1 files changed, 53 insertions, 11 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
index 599957933fe..3613101e0b6 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
@@ -33,13 +33,14 @@
 %%
 %% -----------------------------------------------------------------------
 %
+%<*driver>
+\documentclass[full]{l3doc}
+%</driver>
 %<*driver|package>
-\RequirePackage{l3bootstrap}
-\GetIdInfo$Id: l3prg.dtx 4642 2014-01-04 17:28:32Z joseph $
+\GetIdInfo$Id: l3prg.dtx 4728 2014-05-04 13:25:37Z joseph $
   {L3 Control structures}
 %</driver|package>
 %<*driver>
-\documentclass[full]{l3doc}
 \begin{document}
   \DocInput{\jobname.dtx}
 \end{document}
@@ -694,14 +695,6 @@
 %<*initex|package>
 %    \end{macrocode}
 %
-%    \begin{macrocode}
-%<*package>
-\ProvidesExplPackage
-  {\ExplFileName}{\ExplFileDate}{\ExplFileVersion}{\ExplFileDescription}
-\__expl_package_check:
-%</package>
-%    \end{macrocode}
-%
 % \subsection{Primitive conditionals}
 %
 % \begin{macro}{\if_bool:N}
@@ -823,6 +816,55 @@
 % \end{macro}
 % \end{macro}
 %
+%  Booleans are not based on token lists but do need checking: this
+%  code complements similar material in \pkg{l3tl}.
+%    \begin{macrocode}
+%<*package>
+\tex_ifodd:D \l@expl@check@declarations@bool
+  \cs_set_protected:Npn \bool_set_true:N #1
+    {
+      \__chk_if_exist_var:N #1
+      \cs_set_eq:NN #1 \c_true_bool
+    }
+  \cs_set_protected:Npn \bool_set_false:N #1
+    {
+      \__chk_if_exist_var:N #1
+      \cs_set_eq:NN #1 \c_false_bool
+    }
+  \cs_set_protected:Npn \bool_gset_true:N #1
+    {
+      \__chk_if_exist_var:N #1
+      \cs_gset_eq:NN #1 \c_true_bool
+    }
+  \cs_set_protected:Npn \bool_gset_false:N #1
+    {
+      \__chk_if_exist_var:N #1
+      \cs_gset_eq:NN #1 \c_false_bool
+    }
+  \cs_set_protected:Npn \bool_set_eq:NN  #1
+    {
+      \__chk_if_exist_var:N #1
+      \cs_set_eq:NN #1
+    }
+  \cs_set_protected:Npn \bool_gset_eq:NN  #1
+    {
+      \__chk_if_exist_var:N #1
+      \cs_gset_eq:NN #1
+    }
+  \cs_set_protected:Npn \bool_set:Nn #1#2
+    {
+      \__chk_if_exist_var:N #1
+      \tex_chardef:D #1 = \bool_if_p:n {#2}
+    }
+  \cs_set_protected:Npn \bool_gset:Nn #1#2
+    {
+      \__chk_if_exist_var:N #1
+      \tex_global:D \tex_chardef:D #1 = \bool_if_p:n {#2}
+    }
+\tex_fi:D
+%</package>
+%    \end{macrocode}
+%
 % \begin{macro}[pTF]{\bool_if:N, \bool_if:c}
 % \UnitTested
 %  Straight forward here. We could optimize here if we wanted to as