[rand] Remove non-macro use of \xspace

jensmaurer · jensmaurer · commit 4885ae198157 · 2017-02-08T08:58:00.000+01:00
diff --git a/source/numerics.tex b/source/numerics.tex
@@ -1465,7 +1465,7 @@
 
 \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
