diff --git a/source/iterators.tex b/source/iterators.tex
index 79e3ddbfb9..95bda670bf 100644
--- a/source/iterators.tex
+++ b/source/iterators.tex
@@ -1887,7 +1887,7 @@
 \ref{bidirectional.iterators}, \ref{random.access.iterators}).
 
 \pnum
-A type \tcode{X} meets the \oldconcept{Iterator} requirements if:
+A type \tcode{X} meets the \defnoldconcept{Iterator} requirements if:
 \begin{itemize}
 \item \tcode{X} meets the \oldconcept{CopyConstructible}, \oldconcept{CopyAssignable}, and
 \oldconcept{Destructible} requirements\iref{utility.arg.requirements} and lvalues
@@ -1961,7 +1961,7 @@
 \end{example}
 
 \begin{libreqtab4b}
-{\oldconcept{InputIterator} requirements (in addition to \oldconcept{Iterator})}
+{\defnoldconcept{InputIterator} requirements (in addition to \oldconcept{Iterator})}
 {inputiterator}
 \\ \topline
 \lhdr{Expression}   &   \chdr{Return type}  &   \chdr{Operational}  &   \rhdr{Assertion/note}       \\
@@ -2036,7 +2036,7 @@
 are valid and have the indicated semantics.
 
 \begin{libreqtab4b}[floattable]
-{\oldconcept{OutputIterator} requirements (in addition to \oldconcept{Iterator})}
+{\defnoldconcept{OutputIterator} requirements (in addition to \oldconcept{Iterator})}
 {outputiterator}
 \topline
 \lhdr{Expression}   &   \chdr{Return type}  &   \chdr{Operational}  &   \rhdr{Assertion/note}       \\
@@ -2133,7 +2133,7 @@
 \end{note}
 
 \begin{libreqtab4b}[floattable]
-{\oldconcept{ForwardIterator} requirements (in addition to \oldconcept{InputIterator})}
+{\defnoldconcept{ForwardIterator} requirements (in addition to \oldconcept{InputIterator})}
 {forwarditerator}
 \topline
 \lhdr{Expression}   &   \chdr{Return type}  &   \chdr{Operational}  &   \rhdr{Assertion/note}       \\
@@ -2169,7 +2169,7 @@
 the following expressions are valid as shown in \tref{bidirectionaliterator}.
 
 \begin{libreqtab4b}[floattable]
-{\oldconcept{BidirectionalIterator} requirements (in addition to \oldconcept{ForwardIterator})}
+{\defnoldconcept{BidirectionalIterator} requirements (in addition to \oldconcept{ForwardIterator})}
 {bidirectionaliterator}
 \topline
 \lhdr{Expression}   &   \chdr{Return type}  &   \chdr{Operational}  &   \rhdr{Assertion/note}       \\
@@ -2209,7 +2209,7 @@
 the following expressions are valid as shown in \tref{randomaccessiterator}.
 
 \begin{libreqtab4b}
-{\oldconcept{RandomAccessIterator} requirements (in addition to \oldconcept{BidirectionalIterator})}
+{\defnoldconcept{RandomAccessIterator} requirements (in addition to \oldconcept{BidirectionalIterator})}
 {randomaccessiterator}
 \\ \topline
 \lhdr{Expression}   &   \chdr{Return type}  &   \chdr{Operational}  &   \rhdr{Assertion/note}       \\