Merge branch 'develop' into gh818

# Conflicts: # base/changes.txt # base/lthooks.dtx
latex3 · May 19, 2022 · 2009137 · 2009137
2 parents f27392b + 6ed8c29
commit 2009137
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diff --git a/base/changes.txt b/base/changes.txt
@@ -16,6 +16,11 @@ are not part of the distribution.
 	* ltmeta.dtx:
 	Added dummy definitions for target commands.
 
+2022-05-13  Phelype Oleinik  <phelype.oleinik@latex-project.org>
+
+	* lthooks.dtx (subsection{Using the hook}):
+	Avoid l3debug error on an undeclared variable in \hook_use_once:nnn.
+
 2022-05-08  Marcel Krüger  <Marcel.Krueger@latex-project.org>
 
   * utf8ienc.dtx:

diff --git a/base/ltdefns.dtx b/base/ltdefns.dtx
@@ -32,7 +32,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{ltdefns.dtx}
-             [2021/06/04 v1.5q LaTeX Kernel (definition commands)]
+             [2022/05/13 v1.5q LaTeX Kernel (definition commands)]
 % \iffalse
 \documentclass{ltxdoc}
 \GetFileInfo{ltdefns.dtx}
@@ -1601,7 +1601,7 @@
 %   But more importantly, the most common use case of copying a command is to
 %   redefine it later, while preserving the old definition, as in:
 % \begin{verbatim}
-%   \ProvideComandCopy \A \B
+%   \ProvideCommandCopy \A \B
 %   \renewcommand \B { ... \A ... }
 % \end{verbatim}
 %   then, if \verb=\A= is already defined the first line is skipped, an in this

diff --git a/base/lthooks.dtx b/base/lthooks.dtx
@@ -2196,7 +2196,6 @@
 % \end{macro}
 %
 %
-%
 % \subsection{Providing new hooks}
 %
 % \subsubsection{The data structures of a hook}
@@ -4893,6 +4892,7 @@
 %   clears the hook so that any further call to \cs{hook_use:n} or
 %   \cs{hook_use_once:n} will expand to nothing.
 % \changes{v1.0r}{2021/09/06}{Clean up after \cs{UseOneTimeHook} (gh/606)}
+% \changes{v1.0u}{2022/05/13}{Check if prop exists to avoid l3debug error}
 %    \begin{macrocode}
 \cs_new_protected:Npn \@@_use_once_set:n #1
   { \@@_tl_gset:cn { g_@@_#1_reversed_tl } { I } }
@@ -4901,7 +4901,7 @@
     \@@_tl_gclear:c { @@~#1 }
     \@@_tl_gclear:c { @@_next~#1 }
     \@@_tl_gclear:c { @@_toplevel~#1 }
-    \prop_gclear:c { g_@@_#1_code_prop }
+    \prop_gclear_new:c { g_@@_#1_code_prop }
   }
 %    \end{macrocode}
 % \end{macro}

diff --git a/base/ltpara.dtx b/base/ltpara.dtx
@@ -15,7 +15,7 @@
 %
 %    \begin{macrocode}
 \def\ltparaversion{v1.0k}
-\def\ltparadate{2021/11/11}
+\def\ltparadate{2022/05/13}
 %    \end{macrocode}
 %<*driver>
 \documentclass{l3doc}
@@ -484,7 +484,7 @@
 %
 %    To avoid issues a paragraph started by them should always be
 %    ended by \cs{RawParEnd}\footnote{Technical note for those who
-%    know their \textit{\TeX book\/}: the \cs{RawParEnd} comand
+%    know their \textit{\TeX book\/}: the \cs{RawParEnd} command
 %    invokes the original \TeX{} engine definition of \cs{par} that
 %    (soley) triggers the paragraph builder in \TeX{} when found
 %    inside unrestricted horizontal mode and does nothing in other

diff --git a/base/testfiles-lthooks/lthooks-032.lvt b/base/testfiles-lthooks/lthooks-032.lvt
@@ -0,0 +1,18 @@
+
+\RequirePackage[enable-debug]{expl3}
+\ExplSyntaxOn
+\debug_on:n { check-declarations , deprecation }
+\ExplSyntaxOff
+
+\documentclass{article}
+
+\input{regression-test}
+
+
+\usepackage{tracefnt}
+
+\START
+
+\AddToHook{package/tracefnt/after}{\typeout{-> Too late so execute directly, but no error!}}
+
+\END
diff --git a/base/testfiles-lthooks/lthooks-032.tlg b/base/testfiles-lthooks/lthooks-032.tlg
@@ -0,0 +1,3 @@
+This is a generated file for the l3build validation system.
+Don't change this file in any respect.
+-> Too late so execute directly, but no error!
diff --git a/base/update-lthooks-tests.sh b/base/update-lthooks-tests.sh
@@ -86,6 +86,7 @@ l3build save -cconfig-lthooks \
    lthooks-029-deprecated \
    lthooks-030 \
    lthooks-031 \
+   lthooks-032 \
    lthooks-errors \
    lthooks-errors-deprecated \
    lthooks-etoolbox \