--- evince-2.31.5/cut-n-paste/synctex/synctex_parser.c	2010-06-27 16:49:01.000000000 +0200
+++ evince-2.31.5/cut-n-paste/synctex/synctex_parser.c	2010-07-16 12:00:49.000000000 +0200
@@ -2549,6 +2549,7 @@ int __synctex_open(const char * output, 
 		char * quoteless = NULL;
 		const char * mode = synctex_io_modes[io_mode];
 		size_t size = 0;
+		synctex_io_mode_t orig_io_mode = io_mode;
 		/*  now create the synctex file name */
 		size = strlen(output)+strlen(synctex_suffix)+strlen(synctex_suffix_gz)+1;
 		synctex_name = (char *)malloc(size);
@@ -2565,6 +2566,11 @@ return_on_error:
 			synctex_name = NULL;/*  Don't forget to reinitialize. */
 			the_file = NULL;	/*  Here as well */
 			free(quoteless);
+			/* We _must_ restore the original mode. Otherwise, in
+			   case it had been "r", later changed to "rb", the next
+			   call might use "rb" and "w" and _create_ the file, if
+			   the caller is not avare of the change! */
+			io_mode = orig_io_mode;
 			return 2;
 		}
 		/*  remove the last path extension if any */