Reserve a single block of opcodes and enumerants for Saarland University (#343)

diff --git a/include/spirv/spir-v.xml b/include/spirv/spir-v.xml
index e1e878c..9dea8d9 100644
--- a/include/spirv/spir-v.xml
+++ b/include/spirv/spir-v.xml
@@ -142,13 +142,14 @@
     <ids type="opcode" start="6400" end="6463" vendor="Intel" comment="Contact ben.ashbaugh@intel.com"/>
     <ids type="opcode" start="6464" end="6527" vendor="N/A" comment="Blank range to keep alignment with non-opcodes"/>
     <ids type="opcode" start="6528" end="6591" vendor="Codeplay" comment="Contact duncan.brawley@codeplay.com"/>
+    <ids type="opcode" start="6592" end="6655" vendor="Saarland University" comment="Contact devillers@cg.uni-saarland.de"/>
     <!-- Opcode enumerants to reserve for future use. To get a block, allocate
          multiples of 64 starting at the lowest available point in this
          block and add a corresponding <ids> tag immediately above. Make
          sure to fill in the vendor attribute, and preferably add a contact
          person/address in a comment attribute. -->
     <!-- Example new block: <ids type="opcode" start="XXXX" end="XXXX+64n-1" vendor="Add vendor" comment="Contact TBD"/> -->
-    <ids type="opcode" start="6592" end="65535" comment="Opcode range reservable for future use by vendors"/>
+    <ids type="opcode" start="6656" end="65535" comment="Opcode range reservable for future use by vendors"/>
     <!-- End reservations of opcodes -->
 
 
@@ -173,13 +174,14 @@
     <ids type="enumerant" start="6400" end="6463" vendor="Intel" comment="Contact ben.ashbaugh@intel.com"/>
     <ids type="enumerant" start="6464" end="6527" vendor="Mikkosoft Productions" comment="Contact Mikko Rasa, tdb@tdb.fi"/>
     <ids type="enumerant" start="6528" end="6591" vendor="Codeplay" comment="Contact duncan.brawley@codeplay.com"/>
+    <ids type="enumerant" start="6592" end="6655" vendor="Saarland University" comment="Contact devillers@cg.uni-saarland.de"/>
     <!-- Enumerants to reserve for future use. To get a block, allocate
          multiples of 64 starting at the lowest available point in this
          block and add a corresponding <ids> tag immediately above. Make
          sure to fill in the vendor attribute, and preferably add a contact
          person/address in a comment attribute. -->
     <!-- Example new block: <ids type="enumerant" start="XXXX" end="XXXX+64n-1" vendor="Add vendor" comment="Contact TBD"/> -->
-    <ids type="enumerant" start="6592" end="4294967295" comment="Enumerant range reservable for future use by vendors"/>
+    <ids type="enumerant" start="6656" end="4294967295" comment="Enumerant range reservable for future use by vendors"/>
     <!-- End reservations of enumerants -->