diff --git a/date.html b/date.html
index dda74cc..ca24085 100644
--- a/date.html
+++ b/date.html
@@ -26,7 +26,7 @@
 <br/>
 <br/>
 <a href="mailto:howard.hinnant@gmail.com">Howard E. Hinnant</a><br/>
-2017-08-18<br/>
+2017-09-30<br/>
 </address>
 <hr/>
 <h1 align=center><code>date</code></h1>
@@ -1787,7 +1787,6 @@ static data members of <code>period</code> which are converted to arrays of
 </p>
 </blockquote>
 
-
 <a name="sys_time"></a><h3><code>sys_time</code></h3>
 
 <blockquote>
@@ -2089,9 +2088,9 @@ quantity between any two <code>day</code>'s.  One can form a <code>day</code> li
 <p><b>Specification</b></p>
 
 <p>
-<code>day</code> is a trivially copyable class type.</br>
-<code>day</code> is a standard-layout class type.</br>
-<code>day</code> is a literal class type.</br>
+<code>day</code> is a trivially copyable class type.<br/>
+<code>day</code> is a standard-layout class type.<br/>
+<code>day</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -2465,9 +2464,9 @@ the year.
 <p><b>Specification</b></p>
 
 <p>
-<code>month</code> is a trivially copyable class type.</br>
-<code>month</code> is a standard-layout class type.</br>
-<code>month</code> is a literal class type.</br>
+<code>month</code> is a trivially copyable class type.<br/>
+<code>month</code> is a standard-layout class type.<br/>
+<code>month</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -2853,9 +2852,9 @@ with <code>_y</code>.  And one can stream out a <code>year</code> for debugging
 <p><b>Specification</b></p>
 
 <p>
-<code>year</code> is a trivially copyable class type.</br>
-<code>year</code> is a standard-layout class type.</br>
-<code>year</code> is a literal class type.</br>
+<code>year</code> is a trivially copyable class type.<br/>
+<code>year</code> is a standard-layout class type.<br/>
+<code>year</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -3291,9 +3290,9 @@ fourth, fifth or last weekdays of a month.
 <p><b>Specification</b></p>
 
 <p>
-<code>weekday</code> is a trivially copyable class type.</br>
-<code>weekday</code> is a standard-layout class type.</br>
-<code>weekday</code> is a literal class type.</br>
+<code>weekday</code> is a trivially copyable class type.<br/>
+<code>weekday</code> is a standard-layout class type.<br/>
+<code>weekday</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -3662,9 +3661,9 @@ static_assert(wdi.index() == 2);
 <p><b>Specification</b></p>
 
 <p>
-<code>weekday_indexed</code> is a trivially copyable class type.</br>
-<code>weekday_indexed</code> is a standard-layout class type.</br>
-<code>weekday_indexed</code> is a literal class type.</br>
+<code>weekday_indexed</code> is a trivially copyable class type.<br/>
+<code>weekday_indexed</code> is a standard-layout class type.<br/>
+<code>weekday_indexed</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -3794,9 +3793,9 @@ static_assert(wdl.weekday() == sun);
 <p><b>Specification</b></p>
 
 <p>
-<code>weekday_last</code> is a trivially copyable class type.</br>
-<code>weekday_last</code> is a standard-layout class type.</br>
-<code>weekday_last</code> is a literal class type.</br>
+<code>weekday_last</code> is a trivially copyable class type.<br/>
+<code>weekday_last</code> is a standard-layout class type.<br/>
+<code>weekday_last</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -3924,9 +3923,9 @@ debugging purposes.
 <p><b>Specification</b></p>
 
 <p>
-<code>month_day</code> is a trivially copyable class type.</br>
-<code>month_day</code> is a standard-layout class type.</br>
-<code>month_day</code> is a literal class type.</br>
+<code>month_day</code> is a trivially copyable class type.<br/>
+<code>month_day</code> is a standard-layout class type.<br/>
+<code>month_day</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -4154,9 +4153,9 @@ static_assert(mdl.month() == feb);
 <p><b>Specification</b></p>
 
 <p>
-<code>month_day_last</code> is a trivially copyable class type.</br>
-<code>month_day_last</code> is a standard-layout class type.</br>
-<code>month_day_last</code> is a literal class type.</br>
+<code>month_day_last</code> is a trivially copyable class type.<br/>
+<code>month_day_last</code> is a standard-layout class type.<br/>
+<code>month_day_last</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -4305,9 +4304,9 @@ operator&lt;&lt;(std::basic_ostream&lt;class CharT, class Traits&gt;&amp; os, co
 <p><b>Specification</b></p>
 
 <p>
-<code>month_weekday</code> is a trivially copyable class type.</br>
-<code>month_weekday</code> is a standard-layout class type.</br>
-<code>month_weekday</code> is a literal class type.</br>
+<code>month_weekday</code> is a trivially copyable class type.<br/>
+<code>month_weekday</code> is a standard-layout class type.<br/>
+<code>month_weekday</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -4428,9 +4427,9 @@ operator&lt;&lt;(std::basic_ostream&lt;class CharT, class Traits&gt;&amp; os, co
 <p><b>Specification</b></p>
 
 <p>
-<code>month_weekday_last</code> is a trivially copyable class type.</br>
-<code>month_weekday_last</code> is a standard-layout class type.</br>
-<code>month_weekday_last</code> is a literal class type.</br>
+<code>month_weekday_last</code> is a trivially copyable class type.<br/>
+<code>month_weekday_last</code> is a standard-layout class type.<br/>
+<code>month_weekday_last</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -4584,9 +4583,9 @@ debugging purposes.
 <p><b>Specification</b></p>
 
 <p>
-<code>year_month</code> is a trivially copyable class type.</br>
-<code>year_month</code> is a standard-layout class type.</br>
-<code>year_month</code> is a literal class type.</br>
+<code>year_month</code> is a trivially copyable class type.<br/>
+<code>year_month</code> is a standard-layout class type.<br/>
+<code>year_month</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -4964,9 +4963,9 @@ There is also a conversion <i>from</i> <code>sys_days</code>.
 <p><b>Specification</b></p>
 
 <p>
-<code>year_month_day</code> is a trivially copyable class type.</br>
-<code>year_month_day</code> is a standard-layout class type.</br>
-<code>year_month_day</code> is a literal class type.</br>
+<code>year_month_day</code> is a trivially copyable class type.<br/>
+<code>year_month_day</code> is a standard-layout class type.<br/>
+<code>year_month_day</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -5428,9 +5427,9 @@ comparable.
 <p><b>Specification</b></p>
 
 <p>
-<code>year_month_day_last</code> is a trivially copyable class type.</br>
-<code>year_month_day_last</code> is a standard-layout class type.</br>
-<code>year_month_day_last</code> is a literal class type.</br>
+<code>year_month_day_last</code> is a trivially copyable class type.<br/>
+<code>year_month_day_last</code> is a standard-layout class type.<br/>
+<code>year_month_day_last</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -5796,9 +5795,9 @@ efficiently supports <code>days</code> oriented arithmetic.
 <p><b>Specification</b></p>
 
 <p>
-<code>year_month_weekday</code> is a trivially copyable class type.</br>
-<code>year_month_weekday</code> is a standard-layout class type.</br>
-<code>year_month_weekday</code> is a literal class type.</br>
+<code>year_month_weekday</code> is a trivially copyable class type.<br/>
+<code>year_month_weekday</code> is a standard-layout class type.<br/>
+<code>year_month_weekday</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -6183,9 +6182,9 @@ efficiently supports <code>days</code> oriented arithmetic.
 <p><b>Specification</b></p>
 
 <p>
-<code>year_month_weekday_last</code> is a trivially copyable class type.</br>
-<code>year_month_weekday_last</code> is a standard-layout class type.</br>
-<code>year_month_weekday_last</code> is a literal class type.</br>
+<code>year_month_weekday_last</code> is a trivially copyable class type.<br/>
+<code>year_month_weekday_last</code> is a standard-layout class type.<br/>
+<code>year_month_weekday_last</code> is a literal class type.<br/>
 </p>
 
 <pre>
@@ -6938,9 +6937,9 @@ enum {am = 1, pm};
 </pre>
 
 <p>
-Each specialization of <code>time_of_day</code> is a trivially copyable class type.</br>
-Each specialization of <code>time_of_day</code> is a standard-layout class type.</br>
-Each specialization of <code>time_of_day</code> is a literal class type.</br>
+Each specialization of <code>time_of_day</code> is a trivially copyable class type.<br/>
+Each specialization of <code>time_of_day</code> is a standard-layout class type.<br/>
+Each specialization of <code>time_of_day</code> is a literal class type.<br/>
 </p>
 
 <pre>