Whitespace shenanigans in XML

Why does LL have such a weird standard?

indra/newview/app_settings/settings_alchemy.xml

@@ -257,29 +257,29 @@
     </map>
     <key>AlchemyHudTextFadeDistance</key>
     <map>
-        <key>Comment</key>
-        <string>Distance at which hover text starts fading.</string>
-        <key>Persist</key>
-        <integer>1</integer>
-        <key>Type</key>
-        <string>F32</string>
-        <key>Value</key>
-        <real>4.0</real>
+      <key>Comment</key>
+      <string>Distance at which hover text starts fading.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>4.0</real>
     </map>
     <key>AlchemyHudTextFadeRange</key>
     <map>
-        <key>Comment</key>
-        <string>Distance over which hover text will fade out.</string>
-        <key>Persist</key>
-        <integer>1</integer>
-        <key>Type</key>
-        <string>F32</string>
-        <key>Value</key>
-        <real>8.0</real>
+      <key>Comment</key>
+      <string>Distance over which hover text will fade out.</string>
+      <key>Persist</key>
+      <integer>1</integer>
+      <key>Type</key>
+      <string>F32</string>
+      <key>Value</key>
+      <real>8.0</real>
     </map>
     <key>AlchemyLookAtShow</key>
     <map>
-        <key>Comment</key>
+      <key>Comment</key>
       <string>If true, avatar look at beacons will be displayed</string>
       <key>Persist</key>
       <integer>1</integer>