nixos/*: normalize link format

make (almost) all links appear on only a single line, with no
unnecessary whitespace, using double quotes for attributes. this lets us
automatically convert them to markdown easily.

the few remaining links are extremely long link in a gnome module, we'll
come back to those at a later date.

4 files changed, 15 insertions, 30 deletions

diff --git a/nixos/modules/security/acme/default.nix b/nixos/modules/security/acme/default.nix
index 5f4344d451c88..4bc3d8e743d39 100644
--- a/nixos/modules/security/acme/default.nix
+++ b/nixos/modules/security/acme/default.nix
@@ -581,8 +581,8 @@ let
           Turns on the OCSP Must-Staple TLS extension.
           Make sure you know what you're doing! See:
           <itemizedlist>
-            <listitem><para><link xlink:href="https://blog.apnic.net/2019/01/15/is-the-web-ready-for-ocsp-must-staple/" /></para></listitem>
-            <listitem><para><link xlink:href="https://blog.hboeck.de/archives/886-The-Problem-with-OCSP-Stapling-and-Must-Staple-and-why-Certificate-Revocation-is-still-broken.html" /></para></listitem>
+            <listitem><para><link xlink:href="https://blog.apnic.net/2019/01/15/is-the-web-ready-for-ocsp-must-staple/"/></para></listitem>
+            <listitem><para><link xlink:href="https://blog.hboeck.de/archives/886-The-Problem-with-OCSP-Stapling-and-Must-Staple-and-why-Certificate-Revocation-is-still-broken.html"/></para></listitem>
           </itemizedlist>
         '';
       };
diff --git a/nixos/modules/security/pam.nix b/nixos/modules/security/pam.nix
index 7903d333411bd..8a70e5f3adbd4 100644
--- a/nixos/modules/security/pam.nix
+++ b/nixos/modules/security/pam.nix
@@ -831,8 +831,7 @@ in
 
           If set, users can log in with SSH keys and PKCS#11 tokens.
 
-          More information can be found <link
-          xlink:href="https://github.com/OpenSC/pam_p11">here</link>.
+          More information can be found <link xlink:href="https://github.com/OpenSC/pam_p11">here</link>.
         '';
       };
 
@@ -872,8 +871,7 @@ in
           <literal>username:first_keyHandle,first_public_key: second_keyHandle,second_public_key</literal>
           This file can be generated using <command>pamu2fcfg</command> command.
 
-          More information can be found <link
-          xlink:href="https://developers.yubico.com/pam-u2f/">here</link>.
+          More information can be found <link xlink:href="https://developers.yubico.com/pam-u2f/">here</link>.
         '';
       };
 
@@ -894,8 +892,7 @@ in
           <literal>username:first_keyHandle,first_public_key: second_keyHandle,second_public_key</literal>
           This file can be generated using <command>pamu2fcfg</command> command.
 
-          More information can be found <link
-          xlink:href="https://developers.yubico.com/pam-u2f/">here</link>.
+          More information can be found <link xlink:href="https://developers.yubico.com/pam-u2f/">here</link>.
         '';
       };
 
@@ -909,9 +906,7 @@ in
             When using <command>pamu2fcfg</command>, you can specify your
             application ID with the <literal>-i</literal> flag.
 
-            More information can be found <link
-            xlink:href="https://developers.yubico.com/pam-u2f/Manuals/pam_u2f.8.html">
-            here</link>
+            More information can be found <link xlink:href="https://developers.yubico.com/pam-u2f/Manuals/pam_u2f.8.html">here</link>
         '';
       };
 
@@ -927,9 +922,7 @@ in
             When using <command>pamu2fcfg</command>, you can specify your
             application ID with the <literal>-o</literal> flag.
 
-            More information can be found <link
-            xlink:href="https://developers.yubico.com/pam-u2f/Manuals/pam_u2f.8.html">
-            here</link>
+            More information can be found <link xlink:href="https://developers.yubico.com/pam-u2f/Manuals/pam_u2f.8.html">here</link>
         '';
       };
 
@@ -995,8 +988,7 @@ in
           Note that this module must both be enabled using this option and on a
           per-PAM-service level as well (using <literal>usshAuth</literal>).
 
-          More information can be found <link
-          xlink:href="https://github.com/uber/pam-ussh">here</link>.
+          More information can be found <link xlink:href="https://github.com/uber/pam-ussh">here</link>.
         '';
       };
 
@@ -1084,8 +1076,7 @@ in
 
           The file must have only one line:
           <literal>username:yubikey_token_id1:yubikey_token_id2</literal>
-          More information can be found <link
-          xlink:href="https://developers.yubico.com/yubico-pam/">here</link>.
+          More information can be found <link xlink:href="https://developers.yubico.com/yubico-pam/">here</link>.
         '';
       };
       control = mkOption {
@@ -1130,8 +1121,7 @@ in
           Challenge-Response configurations. See the man-page ykpamcfg(1) for further
           details on how to configure offline Challenge-Response validation.
 
-          More information can be found <link
-          xlink:href="https://developers.yubico.com/yubico-pam/Authentication_Using_Challenge-Response.html">here</link>.
+          More information can be found <link xlink:href="https://developers.yubico.com/yubico-pam/Authentication_Using_Challenge-Response.html">here</link>.
         '';
       };
       challengeResponsePath = mkOption {
@@ -1140,8 +1130,7 @@ in
         description = ''
           If not null, set the path used by yubico pam module where the challenge expected response is stored.
 
-          More information can be found <link
-          xlink:href="https://developers.yubico.com/yubico-pam/Authentication_Using_Challenge-Response.html">here</link>.
+          More information can be found <link xlink:href="https://developers.yubico.com/yubico-pam/Authentication_Using_Challenge-Response.html">here</link>.
         '';
       };
     };
diff --git a/nixos/modules/security/pam_mount.nix b/nixos/modules/security/pam_mount.nix
index e159a73b66a46..ae314abd86c60 100644
--- a/nixos/modules/security/pam_mount.nix
+++ b/nixos/modules/security/pam_mount.nix
@@ -33,8 +33,7 @@ in
         default = [];
         description = ''
           List of volume definitions for pam_mount.
-          For more information, visit <link
-          xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html" />.
+          For more information, visit <link xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html"/>.
         '';
       };
 
@@ -67,8 +66,7 @@ in
         description = ''
           Sets the Debug-Level. 0 disables debugging, 1 enables pam_mount tracing,
           and 2 additionally enables tracing in mount.crypt. The default is 0.
-          For more information, visit <link
-          xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html" />.
+          For more information, visit <link xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html"/>.
         '';
       };
 
@@ -78,8 +76,7 @@ in
         description = ''
           Amount of microseconds to wait until killing remaining processes after
           final logout.
-          For more information, visit <link
-          xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html" />.
+          For more information, visit <link xlink:href="http://pam-mount.sourceforge.net/pam_mount.conf.5.html"/>.
         '';
       };
 
diff --git a/nixos/modules/security/pam_usb.nix b/nixos/modules/security/pam_usb.nix
index 51d81e823f867..71e2af8f3a514 100644
--- a/nixos/modules/security/pam_usb.nix
+++ b/nixos/modules/security/pam_usb.nix
@@ -19,8 +19,7 @@ in
         default = false;
         description = ''
           Enable USB login for all login systems that support it.  For
-          more information, visit <link
-          xlink:href="https://github.com/aluzzardi/pam_usb/wiki/Getting-Started#setting-up-devices-and-users" />.
+          more information, visit <link xlink:href="https://github.com/aluzzardi/pam_usb/wiki/Getting-Started#setting-up-devices-and-users"/>.
         '';
       };