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.

6 files changed, 15 insertions, 17 deletions

diff --git a/mail-client/alpine/metadata.xml b/mail-client/alpine/metadata.xml
index 6b7b10eee90f..554dd62b44eb 100644
--- a/mail-client/alpine/metadata.xml
+++ b/mail-client/alpine/metadata.xml
@@ -3,14 +3,14 @@
 <pkgmetadata>
 	<herd>net-mail</herd>
 	<use>
-		<flag name='chappa'>enhance alpine by applying Eduardo Chappa's
+		<flag name="chappa">enhance alpine by applying Eduardo Chappa's
 			patches</flag>
-		<flag name='onlyalpine'>installs only the alpine binary, so it does
+		<flag name="onlyalpine">installs only the alpine binary, so it does
 			not collied with <pkg>app-editors/pico</pkg> and/or 
 			<pkg>mail-client/pine</pkg></flag>
-		<flag name='passfile'>Adds support for caching passwords into a file
+		<flag name="passfile">Adds support for caching passwords into a file
 			between sessions</flag>
-		<flag name='smime'>Enable support for S/MIME</flag>
-		<flag name='topal'>Enable support for <pkg>net-mail/topal</pkg></flag>
+		<flag name="smime">Enable support for S/MIME</flag>
+		<flag name="topal">Enable support for <pkg>net-mail/topal</pkg></flag>
 	</use>
 </pkgmetadata>
diff --git a/mail-client/balsa/metadata.xml b/mail-client/balsa/metadata.xml
index 43c78fdfad4a..8406e551eb55 100644
--- a/mail-client/balsa/metadata.xml
+++ b/mail-client/balsa/metadata.xml
@@ -3,10 +3,10 @@
 <pkgmetadata>
 	<herd>gnome</herd>
 	<use>
-		<flag name='crypt'>Adds support for GnuPG encryption</flag>
-		<flag name='gtkhtml'>Use gtkhtml for HTML rendering</flag>
-		<flag name='gtkspell'>Use gtkspell for dictionary support</flag>
-		<flag name='rubrica'>Adds support for <pkg>app-office/rubrica</pkg>
+		<flag name="crypt">Adds support for GnuPG encryption</flag>
+		<flag name="gtkhtml">Use gtkhtml for HTML rendering</flag>
+		<flag name="gtkspell">Use gtkspell for dictionary support</flag>
+		<flag name="rubrica">Adds support for <pkg>app-office/rubrica</pkg>
 			addressbook</flag>
 	</use>
 </pkgmetadata>
diff --git a/mail-client/geary/metadata.xml b/mail-client/geary/metadata.xml
index e98dd9082dc1..da6fd63d0085 100644
--- a/mail-client/geary/metadata.xml
+++ b/mail-client/geary/metadata.xml
@@ -3,4 +3,3 @@
 <pkgmetadata>
 <herd>gnome</herd>
 </pkgmetadata>
-
diff --git a/mail-client/mutt/metadata.xml b/mail-client/mutt/metadata.xml
index a0ca5a455f50..435dba8c3546 100644
--- a/mail-client/mutt/metadata.xml
+++ b/mail-client/mutt/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>net-mail</herd>
diff --git a/mail-client/nmh/metadata.xml b/mail-client/nmh/metadata.xml
index fd653cd8be8a..7c09058dd0c2 100644
--- a/mail-client/nmh/metadata.xml
+++ b/mail-client/nmh/metadata.xml
@@ -10,4 +10,3 @@
 <longdescription lang="en">
 </longdescription>
 </pkgmetadata>
-
diff --git a/mail-client/thunderbird/metadata.xml b/mail-client/thunderbird/metadata.xml
index 71406ae3c9e2..3121466c40e3 100644
--- a/mail-client/thunderbird/metadata.xml
+++ b/mail-client/thunderbird/metadata.xml
@@ -5,14 +5,14 @@
 <use>
 	<flag name="bindist">Disable official Thunderbird branding (icons, name) which 
 		are not binary-redistributable according to upstream.</flag>
-	<flag name='crypt'> Enable encryption support with enigmail</flag>
-	<flag name='mozdom'>Enable Mozilla's DOM inspector</flag>
-	<flag name='lightning'>Enable app-global calendar support
+	<flag name="crypt"> Enable encryption support with enigmail</flag>
+	<flag name="mozdom">Enable Mozilla's DOM inspector</flag>
+	<flag name="lightning">Enable app-global calendar support
 		(note 38.0 and above bundles calendar support when this flag is off)</flag>
-	<flag name='custom-optimization'>Fine-tune custom compiler optimizations
+	<flag name="custom-optimization">Fine-tune custom compiler optimizations
 		(-Os, -O0, -O1, -O2, -O3)</flag>
 	<flag name="jemalloc3">Enable or disable jemalloc3 (forced-on when supported prior to 38.0)</flag>
-	<flag name='gstreamer-0'>Use gstreamer:0.10 instead of gstreamer:1 for media support</flag>
+	<flag name="gstreamer-0">Use gstreamer:0.10 instead of gstreamer:1 for media support</flag>
 	<flag name="system-cairo">Use the system-wide <pkg>x11-libs/cairo</pkg>
 		instead of bundled.</flag>
 	<flag name="system-icu">Use the system-wide <pkg>dev-libs/icu</pkg>