datetime2 (20jul18)

git-svn-id: svn://tug.org/texlive/trunk@48236 c570f23f-e606-0410-a88d-b1316a301751

15 files changed, 334 insertions, 161 deletions

diff --git a/Master/texmf-dist/doc/latex/datetime2/CHANGES b/Master/texmf-dist/doc/latex/datetime2/CHANGES
index a978a00e2ce..3435b72e1f0 100644
--- a/Master/texmf-dist/doc/latex/datetime2/CHANGES
+++ b/Master/texmf-dist/doc/latex/datetime2/CHANGES
@@ -1,3 +1,8 @@
+1.5.3 (2018-07-20):
+
+  * Bug fix: removed unwanted \relax inserted in negative time zones
+    for all base numeric styles.
+
 1.5.2 (2016-07-12):
 
   * Added \DTMifhasstyle, \DTMifhasdatestyle, \DTMifhastimestyle,
diff --git a/Master/texmf-dist/doc/latex/datetime2/README b/Master/texmf-dist/doc/latex/datetime2/README
index 208bce8ae08..5f393336d87 100644
--- a/Master/texmf-dist/doc/latex/datetime2/README
+++ b/Master/texmf-dist/doc/latex/datetime2/README
@@ -1,6 +1,6 @@
-LaTeX Package : datetime2 v1.5.2 
+LaTeX Package : datetime2 v1.5.3 
 
-Last Modified : 2016-07-12
+Last Modified : 2018-07-20
 
 Author        : Nicola Talbot
 
diff --git a/Master/texmf-dist/doc/latex/datetime2/datetime2.pdf b/Master/texmf-dist/doc/latex/datetime2/datetime2.pdf
index 566371182a8..a15e11feb43 100644
--- a/Master/texmf-dist/doc/latex/datetime2/datetime2.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/datetime2.pdf
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-babel.pdf b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-babel.pdf
index 475b6986b57..578625e683e 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-babel.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-babel.pdf
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-calc.pdf b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-calc.pdf
index e1ffdb55273..02e2ba10da7 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-calc.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-calc.pdf
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-filedate.pdf b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-filedate.pdf
index d951ae6dc0c..3e2c3e54d23 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-filedate.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-filedate.pdf
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-hyperref.pdf b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-hyperref.pdf
index de54cef3b2f..b26477e0e40 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-hyperref.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-hyperref.pdf
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-journal.pdf b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-journal.pdf
index 240315500da..5fd36633352 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-journal.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-journal.pdf
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.pdf b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.pdf
index 31fa4321a35..76dbfd1e824 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.pdf
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.tex b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.tex
index 6d11198794e..28d042f7297 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.tex
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-styles.tex
@@ -3,66 +3,82 @@
 % to be installed.
 
 % arara: pdflatex
-\documentclass[english]{article}
+\documentclass[english]{report}
 
 \usepackage{datetime2}
 
 %\DTMsetup{showseconds=false,datesep=/,timesep=.}
 
-\begin{document}
-\DTMsavetimestamp{mydate}{2015-04-01T08:05:00+01:00}
-\DTMsavetimestamp{mydate2}{2015-04-01T08:13:45+01:00}
-
-Default: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (default): \DTMnow. \DTMuse{mydate}.}
-
-\DTMsetstyle{iso}
-
-ISO: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (iso): \DTMnow. \DTMuse{mydate}.}
-
-\DTMsetstyle{pdf}
-
-PDF: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (pdf): \DTMnow. \DTMuse{mydate}.}
-
-\DTMsetstyle{ddmmyyyy}
-
-ddmmyyyy: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (ddmmyyyy): \DTMnow. \DTMuse{mydate}.}
+\newcommand{\testdate}[1]{%
+  \DTMsetstyle{#1}\section{Style `#1'}\par
+  \begin{tabular}{ll}
+  Now: & \DTMnow.\\
+  Positive Time Zone: & \DTMuse{mydate+}\\
+  Negative Time Zone: & \DTMuse{mydate-}\\
+  Zero Time Zone: & \DTMuse{mydate0}
+  \end{tabular}\par
+  \typeout{Date-Time (#1): \DTMnow.}%
+}
 
-\DTMsetstyle{dmyyyy}
+\newcommand{\testtime}[1]{%
+  \DTMsettimestyle{#1}%
+  \section{#1}\par
+  \begin{tabular}{ll}
+  Now: & \DTMcurrenttime.\\
+  0 milliseconds: & \DTMusetime{mydate+}.\\
+  45 milliseconds: & \DTMusetime{mydate2}.\\
+  Noon: & \DTMusetime{noon}.\\
+  Midnight (0hrs): & \DTMusetime{midnight1}.\\
+  Midnight (24hrs): & \DTMusetime{midnight2}.\\
+  Morning: & \DTMusetime{8am}.\\
+  Evening: & \DTMusetime{8pm}.\\
+  Post-Midday: & \DTMusetime{1203}.\\
+  Post-Midnight (24hr): & \DTMusetime{2401}.\\
+  Post-Midnight (0hr): & \DTMusetime{0001}.
+  \end{tabular}\par
+  \typeout{Time (#1): \DTMcurrenttime.
+   \DTMusetime{mydate}.
+   \DTMusetime{mydate2}.
+   \DTMusetime{noon}.
+   \DTMusetime{midnight1}.
+   \DTMusetime{midnight2}.
+   \DTMusetime{8am}.
+   \DTMusetime{8pm}.
+   \DTMusetime{1203}.
+   \DTMusetime{2401}.
+   \DTMusetime{0001}.
+  }%
+}
 
-dmyyyy: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (dmyyyy): \DTMnow. \DTMuse{mydate}.}
+\begin{document}
+\chapter{Date-Time Styles}
+\DTMsavetimestamp{mydate+}{2015-04-01T08:05:00+01:00}
+\DTMsavetimestamp{mydate-}{2015-04-01T08:05:00-01:00}
+\DTMsavetimestamp{mydate0}{2015-04-01T08:05:00+00:00}
 
-\DTMsetstyle{dmyy}
+\testdate{default}
 
-dmyy: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (dmyy): \DTMnow. \DTMuse{mydate}.}
+\testdate{iso}
 
-\DTMsetstyle{mmddyyyy}
+\testdate{pdf}
 
-mmddyyyy: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (mmddyyyy): \DTMnow. \DTMuse{mydate}.}
+\testdate{ddmmyyyy}
 
-\DTMsetstyle{mdyyyy}
+\testdate{dmyyyy}
 
-mdyyyy: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (mdyyyy): \DTMnow. \DTMuse{mydate}.}
+\testdate{dmyy}
 
-\DTMsetstyle{mdyy}
+\testdate{mmddyyyy}
 
-mdyy: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (mdyy): \DTMnow. \DTMuse{mydate}.}
+\testdate{mdyyyy}
 
-\DTMsetstyle{yyyymd}
+\testdate{mdyy}
 
-yyyymd: \DTMnow. \DTMuse{mydate}.
-\typeout{Date-Time (yyyymd): \DTMnow. \DTMuse{mydate}.}
+\testdate{yyyymd}
 
-Testing time styles.
+\chapter{Time Styles}
 
+\DTMsavetimestamp{mydate2}{2015-04-01T08:13:45+01:00}
 \DTMsavetime{noon}{12:00:00}
 \DTMsavetime{midnight1}{00:00:00}
 \DTMsavetime{midnight2}{24:00:00}
@@ -72,70 +88,15 @@ Testing time styles.
 \DTMsavetime{2401}{24:01:00}
 \DTMsavetime{0001}{00:01:00}
 
-\DTMsettimestyle{hmmss}
-
-hmmss: \DTMcurrenttime. \DTMusetime{mydate}.
-\DTMusetime{mydate2}.
-\DTMusetime{noon}.
-\DTMusetime{midnight1}.
-\DTMusetime{midnight2}.
-\DTMusetime{8am}.
-\DTMusetime{8pm}.
-\DTMusetime{1203}.
-\DTMusetime{2401}.
-\DTMusetime{0001}.
-
-\typeout{Time (hmmss): \DTMcurrenttime.
- \DTMusetime{mydate}.
- \DTMusetime{mydate2}.
- \DTMusetime{noon}.
- \DTMusetime{midnight1}.
- \DTMusetime{midnight2}.
- \DTMusetime{8am}.
- \DTMusetime{8pm}.
- \DTMusetime{1203}.
- \DTMusetime{2401}.
- \DTMusetime{0001}.
-}
+\testtime{hmmss}
 
-\DTMsettimestyle{englishampm}
-ampm: \DTMcurrenttime. 
-\DTMusetime{mydate}.
-\DTMusetime{mydate2}.
-\DTMusetime{noon}.
-\DTMusetime{midnight1}.
-\DTMusetime{midnight2}.
-\DTMusetime{8am}.
-\DTMusetime{8pm}.
-\DTMusetime{1203}.
-\DTMusetime{2401}.
-\DTMusetime{0001}.
-
-\typeout{Time (ampm): \DTMcurrenttime.
-\DTMusetime{mydate}.
-\DTMusetime{mydate2}.
-\DTMusetime{noon}.
-\DTMusetime{midnight1}.
-\DTMusetime{midnight2}.
-\DTMusetime{8am}.
-\DTMusetime{8pm}.
-\DTMusetime{1203}.
-\DTMusetime{2401}.
-\DTMusetime{0001}.
-}
+\testtime{englishampm}
 
 \renewcommand*{\DTMenglishampmfmt}[1]{\protect\textsc{#1}}
 
-(ampm sc) \DTMcurrenttime. 
-\DTMusetime{mydate}.
-\DTMusetime{mydate2}.
-\DTMusetime{noon}.
-\DTMusetime{midnight1}.
-\DTMusetime{midnight2}.
-\DTMusetime{8am}.
-\DTMusetime{8pm}.
-\DTMusetime{1203}.
-\DTMusetime{2401}.
-\DTMusetime{0001}.
+\bigskip
+
+(Redefining \verb|\DTMenglishampmfmt| for following test.)
+\testtime{englishampm}
 
 \end{document}
diff --git a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-xe.pdf b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-xe.pdf
index 2345f4b2feb..bcf2d0b7eab 100644
--- a/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-xe.pdf
+++ b/Master/texmf-dist/doc/latex/datetime2/samples/datetime2-sample-xe.pdf
diff --git a/Master/texmf-dist/source/latex/datetime2/datetime2.dtx b/Master/texmf-dist/source/latex/datetime2/datetime2.dtx
index 569cd0b0ef7..8791e302ed5 100644
--- a/Master/texmf-dist/source/latex/datetime2/datetime2.dtx
+++ b/Master/texmf-dist/source/latex/datetime2/datetime2.dtx
@@ -1,13 +1,13 @@
 %\iffalse
-% datetime2.dtx generated using makedtx version 1.1 (c) Nicola Talbot
+% datetime2.dtx generated using makedtx version 1.2 (c) Nicola Talbot
 % Command line args:
-%   -author "Nicola Talbot"
 %   -src "datetime2.sty\Z=>datetime2.sty"
 %   -src "datetime2-calc.sty\Z=>datetime2-calc.sty"
-%   -section "chapter"
+%   -author "Nicola Talbot"
 %   -doc "datetime2-manual.tex"
+%   -section "chapter"
 %   datetime2
-% Created on 2016/7/12 13:25
+% Created on 2018/7/20 12:36
 %\fi
 %\iffalse
 %<*package>
@@ -30,7 +30,7 @@
 %\fi
 % \iffalse
 % Doc-Source file to use with LaTeX2e
-% Copyright (C) 2016 Nicola Talbot, all rights reserved.
+% Copyright (C) 2018 Nicola Talbot, all rights reserved.
 % \fi
 % \iffalse
 %<*driver>
@@ -47,7 +47,7 @@
             pdfauthor={Nicola L.C. Talbot},
             pdftitle={datetime2: date and time formats}]{hyperref}
 
-\CheckSum{2558}
+\CheckSum{2622}
 \RecordChanges
 \DisableCrossrefs
 
@@ -91,11 +91,11 @@
 %
 %\MakeShortVerb{"}
 %
-%\title{datetime2 v1.5.2:
+%\title{datetime2 v1.5.3:
 %date and time formats}
 %\author{Nicola L. C. Talbot\\\url{http://www.dickimaw-books.com/}}
 %
-%\date{2016-07-12}
+%\date{2018-07-20}
 %\maketitle
 %
 %\begin{abstract}
@@ -2608,7 +2608,7 @@
 %\DTMsaveddatetojulianday{mydate}{\myct}
 %\end{verbatim}
 %
-%\begin{definition}[\DescribeMacro\DTMsaveddateoffsettojuliandate]
+%\begin{definition}[\DescribeMacro\DTMsaveddateoffsettojulianday]
 %\cs{DTMsaveddateoffsettojulianday}\marg{name}\marg{offset}\marg{register}
 %\end{definition}
 %This is like the previous command but converts the date obtained by
@@ -5686,7 +5686,7 @@
 %\changes{1.0}{2015-03-24}{Initial release}
 %    \begin{macrocode}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{datetime2}[2016/07/12 v1.5.2 (NLCT) date and time formats]
+\ProvidesPackage{datetime2}[2018/07/20 v1.5.3 (NLCT) date and time formats]
 %    \end{macrocode}
 % Use \sty{tracklang} to find out what languages have been loaded.
 %    \begin{macrocode}
@@ -5727,7 +5727,23 @@
   {%
 %    \end{macrocode} 
 %Neither \cs{pdfcreationdate} nor \cs{pdffeedback} are defined.
-%(The \TeX\ format is most probably \XeLaTeX.) If \sty{texosquery}
+%(The \TeX\ format is most probably \XeLaTeX.)
+%If the \sty{locale} package has been loaded, \cs{LocaleNowStamp}
+%should be available.
+%    \begin{macrocode} 
+    \ifdef\LocaleNowStamp
+    {%
+      \ifx\LocaleNowStamp\empty
+%    \end{macrocode} 
+%OS query failed, so there's no point trying directly with
+%\sty{texosquery}.
+%    \begin{macrocode} 
+      \else
+        \let\dtm@pdfcreationdate\LocaleNowStamp
+      \fi
+    }%
+%    \end{macrocode} 
+% If \sty{texosquery}
 %has been loaded, then the current date and time can be fetched
 %using \ics{TeXOSQueryNow} provided the shell escape has been
 %enabled. (It might not be, so don't automatically load
@@ -5736,19 +5752,21 @@
 %been defined.
 %\changes{1.5.2}{2016-07-12}{added check for \cs{TeXOSQueryNow}}
 %    \begin{macrocode}
-    \ifdef\TeXOSQueryNow
     {%
-      \TeXOSQueryNow{\dtm@pdfcreationdate}%
-      \ifdefempty\dtm@pdfcreationdate
+      \ifdef\TeXOSQueryNow
       {%
+        \TeXOSQueryNow{\dtm@pdfcreationdate}%
+        \ifdefempty\dtm@pdfcreationdate
+        {%
 %   \end{macrocode}
 %Failed (maybe shell escape has been disabled).
 %   \begin{macrocode}
-        \undef\dtm@pdfcreationdate
+          \undef\dtm@pdfcreationdate
+        }%
+        {}%
       }%
       {}%
     }%
-    {}%
   }%
 }
 %    \end{macrocode} 
@@ -7465,7 +7483,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7518,7 +7541,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes:\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7571,7 +7599,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}'\DTMtwodigits{##2}'%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}'\DTMtwodigits{##2}'%
      }%
    }%
  }%
@@ -7616,7 +7649,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7671,7 +7709,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7728,7 +7771,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7785,7 +7833,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7841,7 +7894,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7896,7 +7954,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -7953,7 +8016,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -8010,7 +8078,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -8066,7 +8139,12 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -8122,7 +8200,12 @@
  {hhmm}% label
  {%
     \renewcommand*\DTMdisplaytime[3]{%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+%    \end{macrocode}
+%\changes{1.5.3}{2018-07-20}{added space after test}
+%A space is needed after the conditional to prevent an unwanted
+%\cs{relax} from being inserted if the time zone is negative.
+%    \begin{macrocode}
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
     }%
  }
@@ -8245,6 +8328,38 @@
 %\end{macro}
 %
 %\begin{macro}{\DTMsavenow}
+%\changes{1.5.3}{??}{new}
+%Save the date-time stamp in PDF format.
+%    \begin{macrocode}
+\newrobustcmd*{\DTMsavepdftimestamp}[2]{%
+  \edef\@dtm@tmp{#2}%
+  \ifx\@dtm@tmp\empty
+    \cslet{@dtm@#1@year}{0}%
+    \cslet{@dtm@#1@month}{0}%
+    \cslet{@dtm@#1@day}{0}%
+    \cslet{@dtm@#1@dow}{0}%
+    \cslet{@dtm@#1@hour}{0}%
+    \cslet{@dtm@#1@minute}{0}%
+    \cslet{@dtm@#1@second}{0}%
+    \cslet{@dtm@#1@TZhour}{0}%
+    \cslet{@dtm@#1@TZminute}{0}%
+  \else
+  \expandafter\@dtm@parsepdfdatetime\@dtm@tmp\@dtm@endparsepdfdatetime
+    \cslet{@dtm@#1@year}{\@dtm@year}%
+    \cslet{@dtm@#1@month}{\@dtm@month}%
+    \cslet{@dtm@#1@day}{\@dtm@day}%
+    \cslet{@dtm@#1@dow}{\@dtm@dow}%
+    \cslet{@dtm@#1@hour}{\@dtm@hour}%
+    \cslet{@dtm@#1@minute}{\@dtm@minute}%
+    \cslet{@dtm@#1@second}{\@dtm@second}%
+    \cslet{@dtm@#1@TZhour}{\@dtm@timezonehour}%
+    \cslet{@dtm@#1@TZminute}{\@dtm@timezoneminute}%
+  \fi
+}
+%    \end{macrocode}
+%\end{macro}
+%
+%\begin{macro}{\DTMsavenow}
 %Save the current time.
 %    \begin{macrocode}
 \newrobustcmd{\DTMsavenow}[1]{%
@@ -8746,7 +8861,7 @@
 %\section{datetime2-calc.sty code}
 %    \begin{macrocode}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{datetime2-calc}[2016/07/12 v1.5.2 (NLCT)]
+\ProvidesPackage{datetime2-calc}[2018/07/20 v1.5.3 (NLCT)]
 %    \end{macrocode}
 % Load other required packages
 %    \begin{macrocode}
@@ -9312,6 +9427,57 @@
 %    \end{macrocode}
 %\end{macro}
 %
+%These are shared with the \sty{locale} package, so they may already
+%be defined.
+%\begin{macro}{\dtmMondayIndex}
+%\changes{1.5.3}{??}{new}
+%    \begin{macrocode}
+\def\dtmMondayIndex{0}
+%    \end{macrocode}
+%\end{macro}
+%
+%\begin{macro}{\dtmTuesdayIndex}
+%\changes{1.5.3}{??}{new}
+%    \begin{macrocode}
+\def\dtmTuesdayIndex{1}
+%    \end{macrocode}
+%\end{macro}
+%
+%\begin{macro}{\dtmWednesdayIndex}
+%\changes{1.5.3}{??}{new}
+%    \begin{macrocode}
+\def\dtmWednesdayIndex{2}
+%    \end{macrocode}
+%\end{macro}
+%
+%\begin{macro}{\dtmThursdayIndex}
+%\changes{1.5.3}{??}{new}
+%    \begin{macrocode}
+\def\dtmThursdayIndex{3}
+%    \end{macrocode}
+%\end{macro}
+%
+%\begin{macro}{\dtmFridayIndex}
+%\changes{1.5.3}{??}{new}
+%    \begin{macrocode}
+\def\dtmFridayIndex{4}
+%    \end{macrocode}
+%\end{macro}
+%
+%\begin{macro}{\dtmSaturdayIndex}
+%\changes{1.5.3}{??}{new}
+%    \begin{macrocode}
+\def\dtmSaturdayIndex{5}
+%    \end{macrocode}
+%\end{macro}
+%
+%\begin{macro}{\dtmSundayIndex}
+%\changes{1.5.3}{??}{new}
+%    \begin{macrocode}
+\def\dtmSundayIndex{6}
+%    \end{macrocode}
+%\end{macro}
+%
 %\begin{macro}{\DTMweekdayname}
 %\changes{1.3}{2016-01-22}{new}
 %    \begin{macrocode}
diff --git a/Master/texmf-dist/source/latex/datetime2/datetime2.ins b/Master/texmf-dist/source/latex/datetime2/datetime2.ins
index b9087ee09f3..91a29acb334 100644
--- a/Master/texmf-dist/source/latex/datetime2/datetime2.ins
+++ b/Master/texmf-dist/source/latex/datetime2/datetime2.ins
@@ -1,14 +1,14 @@
-% datetime2.ins generated using makedtx version 1.1 2016/7/12 13:25
+% datetime2.ins generated using makedtx version 1.2 2018/7/20 12:36
 \input docstrip
 
 \preamble
 
  datetime2.dtx
- Copyright 2016 Nicola Talbot
+ Copyright 2018 Nicola Talbot
 
  This work may be distributed and/or modified under the
  conditions of the LaTeX Project Public License, either version 1.3
- of this license of (at your option) any later version.
+ of this license or (at your option) any later version.
  The latest version of this license is in
    http://www.latex-project.org/lppl.txt
  and version 1.3 or later is part of all distributions of LaTeX
diff --git a/Master/texmf-dist/tex/latex/datetime2/datetime2-calc.sty b/Master/texmf-dist/tex/latex/datetime2/datetime2-calc.sty
index a3cc47301d5..989794768a2 100644
--- a/Master/texmf-dist/tex/latex/datetime2/datetime2-calc.sty
+++ b/Master/texmf-dist/tex/latex/datetime2/datetime2-calc.sty
@@ -7,11 +7,11 @@
 %% datetime2.dtx  (with options: `datetime2-calc.sty,package')
 %% 
 %%  datetime2.dtx
-%%  Copyright 2016 Nicola Talbot
+%%  Copyright 2018 Nicola Talbot
 %% 
 %%  This work may be distributed and/or modified under the
 %%  conditions of the LaTeX Project Public License, either version 1.3
-%%  of this license of (at your option) any later version.
+%%  of this license or (at your option) any later version.
 %%  The latest version of this license is in
 %%    http://www.latex-project.org/lppl.txt
 %%  and version 1.3 or later is part of all distributions of LaTeX
@@ -39,7 +39,7 @@
 %%   Grave accent  \`     Left brace    \{     Vertical bar  \|
 %%   Right brace   \}     Tilde         \~}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{datetime2-calc}[2016/07/12 v1.5.2 (NLCT)]
+\ProvidesPackage{datetime2-calc}[2018/07/20 v1.5.3 (NLCT)]
 \RequirePackage{pgfkeys}
 \RequirePackage{pgfcalendar}
 \newcount\@dtm@julianday
@@ -340,6 +340,13 @@
   \pgfcalendarjuliantoweekday{\@dtm@julianday}{\count@}%
   \edef#2{\number\count@}%
 }
+\def\dtmMondayIndex{0}
+\def\dtmTuesdayIndex{1}
+\def\dtmWednesdayIndex{2}
+\def\dtmThursdayIndex{3}
+\def\dtmFridayIndex{4}
+\def\dtmSaturdayIndex{5}
+\def\dtmSundayIndex{6}
 \newrobustcmd{\DTMweekdayname}[1]{%
   \ifcsdef{DTM\languagename weekdayname}%
   {%
diff --git a/Master/texmf-dist/tex/latex/datetime2/datetime2.sty b/Master/texmf-dist/tex/latex/datetime2/datetime2.sty
index 8e0881bcda4..6d643d62467 100644
--- a/Master/texmf-dist/tex/latex/datetime2/datetime2.sty
+++ b/Master/texmf-dist/tex/latex/datetime2/datetime2.sty
@@ -7,11 +7,11 @@
 %% datetime2.dtx  (with options: `datetime2.sty,package')
 %% 
 %%  datetime2.dtx
-%%  Copyright 2016 Nicola Talbot
+%%  Copyright 2018 Nicola Talbot
 %% 
 %%  This work may be distributed and/or modified under the
 %%  conditions of the LaTeX Project Public License, either version 1.3
-%%  of this license of (at your option) any later version.
+%%  of this license or (at your option) any later version.
 %%  The latest version of this license is in
 %%    http://www.latex-project.org/lppl.txt
 %%  and version 1.3 or later is part of all distributions of LaTeX
@@ -39,7 +39,7 @@
 %%   Grave accent  \`     Left brace    \{     Vertical bar  \|
 %%   Right brace   \}     Tilde         \~}
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{datetime2}[2016/07/12 v1.5.2 (NLCT) date and time formats]
+\ProvidesPackage{datetime2}[2018/07/20 v1.5.3 (NLCT) date and time formats]
 \RequirePackage{tracklang}
 \RequirePackage{etoolbox}
 \RequirePackage{xkeyval}[2006/11/18]
@@ -53,16 +53,25 @@
      \edef\dtm@pdfcreationdate{\pdffeedback creationdate}%
   }%
   {%
-    \ifdef\TeXOSQueryNow
+    \ifdef\LocaleNowStamp
     {%
-      \TeXOSQueryNow{\dtm@pdfcreationdate}%
-      \ifdefempty\dtm@pdfcreationdate
+      \ifx\LocaleNowStamp\empty
+      \else
+        \let\dtm@pdfcreationdate\LocaleNowStamp
+      \fi
+    }%
+    {%
+      \ifdef\TeXOSQueryNow
       {%
-        \undef\dtm@pdfcreationdate
+        \TeXOSQueryNow{\dtm@pdfcreationdate}%
+        \ifdefempty\dtm@pdfcreationdate
+        {%
+          \undef\dtm@pdfcreationdate
+        }%
+        {}%
       }%
       {}%
     }%
-    {}%
   }%
 }
 \newcommand*{\dtm@yearmonthsep}{-}
@@ -961,7 +970,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1010,7 +1019,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes:\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1058,7 +1067,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}'\DTMtwodigits{##2}'%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}'\DTMtwodigits{##2}'%
      }%
    }%
  }%
@@ -1099,7 +1108,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1150,7 +1159,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1203,7 +1212,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1256,7 +1265,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1307,7 +1316,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1358,7 +1367,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1411,7 +1420,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1464,7 +1473,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1515,7 +1524,7 @@
        Z%
      }%
      {%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
      }%
    }%
@@ -1559,7 +1568,7 @@
  {hhmm}% label
  {%
     \renewcommand*\DTMdisplaytime[3]{%
-      \ifnum##1<0\else+\fi\DTMtwodigits{##1}%
+      \ifnum##1<0 \else+\fi\DTMtwodigits{##1}%
       \ifDTMshowzoneminutes\DTMsep{hourmin}\DTMtwodigits{##2}\fi
     }%
  }
@@ -1622,6 +1631,31 @@
   \cslet{@dtm@#1@TZhour}{\@dtm@timezonehour}%
   \cslet{@dtm@#1@TZminute}{\@dtm@timezoneminute}%
 }
+\newrobustcmd*{\DTMsavepdftimestamp}[2]{%
+  \edef\@dtm@tmp{#2}%
+  \ifx\@dtm@tmp\empty
+    \cslet{@dtm@#1@year}{0}%
+    \cslet{@dtm@#1@month}{0}%
+    \cslet{@dtm@#1@day}{0}%
+    \cslet{@dtm@#1@dow}{0}%
+    \cslet{@dtm@#1@hour}{0}%
+    \cslet{@dtm@#1@minute}{0}%
+    \cslet{@dtm@#1@second}{0}%
+    \cslet{@dtm@#1@TZhour}{0}%
+    \cslet{@dtm@#1@TZminute}{0}%
+  \else
+  \expandafter\@dtm@parsepdfdatetime\@dtm@tmp\@dtm@endparsepdfdatetime
+    \cslet{@dtm@#1@year}{\@dtm@year}%
+    \cslet{@dtm@#1@month}{\@dtm@month}%
+    \cslet{@dtm@#1@day}{\@dtm@day}%
+    \cslet{@dtm@#1@dow}{\@dtm@dow}%
+    \cslet{@dtm@#1@hour}{\@dtm@hour}%
+    \cslet{@dtm@#1@minute}{\@dtm@minute}%
+    \cslet{@dtm@#1@second}{\@dtm@second}%
+    \cslet{@dtm@#1@TZhour}{\@dtm@timezonehour}%
+    \cslet{@dtm@#1@TZminute}{\@dtm@timezoneminute}%
+  \fi
+}
 \newrobustcmd{\DTMsavenow}[1]{%
   \cslet{@dtm@#1@year}{\@dtm@currentyear}%
   \cslet{@dtm@#1@month}{\@dtm@currentmonth}%