Merge 2018-03 LWG Motion 11

Author: zygoloid

source/intro.tex

@@ -35,8 +35,18 @@
 \begin{itemize}
 \item Ecma International, \doccite{ECMAScript Language Specification},
 Standard Ecma-262, third edition, 1999.
+%%% Format for this entry is based on that specified at
+%%% http://www.iec.ch/standardsdev/resources/draftingpublications/directives/principles/referencing.htm
+\item INTERNET ENGINEERING TASK FORCE (IETF). RFC 6557:
+Procedures for Maintaining the Time Zone Database [online].
+Edited by E. Lear, P. Eggert.
+February 2012 [viewed 2018-03-26].
+Available at
+\url{https://www.ietf.org/rfc/rfc6557.txt}
 \item ISO/IEC 2382 (all parts), \doccite{Information technology ---
 Vocabulary}
+\item ISO 8601:2004, \doccite{Data elements and interchange formats ---
+Information interchange --- Representation of dates and times}
 \item ISO/IEC 9899:2011, \doccite{Programming languages --- C}
 \item ISO/IEC 9945:2003, \doccite{Information Technology --- Portable
 Operating System Interface (POSIX)}

source/iostreams.tex

@@ -10741,7 +10741,7 @@
   enum class copy_options;
   enum class directory_options;
 
-  using file_time_type = chrono::time_point<@\textit{trivial-clock}@>;
+  using file_time_type = chrono::time_point<chrono::file_clock>;
 
   // \ref{fs.op.funcs}, filesystem operations
   path absolute(const path& p);

source/threads.tex

@@ -27,6 +27,10 @@
 requirements.
 If a template parameter is named \tcode{Predicate}, \tcode{operator()} applied to
 the template argument shall return a value that is convertible to \tcode{bool}.
+If a template parameter is named \tcode{Clock},
+the corresponding template argument shall be a type \tcode{C}
+for which \tcode{is_clock_v<C>} is \tcode{true};
+otherwise the program is ill-formed.
 
 \rSec2[thread.req.exception]{Exceptions}