1 files changed, 15 insertions, 4 deletions
diff --git a/macros/latex/required/l3kernel/l3coffins.dtx b/macros/latex/required/l3kernel/l3coffins.dtx
index 62dc5f92ad..7eda18d6e7 100644
--- a/macros/latex/required/l3kernel/l3coffins.dtx
+++ b/macros/latex/required/l3kernel/l3coffins.dtx
@@ -43,7 +43,7 @@
 %    }^^A
 % }
 %
-% \date{Released 2024-05-27}
+% \date{Released 2024-11-02}
 %
 % \maketitle
 %
@@ -327,6 +327,14 @@
 %   in a form suitable for use in a \meta{dim expr}.
 % \end{function}
 %
+% \begin{function}[added = 2024-10-01]{\coffin_ht_plus_dp:N, \coffin_ht_plus_dp:c}
+%   \begin{syntax}
+%     \cs{coffin_ht_plus_dp:N} \meta{coffin}
+%   \end{syntax}
+%   Calculates the total vertical size (height plus depth) of the \meta{coffin}
+%   in a form suitable for use in a \meta{dim expr}.
+% \end{function}
+%
 % \begin{function}{\coffin_wd:N, \coffin_wd:c}
 %   \begin{syntax}
 %     \cs{coffin_wd:N} \meta{coffin}
@@ -866,7 +874,7 @@
 %    \begin{macrocode}
 \cs_new_protected:Npn \coffin_set_eq:NN #1#2
   {
-    \@@_if_exist:NT #1
+    \@@_if_exist:NT #2
       {
         \box_set_eq:NN #1 #2
         \prop_set_eq:cc { coffin ~ \@@_to_value:N #1 ~ corners }
@@ -878,7 +886,7 @@
 \cs_generate_variant:Nn \coffin_set_eq:NN { c , Nc , cc }
 \cs_new_protected:Npn \coffin_gset_eq:NN #1#2
   {
-    \@@_if_exist:NT #1
+    \@@_if_exist:NT #2
       {
         \box_gset_eq:NN #1 #2
         \prop_gset_eq:cc { coffin ~ \@@_to_value:N #1 ~ corners }
@@ -924,7 +932,8 @@
 % \begin{macro}
 %   {
 %     \coffin_dp:N, \coffin_dp:c, \coffin_ht:N, \coffin_ht:c,
-%     \coffin_wd:N, \coffin_wd:c
+%     \coffin_ht_plus_dp:N, \coffin_ht_plus_dp:c,
+%     \coffin_wd:N, \coffin_wd:c, 
 %   }
 %   Coffins are just boxes when it comes to measurement. However, semantically
 %   a separate set of functions are required.
@@ -933,6 +942,8 @@
 \cs_new_eq:NN \coffin_dp:c \box_dp:c
 \cs_new_eq:NN \coffin_ht:N \box_ht:N
 \cs_new_eq:NN \coffin_ht:c \box_ht:c
+\cs_new_eq:NN \coffin_ht_plus_dp:N \box_ht_plus_dp:N
+\cs_new_eq:NN \coffin_ht_plus_dp:c \box_ht_plus_dp:c
 \cs_new_eq:NN \coffin_wd:N \box_wd:N
 \cs_new_eq:NN \coffin_wd:c \box_wd:c
 %    \end{macrocode}