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-rw-r--r--Master/texmf-dist/source/latex/l3kernel/l3sys.dtx13
1 files changed, 5 insertions, 8 deletions
diff --git a/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx b/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
index faca036fc44..a664fbd67da 100644
--- a/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
+++ b/Master/texmf-dist/source/latex/l3kernel/l3sys.dtx
@@ -24,7 +24,7 @@
\documentclass[full]{l3doc}
%</driver>
%<*driver|package>
-\GetIdInfo$Id: l3sys.dtx 6811 2017-01-01 08:50:54Z joseph $
+\GetIdInfo$Id: l3sys.dtx 6976 2017-02-22 16:49:53Z stonezeng $
{L3 Experimental system/runtime functions}
%</driver|package>
%<*driver>
@@ -84,7 +84,7 @@
% \end{texnote}
% \end{variable}
%
-% \subsection{Engine}
+% \section{Engine}
%
% \begin{function}[added = 2015-09-07, EXP, pTF]
% {
@@ -110,7 +110,7 @@
% |luatex|, |pdftex|, |ptex|, |uptex| or |xetex|.
% \end{variable}
%
-% \subsection{Output format}
+% \section{Output format}
%
% \begin{function}[added = 2015-09-19, EXP, pTF]
% {
@@ -268,11 +268,8 @@
% \begin{variable}{\c_sys_output_str}
% This is a simple enough concept: the two views here are complementary.
% \begin{macrocode}
-\bool_if:nTF
- {
- \cs_if_exist_p:N \pdftex_pdfoutput:D
- && \int_compare_p:nNn \pdftex_pdfoutput:D > \c_zero
- }
+\int_compare:nNnTF
+ { \cs_if_exist_use:NF \pdftex_pdfoutput:D { 0 } } > { 0 }
{
\cs_new_eq:NN \sys_if_output_dvi:T \use_none:n
\cs_new_eq:NN \sys_if_output_dvi:F \use:n