CP5022{0,1,2}: treat unrecognized escapes as error

Author: alexdowad

ext/mbstring/libmbfl/filters/mbfilter_cp5022x.c

@@ -296,7 +296,7 @@ mbfl_filt_conv_jis_ms_wchar(int c, mbfl_convert_filter *filter)
 			filter->status += 3;
 		} else {
 			filter->status &= ~0xf;
-			CK((*filter->output_function)(0x1b, filter->data));
+			CK((*filter->output_function)(0x1b | MBFL_WCSGROUP_THROUGH, filter->data));
 			goto retry;
 		}
 		break;
@@ -314,7 +314,7 @@ mbfl_filt_conv_jis_ms_wchar(int c, mbfl_convert_filter *filter)
 			filter->status++;
 		} else {
 			filter->status &= ~0xf;
-			CK((*filter->output_function)(0x1b, filter->data));
+			CK((*filter->output_function)(0x1b | MBFL_WCSGROUP_THROUGH, filter->data));
 			CK((*filter->output_function)(0x24, filter->data));
 			goto retry;
 		}
@@ -333,7 +333,7 @@ mbfl_filt_conv_jis_ms_wchar(int c, mbfl_convert_filter *filter)
 			filter->status = 0x90;
 		} else {
 			filter->status &= ~0xf;
-			CK((*filter->output_function)(0x1b, filter->data));
+			CK((*filter->output_function)(0x1b | MBFL_WCSGROUP_THROUGH, filter->data));
 			CK((*filter->output_function)(0x24, filter->data));
 			CK((*filter->output_function)(0x28, filter->data));
 			goto retry;
@@ -355,7 +355,7 @@ mbfl_filt_conv_jis_ms_wchar(int c, mbfl_convert_filter *filter)
 			filter->status = 0x20;
 		} else {
 			filter->status &= ~0xf;
-			CK((*filter->output_function)(0x1b, filter->data));
+			CK((*filter->output_function)(0x1b | MBFL_WCSGROUP_THROUGH, filter->data));
 			CK((*filter->output_function)(0x28, filter->data));
 			goto retry;
 		}