[latex3-commits] [git/LaTeX3-latex3-latex3] gh-2e-711: prepare for xfp commands to be added to 2e kernel (a24069433)

[Frank Mittelbach]

Repository : https://github.com/latex3/latex3
On branch  : gh-2e-711
Link       : https://github.com/latex3/latex3/commit/a24069433fe2c007fa5e2c2536582a050a8f2480

>---------------------------------------------------------------

commit a24069433fe2c007fa5e2c2536582a050a8f2480
Author: Frank Mittelbach <frank.mittelbach at latex-project.org>
Date:   Tue Nov 30 23:35:31 2021 +0100

    prepare for xfp commands to be added to 2e kernel


>---------------------------------------------------------------

a24069433fe2c007fa5e2c2536582a050a8f2480
 l3packages/CHANGELOG.md |  4 ++++
 l3packages/README.md    |  4 +++-
 l3packages/xfp/xfp.dtx  | 16 ++++++++++++----
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/l3packages/CHANGELOG.md b/l3packages/CHANGELOG.md
index a5a54eeed..4891494ab 100644
--- a/l3packages/CHANGELOG.md
+++ b/l3packages/CHANGELOG.md
@@ -7,6 +7,10 @@ this project uses date-based 'snapshot' version identifiers.
 
 ## [Unreleased]
 
+### Changed
+- Use `\ProvideExp...` in `xfp` because the package will soon no longer be needed
+  and just remains so that old documents still compile correctly.
+
 ## [2021-11-12]
 
 ### Added
diff --git a/l3packages/README.md b/l3packages/README.md
index d71cfcc58..6a87f5d44 100644
--- a/l3packages/README.md
+++ b/l3packages/README.md
@@ -21,7 +21,7 @@ updated at the same time.
 Currently included in the CTAN release of `l3packages` are the following
 bundles:
 * `l3keys2e`
-* `xfp`
+* `xfp`     (from 2022-06-01 part of the LaTeX format)
 * `xfrac`
 * `xparse`
 * `xtemplate`
@@ -42,6 +42,8 @@ FPU. As such, it is a wrapper around the core `\fp_eval:n` function
 but does not require code syntax. It provides the expandable command
 `\fpeval`, which can be used inside for example `\edef` or contexts
 where TeX requires a number.
+From 2022-06-01 release if LaTeX this will be included in the format
+so that the package  doesn't need loading any longer.
 
 `xfrac`
 -------
diff --git a/l3packages/xfp/xfp.dtx b/l3packages/xfp/xfp.dtx
index c3ba90bb1..ae40fcfb1 100644
--- a/l3packages/xfp/xfp.dtx
+++ b/l3packages/xfp/xfp.dtx
@@ -69,6 +69,11 @@
 %
 % \begin{documentation}
 %
+%    The two functions provided by this package are part of the \LaTeX{}
+%    format starting with 2022-06-01 release. This package is
+%    therefore no longer needed and only provided to be able to
+%    process older documents loading.
+%
 % This package provides a \LaTeXe{} document-level interface to the \LaTeX{}3
 % floating point unit (part of \pkg{expl3}). It also provides a parallel
 % integer expression interface for convenience.
@@ -166,21 +171,24 @@
 %    \end{macrocode}
 %
 %    \begin{macrocode}
-\ProvidesExplPackage{xfp}{2021-11-12}{}
+\ProvidesExplPackage{xfp}{2021-11-30}{}
   {L3 Floating point unit}
 %    \end{macrocode}
 %
 % \begin{macro}{\fpeval}
-%   A document level wrapper around the code level function.
+%    A document level wrapper around the code level function. This
+%    definition will be moved to the \LaTeXe{} format so we just
+%    ``provide'' it in case this package gets loaded in documents
+%    processed with a new format.
 %    \begin{macrocode}
-\NewExpandableDocumentCommand \fpeval { m } { \fp_eval:n {#1} }
+\ProvideExpandableDocumentCommand \fpeval { m } { \fp_eval:n {#1} }
 %    \end{macrocode}
 % \end{macro}
 %
 % \begin{macro}{\inteval}
 %   A second one, this time around an \eTeX{} primitive.
 %    \begin{macrocode}
-\NewExpandableDocumentCommand \inteval { m } { \int_eval:n {#1} }
+\ProvideExpandableDocumentCommand \inteval { m } { \int_eval:n {#1} }
 %    \end{macrocode}
 % \end{macro}
 %