l3 (20nov18)

git-svn-id: svn://tug.org/texlive/trunk@49205 c570f23f-e606-0410-a88d-b1316a301751

69 files changed, 472 insertions, 319 deletions

diff --git a/Master/texmf-dist/source/latex/l3experimental/l3benchmark/l3benchmark.dtx b/Master/texmf-dist/source/latex/l3experimental/l3benchmark/l3benchmark.dtx
index 8f3fc919b17..cf8414f22fc 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3benchmark/l3benchmark.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3benchmark/l3benchmark.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -71,54 +71,32 @@
 % \section{Benchmark}
 %
 % \begin{variable}{\g_benchmark_duration_target_fp}
-%   This variable controls roughly for how long \cs{benchmark:n} will
-%   repeat code to more accurately benchmark it.  The actual duration of
-%   one call to \cs{benchmark:n} typically lasts between half and twice
-%   \cs{g_benchmark_duration_target_fp} seconds, unless of course
-%   running the code only once already lasts longer than this.
+%   This variable (default value: $1$) controls roughly for how long
+%   \cs{benchmark:n} will repeat code to more accurately benchmark it.
+%   The actual duration of one call to \cs{benchmark:n} typically lasts
+%   between half and twice \cs{g_benchmark_duration_target_fp} seconds,
+%   unless of course running the code only once already lasts longer
+%   than this.
 % \end{variable}
 %
-% \begin{variable}{\g_benchmark_time_fp, \g_benchmark_ops_fp}
-%   Functions such as \cs{benchmark:n} store the measured time in
-%   \cs{g_benchmark_time_fp} (in seconds).  Functions such as
-%   \cs{benchmark_normalized:n} store the estimated number of operations
-%   in \cs{g_benchmark_ops_fp}.
-% \end{variable}
-%
-% \begin{function}{\benchmark_display:, \benchmark_display_in_ops:}
-%   \begin{syntax}
-%     \cs{benchmark_display:}
-%   \end{syntax}
-%   Prints the time \cs{g_benchmark_time_fp} (in seconds) or the
-%   estimated number of operations \cs{g_benchmark_ops_fp} to the
-%   terminal.  These functions are called by functions such as
-%   \cs{benchmark:n} and can be redefined by the user.
-% \end{function}
-%
-% \begin{function}{\benchmark_once:n, \benchmark_once_in_ops:n, \benchmark_once_silent:n}
+% \begin{function}{\benchmark_once:n}
 %   \begin{syntax}
 %     \cs{benchmark_once:n} \Arg{code}
 %   \end{syntax}
-%   Measures the time taken by \TeX{} to run the \meta{code} once, sets
-%   \cs{g_benchmark_time_fp} and \cs{g_benchmark_ops_fp}, and calls
-%   \cs{benchmark_display:}.  The \meta{code} is run only once so the
-%   time may be quite inaccurate for fast code.  The
-%   \cs{benchmark_once_silent:n} function omits the call to
-%   \cs{benchmark_display:}, while \cs{benchmark_once_in_ops:n} calls
-%   \cs{benchmark_display_in_ops:} instead.
+%   Prints to the terminal the time taken by \TeX{} to run the
+%   \meta{code}, and an estimated number of elementary operations.  The
+%   \meta{code} is run only once so the time may be quite inaccurate for
+%   fast code.
 % \end{function}
 %
-% \begin{function}{\benchmark:n, \benchmark_in_ops:n, \benchmark_silent:n}
+% \begin{function}{\benchmark:n}
 %   \begin{syntax}
 %     \cs{benchmark:n} \Arg{code}
 %   \end{syntax}
-%   Measures the time taken by \TeX{} to run the \meta{code}, sets
-%   \cs{g_benchmark_time_fp} and \cs{g_benchmark_ops_fp}, and calls
-%   \cs{benchmark_display:}.  The \meta{code} may be run many times and
-%   not within a group, thus code with side-effects may cause problems.
-%   The \cs{benchmark_silent:n} function omits the call to
-%   \cs{benchmark_display:}, while \cs{benchmark_in_ops:n} calls
-%   \cs{benchmark_display_in_ops:} instead.
+%   Prints to the terminal the time taken by \TeX{} to run the
+%   \meta{code}, and an estimated number of elementary operations.  The
+%   \meta{code} may be run many times and not within a group, thus code
+%   with side-effects may cause problems.
 % \end{function}
 %
 % \begin{function}{\benchmark_tic:, \benchmark_toc:}
@@ -130,8 +108,8 @@
 %   tic/toc commands can be used instead to time between two points in
 %   the code.  When executed, \cs{benchmark_tic:} will print a line to the
 %   terminal, and \cs{benchmark_toc:} will print a matching line with a
-%   time to indicate the duration between them in seconds.  Note that
-%   these commands can be nested.
+%   time to indicate the duration between them in seconds.
+%   These commands can be nested.
 % \end{function}
 %
 % \end{documentation}
@@ -148,7 +126,7 @@
 %
 %    \begin{macrocode}
 %<*package>
-\ProvidesExplPackage{l3benchmark}{2018-10-31}{}
+\ProvidesExplPackage{l3benchmark}{2018-11-19}{}
   {L3 Experimental benchmarking}
 %</package>
 %    \end{macrocode}
@@ -163,8 +141,7 @@
 % \begin{macro}[EXP,pTF]{\sys_if_timer_exist:}
 %   In \LuaTeX{}, use emulation (see \pkg{l3luatex}),
 %   otherwise try to locate the primitive.  The
-%   elapsed time will be available if this succeeds or if unrestricted
-%   shell escape is available.
+%   elapsed time will be available if this succeeds.
 %    \begin{macrocode}
 \sys_if_engine_luatex:TF
   {
@@ -228,97 +205,35 @@
 %<@@=benchmark>
 %    \end{macrocode}
 %
-% \begin{variable}{\g_benchmark_time_fp, \g_benchmark_ops_fp}
-%   Functions such as \cs{benchmark:n} store the measured time in
-%   \cs{g_benchmark_time_fp} (in seconds) and the estimated number of
-%   operations in \cs{g_benchmark_ops_fp}.
+% \begin{variable}{\g_benchmark_duration_target_fp}
+%   The benchmark is constrained to take roughly (from half to twice)
+%   \cs{g_benchmark_duration_target_fp} seconds, unless one iteration of
+%   the code takes longer.
 %    \begin{macrocode}
-\fp_new:N \g_benchmark_time_fp
-\fp_new:N \g_benchmark_ops_fp
+\fp_new:N \g_benchmark_duration_target_fp
+\fp_gset:Nn \g_benchmark_duration_target_fp { 1 }
 %    \end{macrocode}
 % \end{variable}
 %
-% \begin{macro}{\benchmark_display:, \benchmark_display_in_ops:}
-%   Function to display the time that was measured or the estimated
-%   number of operations.  This can be redefined by the user.
-%    \begin{macrocode}
-\cs_new_protected:Npn \benchmark_display:
-  { \iow_term:x { \fp_to_tl:N \g_benchmark_time_fp \c_space_tl seconds } }
-\cs_new_protected:Npn \benchmark_display_in_ops:
-  {
-    \iow_term:x
-      {
-        \fp_compare:nTF { \g_benchmark_ops_fp > 1e9 }
-          { \fp_to_tl:n { \g_benchmark_ops_fp * 1e-9 } ~ G~ops }
-          {
-            \fp_compare:nTF { \g_benchmark_ops_fp > 1e6 }
-              { \fp_to_tl:n { \g_benchmark_ops_fp * 1e-6 } ~ M~ops }
-              {
-                \fp_compare:nTF { \g_benchmark_ops_fp > 1e3 }
-                  { \fp_to_tl:n { \g_benchmark_ops_fp * 1e-3 } ~ K~ops }
-                  { \fp_to_tl:n { \g_benchmark_ops_fp } ~ ops }
-              }
-          }
-      }
-  }
-%    \end{macrocode}
-% \end{macro}
-%
+% Having access to the system time is essential.
 %    \begin{macrocode}
 \sys_if_timer_exist:F
   {
-    \msg_new:nnnn { benchmark } { no-time }
-      { The~l3benchmark~package~failed~to~access~a~clock. }
-      { The~current~engine~provides~no~way~to~access~the~system~time. }
+    \fp_gset:Nn \g_benchmark_duration_target_fp { nan }
     \cs_new_protected:Npn \benchmark_once:n #1
       { \msg_error:nn { benchmark } { no-time } }
-    \cs_new_protected:Npn \benchmark_once_in_ops:n #1
-      { \msg_error:nn { benchmark } { no-time } }
-    \cs_new_protected:Npn \benchmark_once_silent:n #1
+    \cs_new_eq:NN \benchmark:n \benchmark_once:n
+    \cs_new_protected:Npn \benchmark_tic:
       { \msg_error:nn { benchmark } { no-time } }
-    \cs_new_protected:Npn \benchmark:n #1
-      { \msg_error:nn { benchmark } { no-time } }
-    \cs_new_protected:Npn \benchmark_in_ops:n #1
-      { \msg_error:nn { benchmark } { no-time } }
-    \cs_new_protected:Npn \benchmark_silent:n #1
-      { \msg_error:nn { benchmark } { no-time } }
-    \fp_gset:Nn \g_benchmark_time_fp { nan }
-    \fp_gset:Nn \g_benchmark_ops_fp { nan }
+    \cs_new_eq:NN \benchmark_toc: \benchmark_tic:
+    \msg_new:nnnn { benchmark } { no-time }
+      { The~l3benchmark~package~failed~to~access~a~clock. }
+      { The~current~engine~provides~no~way~to~access~the~system~time. }
     \msg_critical:nn { benchmark } { no-time }
   }
 %    \end{macrocode}
 %
-% \begin{variable}{\g_benchmark_duration_target_fp, \g_@@_duration_int}
-%   The benchmark is constrained to take roughly (from half to twice)
-%   \cs{g_benchmark_duration_target_fp} seconds, more precisely
-%   \cs{g_@@_duration_int} scaled seconds, unless one iteration of the
-%   code takes longer.
-%    \begin{macrocode}
-\fp_new:N \g_benchmark_duration_target_fp
-\fp_gset:Nn \g_benchmark_duration_target_fp { 1 }
-\int_new:N \g_@@_duration_int
-%    \end{macrocode}
-% \end{variable}
-% 
-% \begin{variable}{\g_@@_time_int, \g_@@_time_a_int, \g_@@_time_b_int, \g_@@_time_c_int, \g_@@_time_d_int}
-%   These variables hold the time for running a piece of code, as an
-%   integer in scaled seconds.
-%    \begin{macrocode}
-\int_new:N \g_@@_time_int
-\int_new:N \g_@@_time_a_int
-\int_new:N \g_@@_time_b_int
-\int_new:N \g_@@_time_c_int
-\int_new:N \g_@@_time_d_int
-%    \end{macrocode}
-% \end{variable}
-%
-% \begin{variable}{\g_@@_repeat_int}
-%   Holds the number of times that the piece of code was
-%   repeated when timing.
-%    \begin{macrocode}
-\int_new:N \g_@@_repeat_int
-%    \end{macrocode}
-% \end{variable}
+% \subsubsection{Raw measurement}
 %
 % \begin{variable}{\g_@@_nesting_int}
 % \begin{macro}{\@@_raw:nN, \@@_raw_aux:N, \@@_raw_end:N}
@@ -401,74 +316,115 @@
 %    \end{macrocode}
 % \end{macro}
 %
-% \begin{macro}{\benchmark:n, \benchmark_silent:n}
-%   The main timing function. First time the user code once.  If that
-%   took more than a third of a second we're done.  If that took much
-%   less than a second, quadruple the number of copies until it takes a
-%   reasonable amount of time (this is to avoid division by a possibly
-%   zero time).  Once we reach a reasonable time, compute a number of
-%   times that can fit in one quarter of a second and measure that four
-%   times.  To save time we reuse the result of the first pass if
-%   \cs{g_@@_repeat_int} is one.  Once we have four results, find the smallest,
-%   divided by $65536$ and by the number of repetitions, and display that.
+% \subsubsection{Main benchmarking}
+%
+% \begin{variable}{\g_@@_time_fp, \g_@@_ops_fp}
+%   Functions such as \cs{benchmark:n} store the measured time in
+%   \cs{g_@@_time_fp} (in seconds) and the estimated number of
+%   operations in \cs{g_@@_ops_fp}.
+%    \begin{macrocode}
+\fp_new:N \g_@@_time_fp
+\fp_new:N \g_@@_ops_fp
+%    \end{macrocode}
+% \end{variable}
+%
+% \begin{variable}{\g_@@_duration_int}
+%   A conversion of \cs{g_benchmark_duration_target_fp} seconds into scaled seconds.
+%    \begin{macrocode}
+\int_new:N \g_@@_duration_int
+%    \end{macrocode}
+% \end{variable}
+% 
+% \begin{variable}{\g_@@_time_int, \g_@@_time_a_int, \g_@@_time_b_int, \g_@@_time_c_int, \g_@@_time_d_int}
+%   These variables hold the time for running a piece of code, as an
+%   integer in scaled seconds.
+%    \begin{macrocode}
+\int_new:N \g_@@_time_int
+\int_new:N \g_@@_time_a_int
+\int_new:N \g_@@_time_b_int
+\int_new:N \g_@@_time_c_int
+\int_new:N \g_@@_time_d_int
+%    \end{macrocode}
+% \end{variable}
+%
+% \begin{variable}{\g_@@_repeat_int}
+%   Holds the number of times that the piece of code was
+%   repeated when timing.
+%    \begin{macrocode}
+\int_new:N \g_@@_repeat_int
+%    \end{macrocode}
+% \end{variable}
+%
+% \begin{variable}{\g_@@_code_tl}
+%   Holds the piece of code to repeat.
 %    \begin{macrocode}
-\fp_new:N \g_@@_one_op_fp
 \tl_new:N \g_@@_code_tl
-\cs_new_protected:Npn \benchmark:n #1
-  { \benchmark_silent:n {#1} \benchmark_display: }
-\cs_new_protected:Npn \benchmark_in_ops:n #1
-  { \benchmark_silent:n {#1} \benchmark_display_in_ops: }
-\cs_new_protected:Npn \@@_measure_op:
+%    \end{macrocode}
+% \end{variable}
+%
+% \begin{macro}{\benchmark_once:n}
+%   Convert the raw time from scaled seconds to seconds, and convert to
+%   a number of operations.  It is important to measure the elementary
+%   operation before running the user code because both measurements use
+%   the same temporary variables.
+%    \begin{macrocode}
+\cs_new_protected:Npn \benchmark_once:n #1
   {
-    \int_gset:Nn \g_@@_duration_int { 256 }
-    \tl_gset:Nn \g_@@_code_tl
-      { \int_gset:Nn \g_@@_duration_int { 256 } } % arbitrary single operation
-    \@@_aux:
-    \fp_gset_eq:NN \g_@@_one_op_fp \g_benchmark_time_fp
-    \fp_compare:nNnT \g_@@_one_op_fp < { 1e-6 }
-      { \fp_gset:Nn \g_@@_one_op_fp { 1e-6 } }
+    \@@_measure_op:
+    \@@_raw:nN {#1} \g_@@_time_int
+    \fp_gset:Nn \g_@@_time_fp { \g_@@_time_int / 65536 }
+    \@@_display:
   }
-\cs_new_protected:Npn \benchmark_silent:n #1
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\benchmark:n}
+%   After setting up some variables the work is done by \cs{@@_aux:}.
+%    \begin{macrocode}
+\cs_new_protected:Npn \benchmark:n #1
   {
     \@@_measure_op:
-    \int_gset:Nn \g_@@_duration_int
-      { \fp_to_int:n { 65536 * \g_benchmark_duration_target_fp } }
     \tl_gset:Nn \g_@@_code_tl {#1}
     \@@_aux:
-    \fp_gset:Nn \g_benchmark_ops_fp
-      { \g_benchmark_time_fp / \g_@@_one_op_fp }
+    \@@_display:
   }
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@@_aux:}
+%   The main timing function. First time the user code once.  If that
+%   took more than half the allotted time (\cs{g_@@_duration_int}) we're
+%   done.  If that took much less, repeatedly quadruple the number of
+%   copies until it takes a reasonable amount of time.  Once we reach a
+%   reasonable time (or we risk an overflow), compute a number of times
+%   that can fit in one quarter of the allotted time and measure that
+%   four times.  To save time we reuse the result of the first pass if
+%   \cs{g_@@_repeat_int} is one.  Once we have four results, find the
+%   smallest, divided by $65536$ and by the number of repetitions, and
+%   display that.
+%    \begin{macrocode}
 \cs_new_protected:Npn \@@_aux:
   {
     \int_gset:Nn \g_@@_repeat_int { 1 }
     \@@_raw:nN { \g_@@_code_tl } \g_@@_time_int
     \int_compare:nNnF \g_@@_time_int < { \g_@@_duration_int / 2 }
+      { \prg_break: }
+    \bool_until_do:nn
       {
-        \int_gset_eq:NN \g_@@_time_a_int \g_@@_time_int
-        \int_gset_eq:NN \g_@@_time_b_int \g_@@_time_int
-        \int_gset_eq:NN \g_@@_time_c_int \g_@@_time_int
-        \int_gset_eq:NN \g_@@_time_d_int \g_@@_time_int
-        \prg_break:
+        \int_compare_p:nNn \g_@@_time_int > { \g_@@_duration_int / 32 }
+        || \int_compare_p:nNn \g_@@_repeat_int > { \c_max_int / 4 }
       }
-    \int_while_do:nNnn \g_@@_time_int < { \g_@@_duration_int / 100 }
       {
-        \int_compare:nNnT \g_@@_repeat_int > { \c_max_int / 4 }
-          {
-            \int_gzero:N \g_@@_time_a_int
-            \int_gzero:N \g_@@_time_b_int
-            \int_gzero:N \g_@@_time_c_int
-            \int_gzero:N \g_@@_time_d_int
-            \prg_break:
-          }
         \int_gset:Nn \g_@@_repeat_int { 4 * \g_@@_repeat_int }
         \@@_run:N \g_@@_time_int
       }
     \int_gset:Nn \g_@@_repeat_int
       {
-        \int_max:nn { 1 }
+        \fp_to_int:n
           {
-            \g_@@_duration_int * \g_@@_repeat_int
-            / ( \g_@@_time_int * 4 )
+            max ( 1 , min ( \c_max_int ,
+            \g_@@_duration_int * \g_@@_repeat_int /
+            \int_eval:n { 4 * \g_@@_time_int } ) )
           }
       }
     \int_compare:nNnTF \g_@@_repeat_int = 1
@@ -477,67 +433,112 @@
     \@@_run:N \g_@@_time_b_int
     \@@_run:N \g_@@_time_c_int
     \@@_run:N \g_@@_time_d_int
-    \prg_break_point:
-    \fp_gset:Nn \g_benchmark_time_fp
+    \int_gset:Nn \g_@@_time_int
       {
         \int_min:nn
           { \int_min:nn \g_@@_time_a_int \g_@@_time_b_int }
           { \int_min:nn \g_@@_time_c_int \g_@@_time_d_int }
-          / \g_@@_repeat_int / 65536
       }
+    \prg_break_point:
+    \int_compare:nNnT \g_@@_time_int < 3 { \int_gzero:N \g_@@_time_int }
+    \fp_gset:Nn \g_@@_time_fp
+      { \g_@@_time_int / \g_@@_repeat_int / 65536 }
   }
 \cs_new_protected:Npn \@@_run:N
   { \exp_args:NNo \@@_raw_replicate:nnN \g_@@_repeat_int { \g_@@_code_tl } }
 %    \end{macrocode}
 % \end{macro}
 %
-% \begin{macro}{\benchmark_once:n, \benchmark_once_in_ops:n, \benchmark_once_silent:n}
-%   Convert from scaled seconds to seconds.
+% \subsubsection{Display}
+%
+% \begin{variable}{\g_@@_one_op_fp}
+%   Time for one operation.
 %    \begin{macrocode}
-\cs_new_protected:Npn \benchmark_once:n #1
-  { \benchmark_once_silent:n {#1} \benchmark_display: }
-\cs_new_protected:Npn \benchmark_once_in_ops:n #1
-  { \benchmark_once_silent:n {#1} \benchmark_display_in_ops: }
-\cs_new_protected:Npn \benchmark_once_silent:n #1
+\fp_new:N \g_@@_one_op_fp
+%    \end{macrocode}
+% \end{variable}
+%
+% \begin{macro}{\@@_measure_op:}
+%   Measure one arbitrary single operation (which we put in \cs{g_@@_code_tl}).
+%   This uses a common auxiliary \cs{@@_aux:} with the main benchmark function.
+%    \begin{macrocode}
+\cs_new_protected:Npn \@@_measure_op:
   {
-    \@@_measure_op:
-    \@@_raw:nN {#1} \g_@@_time_int
-    \fp_gset:Nn \g_benchmark_time_fp { \g_@@_time_int / 65536 }
-    \fp_gset:Nn \g_benchmark_ops_fp
-      { \g_benchmark_time_fp / \g_@@_one_op_fp }
+    \int_gset:Nn \g_@@_duration_int
+      { \fp_to_int:n { 65536 * \g_benchmark_duration_target_fp } / 4 }
+    \tl_gset:Nn \g_@@_code_tl
+      { \int_gadd:Nn \g_@@_duration_int { 0 } }
+    \@@_aux:
+    \fp_gset:Nn \g_@@_one_op_fp { max(\g_@@_time_fp, 1e-16) }
+    \int_gset:Nn \g_@@_duration_int
+      { \fp_to_int:n { 65536 * \g_benchmark_duration_target_fp } }
+  }
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@@_fp_to_tl:N, \@@_fp_to_tl_aux:nN}
+%   Similar to \cs{fp_to_tl:N} but rounds to $3$ significant digits and
+%   uses scientific notation starting from |1e3|.
+%    \begin{macrocode}
+\cs_new:Npn \@@_fp_to_tl:N #1
+  {
+    \fp_compare:nTF { abs(#1) < 1000 }
+      { \fp_to_tl:n { round(#1, 2 - logb(#1)) } }
+      {
+        \exp_args:Nf \@@_fp_to_tl_aux:nN
+          { \fp_to_int:n { logb(#1) } } #1
+      }
+  }
+\cs_new:Npn \@@_fp_to_tl_aux:nN #1#2
+  { \fp_to_tl:n { round(#2 * 1e-#1, 2) } e#1 }
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\@@_display:}
+%   Function to display the time that was measured and the estimated
+%   number of operations.
+%    \begin{macrocode}
+\cs_new_protected:Npn \@@_display:
+  {
+    \fp_gset:Nn \g_@@_ops_fp { \g_@@_time_fp / \g_@@_one_op_fp }
+    \iow_term:x
+      {
+        \@@_fp_to_tl:N \g_@@_time_fp \c_space_tl seconds \c_space_tl
+        ( \@@_fp_to_tl:N \g_@@_ops_fp \c_space_tl ops)
+      }
   }
 %    \end{macrocode}
 % \end{macro}
 %
 % \subsection{Benchmark tic toc}
 %
-% \begin{variable}{\g_@@_tictoc_int, \g_@@_tictoc_seq}
+% \begin{variable}{\g_@@_tictoc_int, \g_@@_tictoc_seq, \l_@@_tictoc_pop_tl}
 %    \begin{macrocode}
 \int_new:N \g_@@_tictoc_int
 \seq_new:N \g_@@_tictoc_seq
+\tl_new:N \l_@@_tictoc_pop_tl
 %    \end{macrocode}
 % \end{variable}
 %
-% \begin{macro}{\benchmark_tic:, \@@_tic:}
+% \begin{macro}[EXP]{\@@_tictoc_prefix:}
+%   We include the package name in analogy with continuation lines of
+%   error/warning messages.
 %    \begin{macrocode}
-\cs_new_protected:Npn \benchmark_tic:
+\cs_new:Npn \@@_tictoc_prefix:
   {
-    \int_compare:nTF { \g_@@_tictoc_int == 0 }
-      {
-        \sys_gzero_timer:
-        \@@_tic:
-      }
-      { \@@_tic: }
+    (l3benchmark) \c_space_tl
+    + \prg_replicate:nn { \g_@@_tictoc_int } { -+ } \c_space_tl
   }
-\cs_new_protected:Npn \@@_tic:
+%    \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\benchmark_tic:}
+%    \begin{macrocode}
+\cs_new_protected:Npn \benchmark_tic:
   {
-    \exp_args:NNf \seq_put_right:Nn \g_@@_tictoc_seq { \sys_timer: }
+    \iow_term:x { \@@_tictoc_prefix: TIC }
+    \exp_args:NNf \seq_gput_right:Nn \g_@@_tictoc_seq { \sys_timer: }
     \int_gincr:N \g_@@_tictoc_int
-    \iow_term:x
-      {
-        \prg_replicate:nn {\g_@@_tictoc_int} {---+} \space
-        TIC
-      }
   }
 %    \end{macrocode}
 % \end{macro}
@@ -546,30 +547,26 @@
 %    \begin{macrocode}
 \cs_new:Npn \benchmark_toc:
   {
-    \int_compare:nT { \g_@@_tictoc_int == 0 }
-      { \msg_error:nn {benchmark} {toc-first} }
-    \seq_pop_right:NN \g_@@_tictoc_seq \l_@@_tictoc_pop_tl
-    \@@_toc:
+    \seq_gpop_right:NNTF \g_@@_tictoc_seq \l_@@_tictoc_pop_tl
+      { \@@_toc: }
+      { \msg_error:nn { benchmark } { toc-first } }
   }
 \cs_new_protected:Npn \@@_toc:
   {
-    \tl_set:Nx \l_@@_tictoc_tl
-      {
-        \fp_to_decimal:n
-          { round( ( \sys_timer: - \l_@@_tictoc_pop_tl) / 65536 , 3 ) }
-      }
+    \int_gdecr:N \g_@@_tictoc_int
+    \fp_gset:Nn \g_@@_time_fp
+      { ( \sys_timer: - \l_@@_tictoc_pop_tl ) / 65536 }
     \iow_term:x
       {
-        \prg_replicate:nn {\g_@@_tictoc_int} {---+} \c_space_tl
+        \@@_tictoc_prefix:
         TOC: \c_space_tl
-        \l_@@_tictoc_tl \c_space_tl s
+        \@@_fp_to_tl:N \g_@@_time_fp \c_space_tl s
       }
-    \int_gdecr:N \g_@@_tictoc_int
   }
-\msg_new:nnn {benchmark} {toc-first}
+\msg_new:nnn { benchmark } { toc-first }
   {
-    \token_to_str:N \benchmark_toc: \space without~
-    \token_to_str:N \benchmark_tic: \space !
+    \token_to_str:N \benchmark_toc: \c_space_tl without~
+    \token_to_str:N \benchmark_tic: \c_space_tl !
   }
 %    \end{macrocode}
 % \end{macro}
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3cctab/l3cctab.dtx b/Master/texmf-dist/source/latex/l3experimental/l3cctab/l3cctab.dtx
index 5c1db2f6aaa..7e0820f8b7b 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3cctab/l3cctab.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3cctab/l3cctab.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -148,7 +148,7 @@
 %
 %    \begin{macrocode}
 %<*package>
-\ProvidesExplPackage{l3cctab}{2018-10-31}{}
+\ProvidesExplPackage{l3cctab}{2018-11-19}{}
   {L3 Experimental category code tables}
 %</package>
 %    \end{macrocode}
@@ -160,10 +160,8 @@
 %   tables need to be followed. There is also a sequence stack for the
 %   dynamic tables themselves.
 %    \begin{macrocode}
-%<*initex>
 \int_new:N  \g_@@_allocate_int
 \int_gset:Nn \g_@@_allocate_int { -1 }
-%</initex>
 \int_new:N \g_@@_stack_int
 \seq_new:N \g_@@_stack_seq
 %    \end{macrocode}
@@ -219,7 +217,6 @@
 %</initex>
 %<*package>
         \newcatcodetable #1
-        \tex_initcatcodetable:D #1
 %</package>
       }
 %    \end{macrocode}
@@ -268,21 +265,29 @@
 %    \begin{macrocode}
   {
     \cs_new_protected:Npn \@@_gstore:Nnn #1#2#3
-      { \intarray_gset:Nnn #1 { #2 + 1 } {#3} }
+      {
+        \intarray_gset:cnn
+          { g_@@_ \int_use:N #1 _cctab } { #2 + 1 } {#3}
+      }
 %    \end{macrocode}
 %   Following the \LuaTeX{} pattern, a new table starts with \IniTeX{} codes.
 %    \begin{macrocode}
     \cs_new_protected:Npn \cctab_new:N #1
       {
-        \intarray_new:Nn #1 { 256 }
+        \int_gadd:Nn \g_@@_allocate_int { 1 }
+        \int_const:Nn #1 { \g_@@_allocate_int }
+        \intarray_new:cn { g_@@_ \int_use:N #1 _cctab } { 256 }
         \int_step_inline:nn { 256 }
-          { \intarray_gset:Nnn #1 {##1} { 12 } }
+          {
+            \intarray_gset:cnn
+              { g_@@_ \int_use:N #1 _cctab } {##1} { 12 }
+          }
         \@@_gstore:Nnn #1 { 0 } { 9 }
         \@@_gstore:Nnn #1 { 13 } { 5 }
         \@@_gstore:Nnn #1 { 32 } { 10 }
         \@@_gstore:Nnn #1 { 37 } { 14 }
-        \int_step_inline:nnn { 65 } { 90 }
-          { \intarray_gset:Nnn #1 {##1} { 11 } }
+        \int_step_inline:nnn { 64 } { 89 }
+          { \@@_gstore:Nnn #1 {##1} { 11 } }
         \@@_gstore:Nnn #1 { 92 } { 0 }
         \int_step_inline:nnn { 97 } { 122 }
           { \@@_gstore:Nnn #1 {##1} { 11 } }
@@ -309,7 +314,10 @@
         \int_step_inline:nn { 256 }
           {
             \char_set_catcode:nn { ##1 - 1 }
-              { \intarray_item:Nn #1 {##1} }
+              {
+                \intarray_item:cn
+                  { g_@@_ \int_use:N #1 _cctab } {##1}
+              }
           }
       }
     \cs_generate_variant:Nn \intarray_new:Nn { c }
@@ -334,7 +342,7 @@
           #2
           \int_step_inline:nn { 256 }
             {
-              \intarray_gset:Nnn #1 {##1}
+              \intarray_gset:cnn { g_@@_ \int_use:N #1 _cctab } {##1}
                 { \char_value_catcode:n { ##1 - 1 } }
             }
         \group_end:
@@ -346,27 +354,19 @@
 % \end{macro}
 % \end{macro}
 %
-% \begin{variable}{\g_@@_tmp_cctab}
-%   Scratch space.
-%    \begin{macrocode}
-\cctab_new:N \g_@@_tmp_cctab
-%    \end{macrocode}
-% \end{variable}
-%
 % \begin{macro}{\cctab_const:Nn}
-%   Creating constant tables is a bit tricky: we do it in a two part
-%   fashion via a temporary one.
 %    \begin{macrocode}
 \cs_new_protected:Npn \cctab_const:Nn #1#2
   {
-    \cctab_gset:Nn \g_@@_tmp_cctab {#2}
-    \cs_new_eq:NN #1 \g_@@_tmp_cctab
+    \cctab_new:N #1
+    \cctab_gset:Nn #1 {#2}
   }
 %    \end{macrocode}
 % \end{macro}
 %
 % \begin{variable}
 %   {
+%     \c_initex_cctab   ,
 %     \c_code_cctab     ,
 %     \c_document_cctab ,
 %     \c_initex_cctab   ,
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3color/l3color.dtx b/Master/texmf-dist/source/latex/l3experimental/l3color/l3color.dtx
index 1e7f5813f19..111018bb5c8 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3color/l3color.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3color/l3color.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -263,7 +263,7 @@
 %
 %    \begin{macrocode}
 %<*package>
-\ProvidesExplPackage{l3color}{2018-10-31}{}
+\ProvidesExplPackage{l3color}{2018-11-19}{}
   {L3 Experimental color support}
 %</package>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-boxes.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-boxes.dtx
index 0326066f004..e450d0c4d4e 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-boxes.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-boxes.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-paths.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-paths.dtx
index 4d1c56c9fd9..240d131af41 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-paths.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-paths.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-points.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-points.dtx
index 2d51e741836..186f4a4a334 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-points.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-points.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx
index ceda4c7632d..8d2b93093ad 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-scopes.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-softpath.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-softpath.dtx
index 4b0041524c2..99da2d119e4 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-softpath.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-softpath.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-state.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-state.dtx
index ca7a83fbc78..8f1276e5450 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-state.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-state.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-transforms.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-transforms.dtx
index f61d6a70572..2fba1a421fa 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-transforms.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw-transforms.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw.dtx b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw.dtx
index 53c6e8c42e6..a409de15881 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3draw/l3draw.dtx
@@ -109,7 +109,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -1106,7 +1106,7 @@
 %
 %    \begin{macrocode}
 %<*package>
-\ProvidesExplPackage{l3draw}{2018-10-31}{}
+\ProvidesExplPackage{l3draw}{2018-11-19}{}
   {L3 Experimental core drawing support}
 %</package>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-convert.dtx b/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-convert.dtx
index 6d33d93bf0d..c26e6eaf82b 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-convert.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-convert.dtx
@@ -46,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -234,7 +234,7 @@
 %    \end{macrocode}
 %
 %    \begin{macrocode}
-\ProvidesExplPackage{l3str-convert}{2018-10-31}{}
+\ProvidesExplPackage{l3str-convert}{2018-11-19}{}
   {L3 Experimental string encoding conversions}
 %    \end{macrocode}
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-format.dtx b/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-format.dtx
index 45dd7c24f8d..bdd0426712d 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-format.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3str/l3str-format.dtx
@@ -46,7 +46,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -162,7 +162,7 @@
 %
 %    \begin{macrocode}
 %<*package>
-\ProvidesExplPackage{l3str-format}{2018-10-31}{}
+\ProvidesExplPackage{l3str-format}{2018-11-19}{}
   {L3 Experimental string formatting}
 %</package>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3experimental/l3sys-shell/l3sys-shell.dtx b/Master/texmf-dist/source/latex/l3experimental/l3sys-shell/l3sys-shell.dtx
index 606b372e71e..a1b7af274ba 100644
--- a/Master/texmf-dist/source/latex/l3experimental/l3sys-shell/l3sys-shell.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/l3sys-shell/l3sys-shell.dtx
@@ -44,7 +44,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -134,7 +134,7 @@
 %
 %    \begin{macrocode}
 %<*package>
-\ProvidesExplPackage{l3sys-shell}{2018-10-31}{}
+\ProvidesExplPackage{l3sys-shell}{2018-11-19}{}
   {L3 Experimental system shell functions}
 %</package>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3experimental/xcoffins/xcoffins.dtx b/Master/texmf-dist/source/latex/l3experimental/xcoffins/xcoffins.dtx
index e2c14dbe332..4c2a45bdd69 100644
--- a/Master/texmf-dist/source/latex/l3experimental/xcoffins/xcoffins.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/xcoffins/xcoffins.dtx
@@ -54,7 +54,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -673,7 +673,7 @@
 %    \end{macrocode}
 %
 %    \begin{macrocode}
-\ProvidesExplPackage{xcoffins}{2018-10-31}{}
+\ProvidesExplPackage{xcoffins}{2018-11-19}{}
   {L3 Experimental design level coffins}
 %    \end{macrocode}
 %
diff --git a/Master/texmf-dist/source/latex/l3experimental/xgalley/l3galley.dtx b/Master/texmf-dist/source/latex/l3experimental/xgalley/l3galley.dtx
index 9369c668d02..7ff6508cbb7 100644
--- a/Master/texmf-dist/source/latex/l3experimental/xgalley/l3galley.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/xgalley/l3galley.dtx
@@ -59,7 +59,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -685,7 +685,7 @@
 %
 %    \begin{macrocode}
 %<*package>
-\ProvidesExplPackage{l3galley}{2018-10-31}{}
+\ProvidesExplPackage{l3galley}{2018-11-19}{}
   {L3 Experimental galley code}
 %</package>
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3experimental/xgalley/xgalley.dtx b/Master/texmf-dist/source/latex/l3experimental/xgalley/xgalley.dtx
index a92b0be9698..92368b98a7e 100644
--- a/Master/texmf-dist/source/latex/l3experimental/xgalley/xgalley.dtx
+++ b/Master/texmf-dist/source/latex/l3experimental/xgalley/xgalley.dtx
@@ -45,7 +45,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -732,7 +732,7 @@
 %    \end{macrocode}
 %
 %    \begin{macrocode}
-\ProvidesExplPackage{xgalley}{2018-10-31}{}
+\ProvidesExplPackage{xgalley}{2018-11-19}{}
   {L3 Experimental galley}
 \RequirePackage{xparse,xtemplate,l3galley}
 %    \end{macrocode}
diff --git a/Master/texmf-dist/source/latex/l3kernel/expl3.dtx b/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
index 70989f1950a..7d772133088 100644
--- a/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/expl3.dtx
@@ -21,7 +21,7 @@
 % for those people who are interested.
 %
 %<*driver|generic|package>
-\def\ExplFileDate{2018-10-31}%
+\def\ExplFileDate{2018-11-19}%
 %</driver|generic|package>
 %<*driver>
 \documentclass[full]{l3doc}
@@ -49,7 +49,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx b/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx
index 80a0b4b7eb8..a00f377a36e 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3alloc.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx b/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
index d642eea647a..b3e9db2852e 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3basics.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx b/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
index 1a22e982d00..658e811554d 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3bootstrap.dtx
@@ -138,7 +138,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3box.dtx b/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
index 6a5e87b7c6c..d02d4dd1fbe 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3box.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx b/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
index f37e0317c9e..4c1c05e531a 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3candidates.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -269,6 +269,33 @@
 %   applicable.
 % \end{function}
 %
+% \section{Additions to \pkg{l3fp}}
+%
+% \begin{function}[EXP, added = 2018-11-03]{logb}
+%   \begin{syntax}
+%     \cs{fp_eval:n} \{ |logb(| \meta{fpexpr} |)| \}
+%   \end{syntax}
+%   Determines the exponent of the \meta{fpexpr}, namely the floor of
+%   the base-$10$ logarithm of its absolute value.  \enquote{Division by
+%   zero} occurs when evaluating $\operatorname{logb}(\pm 0) = -\infty$.
+%   Other special values are $\operatorname{logb}(\pm\infty)=+\infty$
+%   and $\operatorname{logb}(\nan{})=\nan{}$.  If the operand is a tuple
+%   or is \nan{}, then \enquote{invalid operation} occurs and the result
+%   is \nan{}.
+% \end{function}
+%
+% \begin{function}[EXP, added = 2018-11-03]{\fp_sign:n}
+%   \begin{syntax}
+%     \cs{fp_sign:n} \Arg{fpexpr}
+%   \end{syntax}
+%   Evaluates the \meta{fpexpr} and leaves its sign in the input stream
+%   using \cs{fp_eval:n} |{sign(|\meta{result}|)}|: $+1$ for positive
+%   numbers and for $+\infty$, $-1$ for negative numbers and for
+%   $-\infty$, $\pm 0$ for $\pm 0$.  If the operand is a tuple or is
+%   \nan{}, then \enquote{invalid operation} occurs and the result
+%   is~$0$.
+% \end{function}
+%
 % \section{Additions to \pkg{l3fparray}}
 %
 % \begin{function}[added = 2018-05-05]{\fparray_new:Nn}
@@ -421,6 +448,14 @@
 %   This is not yet available in \XeTeX{}.
 % \end{function}
 %
+% \begin{function}[EXP, added = 2018-11-03]{\int_sign:n}
+%   \begin{syntax}
+%     \cs{int_sign:n} \Arg{intexpr}
+%   \end{syntax}
+%   Evaluates the \meta{integer expression} then leaves $1$ or $0$ or
+%   $-1$ in the input stream according to the sign of the result.
+% \end{function}
+%
 % \section{Additions to \pkg{l3intarray}}
 %
 % \begin{function}[EXP, added = 2018-05-05]{\intarray_rand_item:N}
@@ -819,6 +854,14 @@
 %
 % \section{Additions to \pkg{l3skip}}
 %
+% \begin{function}[EXP, added = 2018-11-03]{\dim_sign:n}
+%   \begin{syntax}
+%     \cs{dim_sign:n} \Arg{dimexpr}
+%   \end{syntax}
+%   Evaluates the \meta{dimexpr} then leaves $1$ or $0$ or $-1$ in the
+%   input stream according to the sign of the result.
+% \end{function}
+%
 % \begin{function}{\skip_split_finite_else_action:nnNN}
 %   \begin{syntax}
 %     \cs{skip_split_finite_else_action:nnNN} \Arg{skipexpr} \Arg{action}
@@ -2178,6 +2221,22 @@
 % \end{macro}
 % \end{macro}
 %
+% \subsection{Additions to \pkg{l3fp-convert}}
+%
+%    \begin{macrocode}
+%<@@=fp>
+%    \end{macrocode}
+%
+% \begin{macro}{\fp_sign:n}
+%   Trivial but useful.  See the implementation of \cs{fp_add:Nn} for an
+%   explanation of why to use \cs{@@_parse:n}, namely, for better error
+%   reporting.
+%    \begin{macrocode}
+\cs_new:Npn \fp_sign:n #1
+  { \fp_to_decimal:n { sign \@@_parse:n {#1} } }
+%    \end{macrocode}
+% \end{macro}
+%
 % \subsection{Additions to \pkg{l3file}}
 %
 %    \begin{macrocode}
@@ -2310,6 +2369,39 @@
 % \subsection{Additions to \pkg{l3msg}}
 %
 %    \begin{macrocode}
+%<@@=int>
+%    \end{macrocode}
+%
+% \begin{macro}[EXP]{\int_sign:n, \@@_sign:Nw}
+%   See \cs{int_abs:n}.  Evaluate the expression once (and when
+%   debugging is enabled, check that the expression is well-formed),
+%   then test the first character to determine the sign.  This is
+%   wrapped in \cs{int_value:w} \ldots{} \cs{exp_stop_f:} to ensure a
+%   fixed number of expansions and to avoid dealing with closing the
+%   conditionals.
+%    \begin{macrocode}
+\__kernel_patch_args:nNNpn
+  { { \__kernel_chk_expr:nNnN {#1} \@@_eval:w { } \int_sign:n } }
+\cs_new:Npn \int_sign:n #1
+  {
+    \int_value:w \exp_after:wN \@@_sign:Nw
+      \int_value:w \@@_eval:w #1 \@@_eval_end: ;
+    \exp_stop_f:
+  }
+\cs_new:Npn \@@_sign:Nw #1#2 ;
+  {
+    \if_meaning:w 0 #1
+      0
+    \else:
+      \if_meaning:w - #1 - \fi: 1
+    \fi:
+  }
+%    \end{macrocode}
+% \end{macro}
+%
+% \subsection{Additions to \pkg{l3msg}}
+%
+%    \begin{macrocode}
 %<@@=msg>
 %    \end{macrocode}
 %
@@ -2786,6 +2878,40 @@
 % \subsection{Additions to \pkg{l3skip}}
 %
 %    \begin{macrocode}
+%<@@=dim>
+%    \end{macrocode}
+%
+% \begin{macro}[EXP]{\dim_sign:n, \@@_sign:Nw}
+%   See \cs{dim_abs:n}.  Contrarily to \cs{int_sign:n} the case of a
+%   zero dimension cannot be distinguished from a positive dimension by
+%   looking only at the first character, since |0.2pt| and |0pt| start
+%   the same way.  We need explicit comparisons.  We start by
+%   distinguishing the most common case of a positive dimension.
+%    \begin{macrocode}
+\__kernel_patch_args:nNNpn
+  { { \__kernel_chk_expr:nNnN {#1} \@@_eval:w { } \dim_sign:n } }
+\cs_new:Npn \dim_sign:n #1
+  {
+    \int_value:w \exp_after:wN \@@_sign:Nw
+      \dim_use:N \@@_eval:w #1 \@@_eval_end: ;
+    \exp_stop_f:
+  }
+\cs_new:Npn \@@_sign:Nw #1#2 ;
+  {
+    \if_dim:w #1#2 > \c_zero_dim
+      1
+    \else:
+      \if_meaning:w - #1
+        -1
+      \else:
+        0
+      \fi:
+    \fi:
+  }
+%    \end{macrocode}
+% \end{macro}
+%
+%    \begin{macrocode}
 %<@@=skip>
 %    \end{macrocode}
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx b/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
index 6ae74ca03d0..7d2f3716d69 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3clist.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx b/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
index 6d83e8a028d..de848591d3f 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3coffins.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -745,7 +745,7 @@
       { l_@@_poles_ \@@_to_value:N #1 _prop } {#2} #3
       {
         \__kernel_msg_error:nnxx { kernel } { unknown-coffin-pole }
-          {#2} { \token_to_str:N #1 }
+          { \exp_not:n {#2} } { \token_to_str:N #1 }
         \tl_set:Nn #3 { { 0pt } { 0pt } { 0pt } { 0pt } }
       }
   }
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx b/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx
index 54cfa159870..0f281c1716f 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3color-base.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx b/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
index 6ed8c30457a..10f8494a73d 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3deprecation.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx b/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
index f15ce38fc86..54d7e7e53ba 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3doc.dtx
@@ -77,7 +77,7 @@ and all files in that bundle must be distributed together.
 %
 % \title{The \cls{l3doc} class}
 % \author{\Team}
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 % \maketitle
 % \tableofcontents
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx b/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
index 7f1cb9f03f8..bb1ccdd5780 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3docstrip.dtx
@@ -61,7 +61,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3drivers.dtx b/Master/texmf-dist/source/latex/l3kernel/l3drivers.dtx
index 292692e288c..dcb425ff0df 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3drivers.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3drivers.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -554,23 +554,23 @@
 %<*package>
 \ProvidesExplFile
 %<*dvipdfmx>
-  {l3dvidpfmx.def}{2018-10-31}{}
+  {l3dvidpfmx.def}{2018-11-19}{}
   {L3 Experimental driver: dvipdfmx}
 %</dvipdfmx>
 %<*dvips>
-  {l3dvips.def}{2018-10-31}{}
+  {l3dvips.def}{2018-11-19}{}
   {L3 Experimental driver: dvips}
 %</dvips>
 %<*dvisvgm>
-  {l3dvisvgm.def}{2018-10-31}{}
+  {l3dvisvgm.def}{2018-11-19}{}
   {L3 Experimental driver: dvisvgm}
 %</dvisvgm>
 %<*pdfmode>
-  {l3pdfmode.def}{2018-10-31}{}
+  {l3pdfmode.def}{2018-11-19}{}
   {L3 Experimental driver: PDF mode}
 %</pdfmode>
 %<*xdvipdfmx>
-  {l3xdvidpfmx.def}{2018-10-31}{}
+  {l3xdvidpfmx.def}{2018-11-19}{}
   {L3 Experimental driver: xdvipdfmx}
 %</xdvipdfmx>
 %</package>
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx b/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
index 299234f8a6d..bfaef8e5e39 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3expan.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3file.dtx b/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
index 5b389765f53..3b56f3683ce 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3file.dtx
@@ -42,7 +42,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3final.dtx b/Master/texmf-dist/source/latex/l3kernel/l3final.dtx
index 096af07306b..2009835ab94 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3final.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3final.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx b/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
index 70b47167b52..b82904a3d41 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3flag.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
index 6dca2f7770b..c068438024b 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-assign.dtx
@@ -38,7 +38,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 % \maketitle
 %
 % \begin{documentation}
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
index 690f68d1b6e..14af2cf597c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-aux.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
index 4481093d01c..8740c1c7351 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-basics.dtx
@@ -38,7 +38,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
@@ -73,6 +73,7 @@
 % \begin{macro}[EXP]
 %   {
 %     \@@_parse_word_abs:N   ,
+%     \@@_parse_word_logb:N  ,
 %     \@@_parse_word_sign:N  ,
 %     \@@_parse_word_sqrt:N  ,
 %   }
@@ -80,6 +81,8 @@
 %    \begin{macrocode}
 \cs_new:Npn \@@_parse_word_abs:N
   { \@@_parse_unary_function:NNN \@@_set_sign_o:w 0 }
+\cs_new:Npn \@@_parse_word_logb:N
+  { \@@_parse_unary_function:NNN \@@_logb_o:w ? }
 \cs_new:Npn \@@_parse_word_sign:N
   { \@@_parse_unary_function:NNN \@@_sign_o:w ? }
 \cs_new:Npn \@@_parse_word_sqrt:N
@@ -2029,7 +2032,29 @@
 %    \end{macrocode}
 % \end{macro}
 %
-% \subsection{About the sign}
+% \subsection{About the sign and exponent}
+%
+% \begin{macro}[EXP]{\@@_logb_o:w, \@@_logb_aux_o:w}
+%   The exponent of a normal number is its \meta{exponent} minus one.
+%    \begin{macrocode}
+\cs_new:Npn \@@_logb_o:w ? \s_@@ \@@_chk:w #1#2; @
+  {
+    \if_case:w #1 \exp_stop_f:
+           \@@_case_use:nw
+             { \@@_division_by_zero_o:Nnw \c_minus_inf_fp { logb } }
+    \or:   \exp_after:wN \@@_logb_aux_o:w
+    \or:   \@@_case_return_o:Nw \c_inf_fp
+    \else: \@@_case_return_same_o:w
+    \fi:
+    \s_@@ \@@_chk:w #1 #2;
+  }
+\cs_new:Npn \@@_logb_aux_o:w \s_@@ \@@_chk:w #1 #2 #3 #4 ;
+  {
+    \exp_after:wN \@@_parse:n \exp_after:wN
+      { \int_value:w \int_eval:w #3 - 1 \exp_after:wN }
+  }
+%    \end{macrocode}
+% \end{macro}
 %
 % \begin{macro}[EXP]{\@@_sign_o:w}
 % \begin{macro}[EXP]{\@@_sign_aux_o:w}
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
index ba6a1c40310..64db9fe578a 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-convert.dtx
@@ -41,7 +41,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
index 8d337c89905..9347f5cc946 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-expo.dtx
@@ -38,7 +38,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
index 088d2ef1882..f98aa35ad98 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-extended.dtx
@@ -38,7 +38,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
index f1810b23934..eacc520f0b4 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-logic.dtx
@@ -38,7 +38,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
index 10e1b1da3ff..fa5f0fcf8c5 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-parse.dtx
@@ -38,7 +38,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
index 03bc5df76fe..61f457ae449 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-random.dtx
@@ -38,7 +38,7 @@
 %          {latex-team@latex-project.org}^^A
 %    }^^A
 % }
-% \date{Released 2018-10-31}
+% \date{Released 2018-11-19}
 %
 % \maketitle
 %
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
index 5bd974f8d10..910299e3e67 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-round.dtx
@@ -41,7 +41,7 @@
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+% \date{Released 2018-11-19}
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
index e8c66baabea..84b7ebafc6c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-traps.dtx
@@ -38,7 +38,7 @@
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+% \date{Released 2018-11-19}
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index 035bae6b9a6..241fb2d58f9 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp-trig.dtx
@@ -38,7 +38,7 @@
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index 1d7b72377f4..89cf60d0632 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3fp.dtx
@@ -47,7 +47,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx b/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
index fcd8a27d2c3..7ef911cc9ff 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3fparray.dtx
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@@ -42,7 +42,7 @@
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index a8a6851ae8c..56fa910a314 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3int.dtx
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx b/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
index 06a819937f0..6879d1c6e06 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3intarray.dtx
@@ -42,7 +42,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx b/Master/texmf-dist/source/latex/l3kernel/l3kernel-functions.dtx
index 834d0dc4254..efa037242b5 100644
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx b/Master/texmf-dist/source/latex/l3kernel/l3keys.dtx
index 6e1b148e0f3..030f5660ef5 100644
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx b/Master/texmf-dist/source/latex/l3kernel/l3luatex.dtx
index 82da76ea03f..cdaf498190b 100644
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx b/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
index 87c8ad1e870..0b9794dd043 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3msg.dtx
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@@ -41,7 +41,7 @@
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@@ -891,7 +891,7 @@
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index c4ad2e471d2..9ab3a340a6e 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3names.dtx
@@ -41,7 +41,7 @@
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@@ -615,6 +615,7 @@
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   \@@_primitive:NN \pdfeachlineheight     \tex_eachlineheight:D
   \@@_primitive:NN \pdfelapsedtime        \tex_elapsedtime:D
+  \@@_primitive:NN \pdffiledump           \tex_filedump:D
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+  \@@_primitive:NN \filemoddate           \tex_filemoddate:D
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3oldmodules.dtx b/Master/texmf-dist/source/latex/l3kernel/l3oldmodules.dtx
index b9a217c4b0d..ff344233c91 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3oldmodules.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3oldmodules.dtx
@@ -42,7 +42,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
index 3ec1682efee..b18389f6e50 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx b/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
index 3259bc595b3..0f2fdff7569 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3prop.dtx
@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx b/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
index efe7f51ac47..a123baf55f0 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3quark.dtx
@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx b/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
index 389661bbb56..68b597a9250 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3regex.dtx
@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx b/Master/texmf-dist/source/latex/l3kernel/l3seq.dtx
index 1b7667253d6..0eaadc78d50 100644
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx b/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
index 32c0f38ffeb..cb1839353d5 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3skip.dtx
@@ -42,7 +42,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx b/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
index 39c733fbca9..217acdaa320 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3sort.dtx
@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3str.dtx b/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
index cdf0c1dc821..430f33d2498 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3str.dtx
@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx b/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
index f990fd150fc..38ed4c2925f 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx b/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
index 3f95c433027..1b2d02d32d1 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3tl-analysis.dtx
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@@ -42,7 +42,7 @@
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index 8248febf65f..30ef7b74f8d 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3tl.dtx
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3token.dtx b/Master/texmf-dist/source/latex/l3kernel/l3token.dtx
index c37edbacf71..df8bac88aa7 100644
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@@ -41,7 +41,7 @@
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diff --git a/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx b/Master/texmf-dist/source/latex/l3kernel/l3unicode.dtx
index 7f00ded4b96..00536dc3472 100644
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@@ -41,7 +41,7 @@
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