.xml b/dev-libs/libisofs/metadata.xml
index 7562711d5e18..3923327f830f 100644
--- a/dev-libs/libisofs/metadata.xml
+++ b/dev-libs/libisofs/metadata.xml
@@ -7,6 +7,6 @@
 <name>Daniel Pielmeier</name>
 </maintainer>
 <use>
-<flag name='verbose-debug'>Enable verbose debug messages</flag>
+<flag name="verbose-debug">Enable verbose debug messages</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/libjit/metadata.xml b/dev-libs/libjit/metadata.xml
index e35a06f44114..9d507edf580b 100644
--- a/dev-libs/libjit/metadata.xml
+++ b/dev-libs/libjit/metadata.xml
@@ -3,7 +3,7 @@
 <pkgmetadata>
 <herd>dotnet</herd>
 <use>
-  <flag name='interpreter'>Enable the libjit interpreter</flag>
-  <flag name='long-double'>Enable the use of long double for jit_nfloat</flag>
+  <flag name="interpreter">Enable the libjit interpreter</flag>
+  <flag name="long-double">Enable the use of long double for jit_nfloat</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/liblogging/metadata.xml b/dev-libs/liblogging/metadata.xml
index 44f1627a0be4..2db636027c31 100644
--- a/dev-libs/liblogging/metadata.xml
+++ b/dev-libs/liblogging/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>proxy-maintainers</herd>
diff --git a/dev-libs/libmaxminddb/metadata.xml b/dev-libs/libmaxminddb/metadata.xml
index 56ab0cfc283f..0c050f93d9a9 100644
--- a/dev-libs/libmaxminddb/metadata.xml
+++ b/dev-libs/libmaxminddb/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>netmon</herd>
diff --git a/dev-libs/libmcs/metadata.xml b/dev-libs/libmcs/metadata.xml
index 50547930c6fa..1cbd10187af0 100644
--- a/dev-libs/libmcs/metadata.xml
+++ b/dev-libs/libmcs/metadata.xml
@@ -5,5 +5,5 @@
           <email>jdhore@gentoo.org</email>
           <name>Jeff Horelick</name>
   </maintainer>
-  <longdescription></longdescription>
+  <longdescription/>
 </pkgmetadata>
diff --git a/dev-libs/libmodbus/metadata.xml b/dev-libs/libmodbus/metadata.xml
index 59acc2cc580e..5b80fb94c393 100644
--- a/dev-libs/libmodbus/metadata.xml
+++ b/dev-libs/libmodbus/metadata.xml
@@ -6,4 +6,3 @@
 <name>Michael Weber</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libmowgli/metadata.xml b/dev-libs/libmowgli/metadata.xml
index 9ee9b551c519..b5aaeb5112fa 100644
--- a/dev-libs/libmowgli/metadata.xml
+++ b/dev-libs/libmowgli/metadata.xml
@@ -10,5 +10,5 @@
     <name>Nathan Phillip Brink</name>
     <description>Co-maintainer</description>
   </maintainer>
-  <longdescription></longdescription>
+  <longdescription/>
 </pkgmetadata>
diff --git a/dev-libs/libnfc/metadata.xml b/dev-libs/libnfc/metadata.xml
index 77f62c528f0c..1ba29ed5552c 100644
--- a/dev-libs/libnfc/metadata.xml
+++ b/dev-libs/libnfc/metadata.xml
@@ -6,7 +6,7 @@
 		<name>Mike Auty</name>
 	</maintainer>
 	<use>
-		<flag name='pcsc-lite'>Enable NFC drivers that require pcsc-lite</flag>
+		<flag name="pcsc-lite">Enable NFC drivers that require pcsc-lite</flag>
 	</use>
 	<upstream>
 		<remote-id type="google-code">libnfc</remote-id>
diff --git a/dev-libs/libnl/metadata.xml b/dev-libs/libnl/metadata.xml
index 3513ab30fff4..3b7135cd9f7c 100644
--- a/dev-libs/libnl/metadata.xml
+++ b/dev-libs/libnl/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>netmon</herd>
diff --git a/dev-libs/libnsfb/metadata.xml b/dev-libs/libnsfb/metadata.xml
index 59acc2cc580e..5b80fb94c393 100644
--- a/dev-libs/libnsfb/metadata.xml
+++ b/dev-libs/libnsfb/metadata.xml
@@ -6,4 +6,3 @@
 <name>Michael Weber</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libntru/metadata.xml b/dev-libs/libntru/metadata.xml
index 07826665ce19..56b50d5bbfdd 100644
--- a/dev-libs/libntru/metadata.xml
+++ b/dev-libs/libntru/metadata.xml
@@ -6,6 +6,6 @@
 		<name>Julian Ospald</name>
 	</maintainer>
 	<upstream>
-		<remote-id type='github'>tbuktu/libntru</remote-id>
+		<remote-id type="github">tbuktu/libntru</remote-id>
 	</upstream>
 </pkgmetadata>
diff --git a/dev-libs/liboobs/metadata.xml b/dev-libs/liboobs/metadata.xml
index 211a06ad5e15..50bec160f4c9 100644
--- a/dev-libs/liboobs/metadata.xml
+++ b/dev-libs/liboobs/metadata.xml
@@ -9,4 +9,3 @@
 		backend and data consistency too
 	</longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/libparserutils/metadata.xml b/dev-libs/libparserutils/metadata.xml
index 59acc2cc580e..5b80fb94c393 100644
--- a/dev-libs/libparserutils/metadata.xml
+++ b/dev-libs/libparserutils/metadata.xml
@@ -6,4 +6,3 @@
 <name>Michael Weber</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/librep/metadata.xml b/dev-libs/librep/metadata.xml
index fe9769d2d645..d2bdcef1f0fe 100644
--- a/dev-libs/librep/metadata.xml
+++ b/dev-libs/librep/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/libserialport/metadata.xml b/dev-libs/libserialport/metadata.xml
index 253e7c37d1d4..92114080841c 100644
--- a/dev-libs/libserialport/metadata.xml
+++ b/dev-libs/libserialport/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>dev-embedded</herd>
diff --git a/dev-libs/libsigc++/metadata.xml b/dev-libs/libsigc++/metadata.xml
index 250a48ae1b6d..e6cf74a913d0 100644
--- a/dev-libs/libsigc++/metadata.xml
+++ b/dev-libs/libsigc++/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>gnome-mm</herd>
diff --git a/dev-libs/libsigsegv/metadata.xml b/dev-libs/libsigsegv/metadata.xml
index 4b262b79e9a6..9800397a8c40 100644
--- a/dev-libs/libsigsegv/metadata.xml
+++ b/dev-libs/libsigsegv/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <herd>common-lisp</herd>
diff --git a/dev-libs/libsqlora8/metadata.xml b/dev-libs/libsqlora8/metadata.xml
index 95a63af88f0a..36bb67f0972b 100644
--- a/dev-libs/libsqlora8/metadata.xml
+++ b/dev-libs/libsqlora8/metadata.xml
@@ -9,6 +9,6 @@
   interface. Makes simple programming tasks much easier than with plain OCI.
 </longdescription>
 <use>
-  <flag name='orathreads'>Use Oracle threads</flag>
+  <flag name="orathreads">Use Oracle threads</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/libtecla/metadata.xml b/dev-libs/libtecla/metadata.xml
index d610aa8dd553..63bef1b93f80 100644
--- a/dev-libs/libtecla/metadata.xml
+++ b/dev-libs/libtecla/metadata.xml
@@ -2,7 +2,7 @@
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 <herd>sci</herd>
-<longdescription lang='en'>
+<longdescription lang="en">
   The tecla library provides UNIX and LINUX programs with interactive
   command line editing facilities, similar to those of the UNIX tcsh
   shell. In addition to simple command-line editing, it supports
diff --git a/dev-libs/libtermkey/metadata.xml b/dev-libs/libtermkey/metadata.xml
index ade7dc18b040..e76fa845400b 100644
--- a/dev-libs/libtermkey/metadata.xml
+++ b/dev-libs/libtermkey/metadata.xml
@@ -3,6 +3,6 @@
 <pkgmetadata>
   <herd>vim</herd>
   <use>
-    <flag name='demos'>Install demos, which pulls in <pkg>dev-libs/glib</pkg></flag>
+    <flag name="demos">Install demos, which pulls in <pkg>dev-libs/glib</pkg></flag>
   </use>
 </pkgmetadata>
diff --git a/dev-libs/libtubo/metadata.xml b/dev-libs/libtubo/metadata.xml
index a4f8b1f78405..5e8c74af68e9 100644
--- a/dev-libs/libtubo/metadata.xml
+++ b/dev-libs/libtubo/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/libvformat/metadata.xml b/dev-libs/libvformat/metadata.xml
index cc4e10be77fa..7a70fdc98dd8 100644
--- a/dev-libs/libvformat/metadata.xml
+++ b/dev-libs/libvformat/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/libwapcaplet/metadata.xml b/dev-libs/libwapcaplet/metadata.xml
index 59acc2cc580e..5b80fb94c393 100644
--- a/dev-libs/libwapcaplet/metadata.xml
+++ b/dev-libs/libwapcaplet/metadata.xml
@@ -6,4 +6,3 @@
 <name>Michael Weber</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/libxls/metadata.xml b/dev-libs/libxls/metadata.xml
index e62d4c5ef23f..a21097895eca 100644
--- a/dev-libs/libxls/metadata.xml
+++ b/dev-libs/libxls/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <maintainer>
diff --git a/dev-libs/log4cxx/metadata.xml b/dev-libs/log4cxx/metadata.xml
index 6c89210a566e..637de3e45e09 100644
--- a/dev-libs/log4cxx/metadata.xml
+++ b/dev-libs/log4cxx/metadata.xml
@@ -3,9 +3,9 @@
 <pkgmetadata>
 <herd>cpp</herd>
 <use>
-  <flag name='smtp' restrict='&lt;dev-libs/log4cxx-0.10'>Offer SMTP support via
+  <flag name="smtp" restrict="&lt;dev-libs/log4cxx-0.10">Offer SMTP support via
     <pkg>net-libs/libsmtp</pkg></flag>
-  <flag name='smtp' restrict='&gt;=dev-libs/log4cxx-0.10'>Offer SMTP support via
+  <flag name="smtp" restrict="&gt;=dev-libs/log4cxx-0.10">Offer SMTP support via
     <pkg>net-libs/libesmtp</pkg></flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/lzo/metadata.xml b/dev-libs/lzo/metadata.xml
index caaa4ac67bad..25907ed30810 100644
--- a/dev-libs/lzo/metadata.xml
+++ b/dev-libs/lzo/metadata.xml
@@ -5,5 +5,5 @@
     <email>binki@gentoo.org</email>
     <name>Nathan Phillip Brink</name>
 </maintainer>
-<longdescription></longdescription>
+<longdescription/>
 </pkgmetadata>
diff --git a/dev-libs/m17n-lib/metadata.xml b/dev-libs/m17n-lib/metadata.xml
index 8c2cd4b2c2ab..47417744e979 100644
--- a/dev-libs/m17n-lib/metadata.xml
+++ b/dev-libs/m17n-lib/metadata.xml
@@ -3,19 +3,19 @@
 <pkgmetadata>
   <herd>cjk</herd>
   <use>
-    <flag name='X'>
+    <flag name="X">
       Builds the Graphical User Interface API and utilities for the
       package.
     </flag>
-    <flag name='anthy'>Enable support for <pkg>app-i18n/anthy</pkg>
+    <flag name="anthy">Enable support for <pkg>app-i18n/anthy</pkg>
     input method.</flag>
-    <flag name='athena'>Enable the MIT Athena widget set
+    <flag name="athena">Enable the MIT Athena widget set
     (<pkg>x11-libs/libXaw</pkg>)</flag>
-    <flag name='gd'>
+    <flag name="gd">
       Build API and utilities based on <pkg>media-libs/gd</pkg>. This
       flag is only meaningful if the X USE flag is also enabled.
     </flag>
-    <flag name='libotf'>Use <pkg>dev-libs/libotf</pkg> to handle OpenType fonts</flag>
-    <flag name='libxml2'>Use <pkg>dev-libs/libxml2</pkg> to parse XML</flag>
+    <flag name="libotf">Use <pkg>dev-libs/libotf</pkg> to handle OpenType fonts</flag>
+    <flag name="libxml2">Use <pkg>dev-libs/libxml2</pkg> to parse XML</flag>
   </use>
 </pkgmetadata>
diff --git a/dev-libs/nsgenbind/metadata.xml b/dev-libs/nsgenbind/metadata.xml
index 59acc2cc580e..5b80fb94c393 100644
--- a/dev-libs/nsgenbind/metadata.xml
+++ b/dev-libs/nsgenbind/metadata.xml
@@ -6,4 +6,3 @@
 <name>Michael Weber</name>
 </maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/nss/metadata.xml b/dev-libs/nss/metadata.xml
index 0e2139c45588..ef6105728a67 100644
--- a/dev-libs/nss/metadata.xml
+++ b/dev-libs/nss/metadata.xml
@@ -3,12 +3,12 @@
 <pkgmetadata>
 <herd>mozilla</herd>
 <use>
-  <flag name='cacert'>
+  <flag name="cacert">
     Include root/class3 certs from CAcert (http://http://www.cacert.org/) and
     Software in the Public Interest (http://www.spi-inc.org/)
   </flag>
-  <flag name='nss-pem'>Add support for libnsspem</flag>
-  <flag name='utils'>Install utilities included with the library</flag>
+  <flag name="nss-pem">Add support for libnsspem</flag>
+  <flag name="utils">Install utilities included with the library</flag>
 </use>
 <upstream>
   <remote-id type="cpe">cpe:/a:mozilla:nss</remote-id>
diff --git a/dev-libs/openssl/metadata.xml b/dev-libs/openssl/metadata.xml
index f4570654820f..b7cc1cd0ffd4 100644
--- a/dev-libs/openssl/metadata.xml
+++ b/dev-libs/openssl/metadata.xml
@@ -3,11 +3,11 @@
 <pkgmetadata>
 <herd>base-system</herd>
 <use>
- <flag name='asm'>Support assembly hand optimized crypto functions (i.e. faster run time)</flag>
- <flag name='bindist'>Disable EC algorithms (as they seem to be patented) -- note: changes the ABI</flag>
- <flag name='sctp'>Support for Stream Control Transmission Protocol</flag>
- <flag name='rfc3779'>Enable support for RFC 3779 (X.509 Extensions for IP Addresses and AS Identifiers)</flag>
- <flag name='tls-heartbeat'>Enable the Heartbeat Extension in TLS and DTLS</flag>
+ <flag name="asm">Support assembly hand optimized crypto functions (i.e. faster run time)</flag>
+ <flag name="bindist">Disable EC algorithms (as they seem to be patented) -- note: changes the ABI</flag>
+ <flag name="sctp">Support for Stream Control Transmission Protocol</flag>
+ <flag name="rfc3779">Enable support for RFC 3779 (X.509 Extensions for IP Addresses and AS Identifiers)</flag>
+ <flag name="tls-heartbeat">Enable the Heartbeat Extension in TLS and DTLS</flag>
 </use>
 <upstream>
  <remote-id type="cpe">cpe:/a:openssl:openssl</remote-id>
diff --git a/dev-libs/ppl/metadata.xml b/dev-libs/ppl/metadata.xml
index f109b1b3feb7..3584f23ed054 100644
--- a/dev-libs/ppl/metadata.xml
+++ b/dev-libs/ppl/metadata.xml
@@ -3,6 +3,6 @@
 <pkgmetadata>
 <herd>toolchain</herd>
 <use>
-  <flag name='lpsol'>Build the ppl_lpsol linear programming problem solver</flag>
+  <flag name="lpsol">Build the ppl_lpsol linear programming problem solver</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/qjson/metadata.xml b/dev-libs/qjson/metadata.xml
index 2218c376ad8d..8f60b5cd0e21 100644
--- a/dev-libs/qjson/metadata.xml
+++ b/dev-libs/qjson/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>qt</herd>
diff --git a/dev-libs/qqwing/metadata.xml b/dev-libs/qqwing/metadata.xml
index 8005424eadda..36fc81a79830 100644
--- a/dev-libs/qqwing/metadata.xml
+++ b/dev-libs/qqwing/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>gnome</herd>
diff --git a/dev-libs/safestr/metadata.xml b/dev-libs/safestr/metadata.xml
index fec67fc58f55..4f6f6bdd7a0d 100644
--- a/dev-libs/safestr/metadata.xml
+++ b/dev-libs/safestr/metadata.xml
@@ -12,4 +12,3 @@ handling should be straightforward.  The library should work on all modern
 Unix-like platforms, as well as any 32-bit Microsoft Windows OS.
 	</longdescription>
 </pkgmetadata>
-
diff --git a/dev-libs/softhsm/metadata.xml b/dev-libs/softhsm/metadata.xml
index 77def0a20ae6..0926560098f5 100644
--- a/dev-libs/softhsm/metadata.xml
+++ b/dev-libs/softhsm/metadata.xml
@@ -5,4 +5,3 @@
 		<email>mschiff@gentoo.org</email>
 	</maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/starpu/metadata.xml b/dev-libs/starpu/metadata.xml
index 362d9440a0a6..8a26ab4f6d52 100644
--- a/dev-libs/starpu/metadata.xml
+++ b/dev-libs/starpu/metadata.xml
@@ -5,7 +5,7 @@
   <email>bicatali@gentoo.org</email>
   <description>Feel free to update and/or fix</description>
 </maintainer>
-<longdescription lang='en'>
+<longdescription lang="en">
   StarPU is a runtime system that offers support for heterogeneous
   multicore machines. While many efforts are devoted to design efficient
   computation kernels for those architectures (e.g. to implement BLAS
diff --git a/dev-libs/totem-pl-parser/metadata.xml b/dev-libs/totem-pl-parser/metadata.xml
index dd1d648bb304..90786c3676d9 100644
--- a/dev-libs/totem-pl-parser/metadata.xml
+++ b/dev-libs/totem-pl-parser/metadata.xml
@@ -3,7 +3,7 @@
 <pkgmetadata>
 <herd>gnome</herd>
 <use>
-	<flag name='archive'>Enables support for accessing media files in archives
+	<flag name="archive">Enables support for accessing media files in archives
 		transparently via <pkg>app-arch/libarchive</pkg></flag>
 	<flag name="quvi">Use <pkg>media-libs/libquvi</pkg> for parsing video
 		links</flag>
diff --git a/dev-libs/ucommon/metadata.xml b/dev-libs/ucommon/metadata.xml
index 2b98dd2884d8..076cf488c9c0 100644
--- a/dev-libs/ucommon/metadata.xml
+++ b/dev-libs/ucommon/metadata.xml
@@ -11,6 +11,6 @@
 	<name>Maxim Koltsov</name>
 </maintainer>
 <use>
-	<flag name='socks'>Build with socks proxy support</flag>
+	<flag name="socks">Build with socks proxy support</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/userspace-rcu/metadata.xml b/dev-libs/userspace-rcu/metadata.xml
index 8597f04b7089..a6cb317dc98b 100644
--- a/dev-libs/userspace-rcu/metadata.xml
+++ b/dev-libs/userspace-rcu/metadata.xml
@@ -3,6 +3,6 @@
 <pkgmetadata>
 <herd>base-system</herd>
 <use>
-<flag name='regression-test'>Run regression tests (requires FEATURES=test)</flag>
+<flag name="regression-test">Run regression tests (requires FEATURES=test)</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/uthash/metadata.xml b/dev-libs/uthash/metadata.xml
index b492c34d82ce..85dd9367f83e 100644
--- a/dev-libs/uthash/metadata.xml
+++ b/dev-libs/uthash/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
   <herd>proxy-maintainers</herd>
diff --git a/dev-libs/weston/metadata.xml b/dev-libs/weston/metadata.xml
index 56eac9860482..dd18351dc2cc 100644
--- a/dev-libs/weston/metadata.xml
+++ b/dev-libs/weston/metadata.xml
@@ -3,21 +3,21 @@
 <pkgmetadata>
 <herd>x11</herd>
 <use>
-	<flag name='colord'>Allow setting color managment</flag>
-	<flag name='drm'>Enable drm compositor support</flag>
-	<flag name='editor'>Install wayland-editor example application</flag>
-	<flag name='egl'>Enable egl acceleration</flag>
-	<flag name='fbdev'>Enable fbdev compositor support</flag>
-	<flag name='gles2'>Use GLESv2 cairo instead of full GL</flag>
-	<flag name='headless'>Headless backend and a noop renderer, mainly for testing purposes</flag>
-	<flag name='ivi'>Enable the IVI shell</flag>
-	<flag name='launch'>Install weston-launch utility</flag>
-	<flag name='rdp'>Enable Remote Desktop Protocol compositor support</flag>
-	<flag name='resize-optimization'>Increase performance, allocate more RAM. Recommended to disable on Raspberry Pi</flag>
-	<flag name='rpi'>Raspberry Pi GPU support</flag>
-	<flag name='screen-sharing'>Enable screen-sharing through RDP</flag>
-	<flag name='unwind'>Enable libunwind usage for backtraces</flag>
-	<flag name='wayland-compositor'>Enable Wayland compositor support</flag>
-	<flag name='xwayland'>Enable ability support native X11 applications</flag>
+	<flag name="colord">Allow setting color managment</flag>
+	<flag name="drm">Enable drm compositor support</flag>
+	<flag name="editor">Install wayland-editor example application</flag>
+	<flag name="egl">Enable egl acceleration</flag>
+	<flag name="fbdev">Enable fbdev compositor support</flag>
+	<flag name="gles2">Use GLESv2 cairo instead of full GL</flag>
+	<flag name="headless">Headless backend and a noop renderer, mainly for testing purposes</flag>
+	<flag name="ivi">Enable the IVI shell</flag>
+	<flag name="launch">Install weston-launch utility</flag>
+	<flag name="rdp">Enable Remote Desktop Protocol compositor support</flag>
+	<flag name="resize-optimization">Increase performance, allocate more RAM. Recommended to disable on Raspberry Pi</flag>
+	<flag name="rpi">Raspberry Pi GPU support</flag>
+	<flag name="screen-sharing">Enable screen-sharing through RDP</flag>
+	<flag name="unwind">Enable libunwind usage for backtraces</flag>
+	<flag name="wayland-compositor">Enable Wayland compositor support</flag>
+	<flag name="xwayland">Enable ability support native X11 applications</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/xapian/metadata.xml b/dev-libs/xapian/metadata.xml
index 2860138a1536..ca3e85bc56d8 100644
--- a/dev-libs/xapian/metadata.xml
+++ b/dev-libs/xapian/metadata.xml
@@ -20,8 +20,8 @@
 		applications.
 	</longdescription>
 	<use>
-		<flag name='brass'>Enabled brass backend db support</flag>
-		<flag name='chert'>Enabled chert backend db support</flag>
-		<flag name='inmemory'>Enabled inmemory backend db support</flag>
+		<flag name="brass">Enabled brass backend db support</flag>
+		<flag name="chert">Enabled chert backend db support</flag>
+		<flag name="inmemory">Enabled inmemory backend db support</flag>
 	</use>
 </pkgmetadata>
diff --git a/dev-libs/xerces-c/metadata.xml b/dev-libs/xerces-c/metadata.xml
index 4ae03a969480..b6a7983cc612 100644
--- a/dev-libs/xerces-c/metadata.xml
+++ b/dev-libs/xerces-c/metadata.xml
@@ -4,12 +4,12 @@
 <herd>cpp</herd>
 <longdescription>xerces-c is a C++ library specializing in XML parsing. It is released by the Apache Foundation</longdescription>
 <use>
-  <flag name='iconv'>Use iconv (<pkg>virtual/libiconv</pkg>) as message loader
+  <flag name="iconv">Use iconv (<pkg>virtual/libiconv</pkg>) as message loader
     and transcoder (in general it would be possible to use iconv only as
     message loader and something else like icu or the native method as
     transcoder and vice-versa, but this is a less common case and hard to
     handle)</flag>
-  <flag name='threads'>Enable threading support through pthread (or other
+  <flag name="threads">Enable threading support through pthread (or other
     libraries on AIX, IRIX, HPUX, Solars). Highly recommended</flag>
 </use>
 </pkgmetadata>
diff --git a/dev-libs/xml-security-c/metadata.xml b/dev-libs/xml-security-c/metadata.xml
index adf837241a71..c4c05198b310 100644
--- a/dev-libs/xml-security-c/metadata.xml
+++ b/dev-libs/xml-security-c/metadata.xml
@@ -3,9 +3,9 @@
 <pkgmetadata>
 	<herd>cpp</herd>
 	<use>
-		<flag name='xalan'>Enable support for XSLT and XPath parsing 
+		<flag name="xalan">Enable support for XSLT and XPath parsing 
 			by <pkg>dev-libs/xalan-c</pkg></flag>
-		<flag name='nss'>Use <pkg>dev-libs/nss</pkg> for certain crypto
+		<flag name="nss">Use <pkg>dev-libs/nss</pkg> for certain crypto
 			operations (configureable at runtime)</flag>
 	</use>
 </pkgmetadata>
diff --git a/dev-libs/xmlrpc-c/metadata.xml b/dev-libs/xmlrpc-c/metadata.xml
index 409bfb3e712f..9ddbbfea12a8 100644
--- a/dev-libs/xmlrpc-c/metadata.xml
+++ b/dev-libs/xmlrpc-c/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<maintainer>
diff --git a/dev-libs/xmlwrapp/metadata.xml b/dev-libs/xmlwrapp/metadata.xml
index 3b13d8c5ba8d..aad795610fd3 100644
--- a/dev-libs/xmlwrapp/metadata.xml
+++ b/dev-libs/xmlwrapp/metadata.xml
@@ -1,4 +1,4 @@
-<?xml version='1.0' encoding='UTF-8'?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
 	<herd>cpp</herd>
diff --git a/dev-libs/xxl/metadata.xml b/dev-libs/xxl/metadata.xml
index e96e35b1a37c..91f4e72fb544 100644
--- a/dev-libs/xxl/metadata.xml
+++ b/dev-libs/xxl/metadata.xml
@@ -5,4 +5,3 @@
 		<email>maintainer-needed@gentoo.org</email>
 	</maintainer>
 </pkgmetadata>
-
diff --git a/dev-libs/yaz/metadata.xml b/dev-libs/yaz/metadata.xml
index fe6745443ea3..e4a06d13745f 100644
--- a/dev-libs/yaz/metadata.xml
+++ b/dev-libs/yaz/metadata.xml
@@ -6,6 +6,6 @@
   <name>Robin H. Johnson</name>
 </maintainer>
 <use>
-  <flag name='ziffy'>Install ziffy, a promiscuous Z39.50 APDU sniffer</flag>
+  <flag name="ziffy">Install ziffy, a promiscuous Z39.50 APDU sniffer</flag>
 </use>
 </pkgmetadata>