Updates keyword list using nimrod's doc/keywords.txt.

syntax/nimrod.vim

@@ -32,19 +32,23 @@ syn region nimrodBrackets       contained extend keepend matchgroup=Bold start=+
 syn keyword nimrodKeyword       addr and as asm atomic
 syn keyword nimrodKeyword       bind block break
 syn keyword nimrodKeyword       case cast const continue converter
-syn keyword nimrodKeyword       discard distinct div
-syn keyword nimrodKeyword       elif else enum except
-syn keyword nimrodKeyword       finally for from generic
-syn keyword nimrodKeyword       if implies import in include is isnot iterator
+syn keyword nimrodKeyword       discard distinct div do
+syn keyword nimrodKeyword       elif else end enum except export
+syn keyword nimrodKeyword       finally for from
+syn keyword nimrodKeyword       generic
+syn keyword nimrodKeyword       if import in include interface is isnot iterator
 syn keyword nimrodKeyword       lambda let
+syn keyword nimrodKeyword       mixin mod
 syn keyword nimrodKeyword       nil not notin
 syn keyword nimrodKeyword       object of or out
 syn keyword nimrodKeyword       proc method macro template nextgroup=nimrodFunction skipwhite
+syn keyword nimrodKeyword       ptr
 syn keyword nimrodKeyword       raise ref return
-syn keyword nimrodKeyword       shl shr xom mod and
+syn keyword nimrodKeyword       shared shl shr static
 syn keyword nimrodKeyword       try tuple type
-syn keyword nimrodKeyword       ptr var
+syn keyword nimrodKeyword       var
 syn keyword nimrodKeyword       when while with without
+syn keyword nimrodKeyword       xor
 syn keyword nimrodKeyword       yield
 
 syn match   nimrodFunction	    "[a-zA-Z_][a-zA-Z0-9_]*" contained