PIP-0009: syntax highlighting in MD

PIP/PIP-0009.md

@@ -189,7 +189,7 @@ Formal definitions are as follows:
 
 This selects random bytes for AChunk using XorShift32 RNG. The initial seed is the CHECKSUM of AChunk. If CHECKSUM is 0 then 1 is used instead.
 
-```
+```pascal
     function MemTransform1(AChunk: TBytes): TBytes
     var
       i, LChunkLength : UInt32
@@ -219,7 +219,7 @@ This selects random bytes for AChunk using XorShift32 RNG. The initial seed is t
 
 ##### Memory Transform 2
 
-```
+```pascal
     function MemTransform2(AChunk: TBytes): TBytes
     var
       i, LChunkLength, LPivot, LOdd: Int32