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authorKarl Berry <karl@freefriends.org>2024-03-24 22:32:26 +0000
committerKarl Berry <karl@freefriends.org>2024-03-24 22:32:26 +0000
commit3ca9ef1101cf85561ee22ce2c7162e526ecd181f (patch)
tree34f3d08926ebc16325126a97f48dc34181d80781
parentc03a438931521b91dad525209647d62c14e24eed (diff)
2024 branch: \aftergroup \output routine fix from DRF
git-svn-id: svn://tug.org/texlive/branches/branch2024@70751 c570f23f-e606-0410-a88d-b1316a301751
-rw-r--r--Build/source/texk/web2c/ChangeLog7
-rw-r--r--Build/source/texk/web2c/unbalanced-braces.ch19
2 files changed, 24 insertions, 2 deletions
diff --git a/Build/source/texk/web2c/ChangeLog b/Build/source/texk/web2c/ChangeLog
index b596f6db3ab..f2b53abdf84 100644
--- a/Build/source/texk/web2c/ChangeLog
+++ b/Build/source/texk/web2c/ChangeLog
@@ -1,3 +1,10 @@
+2024-03-24 Karl Berry <karl@freefriends.org>
+
+ * unbalanced-braces.ch: fix from DRF in order to make
+ \aftergroup work again with the output routine. Report
+ from David Carlisle and Frank Mittelbach, thread starts at:
+ https://tug.org/pipermail/tex-live/2024-March/050290.html
+
2024-03-10 Karl Berry <karl@tug.org>
* TL'24 release.
diff --git a/Build/source/texk/web2c/unbalanced-braces.ch b/Build/source/texk/web2c/unbalanced-braces.ch
index fab92f736a0..9cecdd465ef 100644
--- a/Build/source/texk/web2c/unbalanced-braces.ch
+++ b/Build/source/texk/web2c/unbalanced-braces.ch
@@ -47,7 +47,7 @@
begin decr(param_ptr);
flush_list(param_stack[param_ptr]);
end
- else if (token_type=output_text)and(output_active) then
+ else if (token_type=output_text)and(not output_can_end) then
fatal_error("Unbalanced output routine");
@.Unbalanced output routine@>
@z
@@ -103,6 +103,19 @@ while (loc=null)and(token_type<>v_template)
% that we were just finished with it, so it's where the brace
% came from.
+@x [45.989] l.19364 p.B417
+@!output_active:boolean; {are we in the midst of an output routine?}
+@y
+@!output_active:boolean; {are we in the midst of an output routine?}
+@!output_can_end:boolean; {is this an auspicious time for it to end?}
+@z
+
+@x [45.989] l.19367 p.B417
+output_active:=false; insert_penalties:=0;
+@y
+output_active:=false; output_can_end:=false; insert_penalties:=0;
+@z
+
% In <Resume the page builder after an output routine has come to an end>:
@x [45.1026] l.19938 p.B432
begin if (loc<>null) or
@@ -121,8 +134,10 @@ begin
end_token_list; {conserve stack space in case more outputs are triggered}
end_graf; unsave; output_active:=false; insert_penalties:=0;@/
@y
-end_graf; unsave; output_active:=false; insert_penalties:=0;@/
+output_can_end:=true;
end_token_list; {conserve stack space in case more outputs are triggered}
+output_can_end:=false;
+end_graf; unsave; output_active:=false; insert_penalties:=0;@/
@z
% <Expand macros in the token list and...> had set mode:=0 while