[range.iota.view] Rename IOTA_DIFF_T to the preferred IOTA-DIFF-T.

Author: zygoloid

source/ranges.tex

@@ -1805,19 +1805,19 @@
 \end{codeblock}
 
 \pnum
-Let \tcode{\placeholdernc{IOTA_DIFF_T}(W)} be defined as follows:
+Let \tcode{\placeholdernc{IOTA-DIFF-T}(W)} be defined as follows:
 \begin{itemize}
 \item
   If \tcode{W} is not an integral type, or
   if it is an integral type and \tcode{sizeof(iter_difference_t<W>)}
   is greater than \tcode{sizeof(W)},
-  then \tcode{\placeholdernc{IOTA_DIFF_T}(W)} denotes \tcode{iter_difference_t<W>}.
+  then \tcode{\placeholdernc{IOTA-DIFF-T}(W)} denotes \tcode{iter_difference_t<W>}.
 \item
-  Otherwise, \tcode{\placeholdernc{IOTA_DIFF_T}(W)}
+  Otherwise, \tcode{\placeholdernc{IOTA-DIFF-T}(W)}
   is a signed integer type of width greater than the width of \tcode{W}
   if such a type exists.
 \item
-  Otherwise, \tcode{\placeholdernc{IOTA_DIFF_T}(W)}
+  Otherwise, \tcode{\placeholdernc{IOTA-DIFF-T}(W)}
   is an unspecified signed-integer-like type\iref{iterator.concept.winc}
   of width not less than the width of \tcode{W}.
   \begin{note}
@@ -1865,17 +1865,17 @@
 template<class I>
   concept @\placeholder{Advanceable}@ =
     @\placeholdernc{Decrementable}@<I> && StrictTotallyOrdered<I> &&
-    requires(I i, const I j, const @\placeholdernc{IOTA_DIFF_T}@(I) n) {
+    requires(I i, const I j, const @\placeholdernc{IOTA-DIFF-T}@(I) n) {
       { i += n } -> Same<I&>;
       { i -= n } -> Same<I&>;
       I(j + n);
       I(n + j);
       I(j - n);
-      { j - j } -> ConvertibleTo<@\placeholdernc{IOTA_DIFF_T}@(I)>;
+      { j - j } -> ConvertibleTo<@\placeholdernc{IOTA-DIFF-T}@(I)>;
     };
 \end{itemdecl}
 
-Let \tcode{D} be \tcode{\placeholdernc{IOTA_DIFF_T}(I)}.
+Let \tcode{D} be \tcode{\placeholdernc{IOTA-DIFF-T}(I)}.
 Let \tcode{a} and \tcode{b} be objects of type \tcode{I} such that
 \tcode{b} is reachable from \tcode{a}
 after \tcode{n} applications of \tcode{++a},
@@ -1891,7 +1891,7 @@
   \tcode{I(a + D(x + y))} is equal to \tcode{I(I(a + x) + y)}.
 \item \tcode{I(a + D(0))} is equal to \tcode{a}.
 \item If \tcode{I(a + D(n - 1))} is well-defined, then
-  \tcode{I(a + n)} is equal to \tcode{[](I c) { return ++c; }(I(a + D(n - 1)))}.
+  \tcode{I(a + n)} is equal to \tcode{[](I c) \{ return ++c; \}(I(a + D(n - 1)))}.
 \item \tcode{(b += -n)} is equal to \tcode{a}.
 \item \tcode{(b -= n)} is equal to \tcode{a}.
 \item \tcode{addressof(b -= n)} is equal to \tcode{addressof(b)}.
@@ -2008,7 +2008,7 @@
   public:
     using iterator_category = @\seebelow@;
     using value_type = W;
-    using difference_type = @\placeholdernc{IOTA_DIFF_T}@(W);
+    using difference_type = @\placeholdernc{IOTA-DIFF-T}@(W);
 
     iterator() = default;
     constexpr explicit iterator(W value);