1 files changed, 28 insertions, 2 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
index 320c9d230e7..9ed983c9afb 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3prg.dtx
@@ -24,7 +24,7 @@
 \documentclass[full]{l3doc}
 %</driver>
 %<*driver|package>
-\GetIdInfo$Id: l3prg.dtx 6811 2017-01-01 08:50:54Z joseph $
+\GetIdInfo$Id: l3prg.dtx 6906 2017-02-12 20:07:58Z bruno $
   {L3 Control structures}
 %</driver|package>
 %<*driver>
@@ -312,6 +312,21 @@
 %   terminal.
 % \end{function}
 %
+% \begin{function}[added = 2014-08-22, updated = 2015-08-03]{\bool_log:N, \bool_log:c}
+%   \begin{syntax}
+%     \cs{bool_log:N} \meta{boolean}
+%   \end{syntax}
+%   Writes the logical truth of the \meta{boolean} in the log file.
+% \end{function}
+%
+% \begin{function}[added = 2014-08-22, updated = 2015-08-07]{\bool_log:n}
+%   \begin{syntax}
+%     \cs{bool_log:n} \Arg{boolean expression}
+%   \end{syntax}
+%   Writes the logical truth of the \meta{boolean expression} in the log
+%   file.
+% \end{function}
+%
 % \begin{function}[EXP, pTF, added=2012-03-03]
 %   {\bool_if_exist:N, \bool_if_exist:c}
 %   \begin{syntax}
@@ -345,7 +360,7 @@
 % A boolean expression is an expression which given input in the form
 % of predicate functions and boolean variables, return boolean
 % \meta{true} or \meta{false}. It supports the logical operations And,
-% Or and Not as the well-known infix operators |&&|, \verb"||" and |!|
+% Or and Not as the well-known infix operators |&&| and \verb"||" and prefix~|!|
 % with their usual precedences (namely, |&&| binds more tightly than
 % \verb"||"). In
 % addition to this, parentheses can be used to isolate
@@ -849,6 +864,17 @@
 % \end{macro}
 % \end{macro}
 %
+% \begin{macro}{\bool_log:N, \bool_log:c, \bool_log:n}
+%   Redirect output of \cs{bool_show:N} to the log.
+%    \begin{macrocode}
+\cs_new_protected:Npn \bool_log:N
+  { \__msg_log_next: \bool_show:N }
+\cs_new_protected:Npn \bool_log:n
+  { \__msg_log_next: \bool_show:n }
+\cs_generate_variant:Nn \bool_log:N { c }
+%    \end{macrocode}
+% \end{macro}
+%
 % \begin{variable}{\l_tmpa_bool, \l_tmpb_bool, \g_tmpa_bool, \g_tmpb_bool}
 %    A few booleans just if you need them.
 %    \begin{macrocode}