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-rw-r--r--Master/texmf-dist/source/latex/l3kernel/l3prg.dtx29
1 files changed, 22 insertions, 7 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
index 29e41e5aa06..14a9a789b6c 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
@@ -43,7 +43,7 @@
% }^^A
% }
%
-% \date{Released 2019-09-19}
+% \date{Released 2019-09-28}
%
% \maketitle
%
@@ -252,6 +252,15 @@
% \meta{boolean} is initially \texttt{false}.
% \end{function}
%
+% \begin{function}[added = 2017-11-28]{\bool_const:Nn, \bool_const:cn}
+% \begin{syntax}
+% \cs{bool_const:Nn} \meta{boolean} \Arg{boolexpr}
+% \end{syntax}
+% Creates a new constant \meta{boolean} or raises an error if the name
+% is already taken. The value of the \meta{boolean} is set globally to
+% the result of evaluating the \meta{boolexpr}.
+% \end{function}
+%
% \begin{function}
% {
% \bool_set_false:N , \bool_set_false:c ,
@@ -823,6 +832,18 @@
% \end{macrocode}
% \end{macro}
%
+% \begin{macro}[added = 2017-11-28]{\bool_const:Nn, \bool_const:cn}
+% A merger between \cs{tl_const:Nn} and \cs{bool_set:Nn}.
+% \begin{macrocode}
+\cs_new_protected:Npn \bool_const:Nn #1#2
+ {
+ \__kernel_chk_if_free_cs:N #1
+ \tex_global:D \tex_chardef:D #1 = \bool_if_p:n {#2}
+ }
+\cs_generate_variant:Nn \bool_const:Nn { c }
+% \end{macrocode}
+% \end{macro}
+%
% \begin{macro}
% {
% \bool_set_true:N, \bool_set_true:c,
@@ -836,16 +857,12 @@
% make sure the boolean exists. This is needed because booleans are
% not based on token lists nor on \TeX{} registers.
% \begin{macrocode}
-\__kernel_patch:nnNNpn { \__kernel_chk_var_local:N #1 } { }
\cs_new_protected:Npn \bool_set_true:N #1
{ \cs_set_eq:NN #1 \c_true_bool }
-\__kernel_patch:nnNNpn { \__kernel_chk_var_local:N #1 } { }
\cs_new_protected:Npn \bool_set_false:N #1
{ \cs_set_eq:NN #1 \c_false_bool }
-\__kernel_patch:nnNNpn { \__kernel_chk_var_global:N #1 } { }
\cs_new_protected:Npn \bool_gset_true:N #1
{ \cs_gset_eq:NN #1 \c_true_bool }
-\__kernel_patch:nnNNpn { \__kernel_chk_var_global:N #1 } { }
\cs_new_protected:Npn \bool_gset_false:N #1
{ \cs_gset_eq:NN #1 \c_false_bool }
\cs_generate_variant:Nn \bool_set_true:N { c }
@@ -883,13 +900,11 @@
% primitive sets the left-hand side to \cs{scan_stop:} before looking
% for the right-hand side.
% \begin{macrocode}
-\__kernel_patch:nnNNpn { \__kernel_chk_var_local:N #1 } { }
\cs_new_protected:Npn \bool_set:Nn #1#2
{
\exp_last_unbraced:NNNf
\tex_chardef:D #1 = { \bool_if_p:n {#2} }
}
-\__kernel_patch:nnNNpn { \__kernel_chk_var_global:N #1 } { }
\cs_new_protected:Npn \bool_gset:Nn #1#2
{
\exp_last_unbraced:NNNNf