Fix syntax-check error in domain.rng

Replace tab with spaces.

diff --git a/docs/schemas/domain.rng b/docs/schemas/domain.rng
index 43c8c44b651d6704ae37a896ab1ceadc0f1de708..bbbc846c83da09e8ecd678f9cba61504df08f16a 100644 (file)
--- a/docs/schemas/domain.rng
+++ b/docs/schemas/domain.rng
@@ -1149,7 +1149,7 @@
                   <value>insecure</value>
                 </choice>
               </attribute>
-             <empty/>
+              <empty/>
             </element>
           </zeroOrMore>
         </group>