add #12: prepare English supports

pdf/zh-cn/meta/cpp-listings.tex

@@ -0,0 +1,26 @@
+
+\usepackage{xcolor}
+
+\definecolor{keyword}{HTML}{BA2CA3}
+\definecolor{string}{HTML}{D12F1B}
+\definecolor{comment}{HTML}{008400}
+
+\lstset{
+  basicstyle={\small\ttfamily},
+  keywordstyle={\color[rgb]{0.13,0.29,0.53}\bfseries},
+  breaklines=true,
+  emphstyle={\bfseries\color{Rhodamine}},
+  commentstyle={\color[rgb]{0.56,0.35,0.01}\itshape},
+  stringstyle={\color[rgb]{0.31,0.60,0.02}},
+  showstringspaces=false,
+  frame=shadowbox,
+  breakatwhitespace=false,
+  captionpos=b,
+  extendedchars=true,
+  keepspaces=true,
+  numbers=left,
+  numberstyle=\tiny,
+  rulecolor=\color{black},
+  rulesepcolor={\color{blue!20!white}},
+  showspaces=false,
+}