Hotfix/gh1558 (#1559)

* fix for #1598 (needs adjustment once tagpdf-base has been updated) * and a bunch of hook test changes (until we take the hook out again * life is not easy * indeed not ... * and 2 more * Apply suggestions from code review right you are ... Co-authored-by: Yukai Chou <[email protected]> * correct test name * update to tagpdf 0.99j, adapt lttagging --------- Co-authored-by: Yukai Chou <[email protected]> Co-authored-by: Ulrike Fischer <[email protected]>
latex3 · Nov 23, 2024 · f1d9b59 · f1d9b59
1 parent 706799b
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diff --git a/base/changes.txt b/base/changes.txt
@@ -14,6 +14,11 @@ All changes above are only part of the development branch for the next release.
 # 2024-11-01 PL1 Release
 #########################
 
+2024-11-22  Frank Mittelbach  <[email protected]>
+
+	* lttagging.dtx (section{Implementation}):
+	Declare \tag_if_active:TF and friends in the kernel (gh/1558)
+
 2024-11-19  Frank Mittelbach  <[email protected]>
 
 	* lttextcomp.dtx:

diff --git a/base/lttagging.dtx b/base/lttagging.dtx
@@ -33,7 +33,7 @@
 %<*driver>
 % \fi
 \ProvidesFile{lttagging.dtx}
-             [2024/10/21 v1.0k LaTeX Kernel (tagging support)]
+             [2024/11/22 v1.0l LaTeX Kernel (tagging support)]
 % \iffalse
 \documentclass{l3doc}
 \GetFileInfo{lttagging.dtx}
@@ -183,16 +183,11 @@
 %    Again this is not the final definition for the kernel; it is just
 %    a version to get going while some parts of the kernel support are
 %    still missing.
+% \changes{v1.0l}{2024/11/21}{Define \cs{tag_if_active:TF} conditionals here (github/1558)}
 %    \begin{macrocode}
-\AddToHook{begindocument}[kernel]{
-  \cs_if_exist:NF \tag_if_active:T
-     {
-       \prg_new_conditional:Npnn \tag_if_active: { p , T , TF, F }
-           { \prg_return_false: }
-     }
-}
+\prg_new_conditional:Npnn \tag_if_active: { p , T , TF, F }
+     { \prg_return_false: }
 %    \end{macrocode}
-%
 %    Dummy definitions in the kernel.
 %    These definitions will get updated in \pkg{tagpdf}.
 %    The default in the kernel is just to get rid of the first argument, the second is preserved if present:

diff --git a/base/testfiles-lthooks/ltcmdhooks-001.tlg b/base/testfiles-lthooks/ltcmdhooks-001.tlg
@@ -65,11 +65,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -242,7 +237,6 @@ Data structure for label rules:
 Handled code for x
 Handled code for y
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-000.tlg b/base/testfiles-lthooks/lthooks-000.tlg
@@ -5,11 +5,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -166,7 +161,6 @@ Data structure for label rules:
  backend = 0 -> 
 Handled code for backend
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-001.tlg b/base/testfiles-lthooks/lthooks-001.tlg
@@ -10,11 +10,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -173,7 +168,6 @@ Data structure for label rules:
 Handled code for label1
 Handled code for label2
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  
@@ -262,11 +256,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -423,7 +412,6 @@ Data structure for label rules:
  label1 = 0 -> 
 Handled code for label1
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-002.tlg b/base/testfiles-lthooks/lthooks-002.tlg
@@ -10,11 +10,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -173,7 +168,6 @@ Data structure for label rules:
 Handled code for label1
 Handled code for label2
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  
@@ -264,11 +258,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -425,7 +414,6 @@ Data structure for label rules:
  label1 = 0 -> 
 Handled code for label1
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-003.tlg b/base/testfiles-lthooks/lthooks-003.tlg
@@ -96,11 +96,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -283,7 +278,6 @@ Handled code for label5
 Handled code for label8
 Handled code for label6
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-004.tlg b/base/testfiles-lthooks/lthooks-004.tlg
@@ -80,11 +80,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -258,7 +253,6 @@ Data structure for label rules:
  label4 = 0 -> label1
 ====================
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-005.tlg b/base/testfiles-lthooks/lthooks-005.tlg
@@ -103,11 +103,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -290,7 +285,6 @@ Handled code for label5
 Handled code for label8
 Handled code for label6
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-006.tlg b/base/testfiles-lthooks/lthooks-006.tlg
@@ -76,11 +76,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -244,7 +239,6 @@ Handled code for label1
 Handled code for label3
 Handled code for label2
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-007.tlg b/base/testfiles-lthooks/lthooks-007.tlg
@@ -77,11 +77,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -246,7 +241,6 @@ Handled code for label1
 Handled code for label3
 Handled code for label2
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  
@@ -270,11 +264,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -437,7 +426,6 @@ Handled code for label1
 Handled code for label2
 Handled code for label3
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after  
  file/pgfpages.sty/after -> \__hook_toplevel file/pgfpages.sty/after \cs_gset_eq:NN \shipout \pgfpages@originalshipout \cs_set_eq:NN \pgfpages@originalshipout \tex_shipout:D \cs_set_eq:NN \tex_shipout:D \pgfpages@interceptshipout \__hook_next file/pgfpages.sty/after  

diff --git a/base/testfiles-lthooks/lthooks-008.tlg b/base/testfiles-lthooks/lthooks-008.tlg
@@ -76,11 +76,6 @@ Update code for hook 'para/after' on input line ...:
 Update code for hook 'para/begin' on input line ...:
 Update code for hook 'para/end' on input line ...:
 Update code for hook 'begindocument' on input line ...:
-Code labels for sorting:
- kernel
-Data structure for label rules:
- kernel = 0 -> 
-Handled code for kernel
 Update code for hook 'begindocument/before' on input line ...:
 Update code for hook 'begindocument/end' on input line ...:
 Update code for hook 'include/before' on input line ...:
@@ -246,7 +241,6 @@ Data structure for label rules:
  backend = 0 -> 
 Handled code for backend
 All initialized (non-empty) hooks:
- begindocument -> \cs_if_exist:NF \tag_if_active:T {\prg_new_conditional:Npnn \tag_if_active: {p,T,TF,F}{\prg_return_false: }}\__hook_toplevel begindocument \__hook_next begindocument  
  enddocument -> \typeout {foo}\typeout {bar}\typeout {from my package}\__hook_toplevel enddocument \__hook_next enddocument  
  enddocument/info -> \@dofilelist \@enddocument@kernel@warnings \__hook_toplevel enddocument/info \__hook_next enddocument/info  
  file/dinbrief.cls/after -> \__hook_toplevel file/dinbrief.cls/after \FirstAidNeededT {dinbrief}{cls}{....-..-.. LaTeX2e class}{\AddToHook {env/document/begin}{\begingroup }}\__hook_next file/dinbrief.cls/after