Default handling of VT100 line drawing characters in cut and paste is

now to translate them into poor man's characters (+--+ and |). We also
have an option to disable this (and map line drawing characters to the
corresponding ASCII code as before). Thanks to Robert de Bath.

[originally from svn r1029]

putty.h

@@ -52,6 +52,7 @@
 #define ERASE_CHAR   (ATTR_DEFAULT | ' ')
 #define ATTR_MASK    0xFFFFFF00UL
 #define CHAR_MASK    0x000000FFUL
+#define CSET_MASK    0x00F00000UL      /* mask for character set */
 
 typedef HDC Context;
 #define SEL_NL { 13, 10 }
@@ -232,6 +233,7 @@ typedef struct {
     unsigned char colours[22][3];
     /* Selection options */
     int mouse_is_xterm;
+    int rawcnp;
     short wordness[256];
     /* translations */
     VT_Mode vtmode;