[rand] Remove non-macro use of \xspace

jensmaurer · tkoeppe · commit fa355b136ca3 · 2017-11-21T21:56:01.000Z
diff --git a/source/numerics.tex b/source/numerics.tex
@@ -1448,7 +1448,7 @@
 
 \begin{enumeratea}
  \item
-   the operator \rightshift\xspace
+   the operator \rightshift{}
    denotes a bitwise right shift
    with zero-valued bits appearing in the high bits of the result,
  and
