[range.repeat.iterator] Use statement form of "Equivalent to"

Author: jensmaurer

source/ranges.tex

@@ -3573,7 +3573,7 @@
 \begin{itemdescr}
 \pnum
 \effects
-Equivalent to \tcode{x.\exposid{current_} == y.\exposid{current_}}.
+Equivalent to: \tcode{return x.\exposid{current_} == y.\exposid{current_};}.
 \end{itemdescr}
 
 \indexlibrarymember{operator<=>}{repeat_view::iterator}%
@@ -3584,7 +3584,7 @@
 \begin{itemdescr}
 \pnum
 \effects
-Equivalent to \tcode{x.\exposid{current_} <=> y.\exposid{current_}}.
+Equivalent to: \tcode{return x.\exposid{current_} <=> y.\exposid{current_};}.
 \end{itemdescr}
 
 \indexlibrarymember{operator+}{repeat_view::iterator}%