New option -backslash_codes for expressing weird file names

libisoburn/trunk/xorriso/xorriso_private.h

@@ -209,6 +209,16 @@ struct XorrisO { /* the global context of xorriso */
 
  int dialog;  /* 0=off , 1=single-line , 2=multi-line */
 
+ int bsl_interpretation;
+                     /* whether to run input through Sfile_bsl_interpreter():
+                        bit0-1= dialog and quoted file reading
+                          0= no interpretation, leave unchanged
+                          1= only inside double quotes
+                          2= outside single quotes
+                          3= everywhere
+                        bit2-3= reserved as future expansion of bit0-1
+                        bit4= interpretation within program start arguments
+                     */
 
  /* Pattern matching facility. It still carries legacy from scdbackup/askme.c
     but is fully functional for xorriso.