Index: quarks
==================================================================
--- quarks
+++ quarks
@@ -76,10 +76,11 @@
 equals
 greater
 question
 at
 leftbracket
+backslash
 rightbracket
 caret
 underscore
 backquote
 A

Index: quarks.h
==================================================================
--- quarks.h
+++ quarks.h
@@ -55,131 +55,132 @@
 #define Q_equals 56
 #define Q_greater 57
 #define Q_question 58
 #define Q_at 59
 #define Q_leftbracket 60
-#define Q_rightbracket 61
-#define Q_caret 62
-#define Q_underscore 63
-#define Q_backquote 64
-#define Q_A 65
-#define Q_B 66
-#define Q_C 67
-#define Q_D 68
-#define Q_E 69
-#define Q_F 70
-#define Q_G 71
-#define Q_H 72
-#define Q_I 73
-#define Q_J 74
-#define Q_K 75
-#define Q_L 76
-#define Q_M 77
-#define Q_N 78
-#define Q_O 79
-#define Q_P 80
-#define Q_Q 81
-#define Q_R 82
-#define Q_S 83
-#define Q_T 84
-#define Q_U 85
-#define Q_V 86
-#define Q_W 87
-#define Q_X 88
-#define Q_Y 89
-#define Q_Z 90
-#define Q_delete 91
-#define Q_kp0 92
-#define Q_kp1 93
-#define Q_kp2 94
-#define Q_kp3 95
-#define Q_kp4 96
-#define Q_kp5 97
-#define Q_kp6 98
-#define Q_kp7 99
-#define Q_kp8 100
-#define Q_kp9 101
-#define Q_kp_period 102
-#define Q_kp_divide 103
-#define Q_kp_multiply 104
-#define Q_kp_minus 105
-#define Q_kp_plus 106
-#define Q_kp_enter 107
-#define Q_kp_equals 108
-#define Q_up 109
-#define Q_down 110
-#define Q_right 111
-#define Q_left 112
-#define Q_insert 113
-#define Q_home 114
-#define Q_end 115
-#define Q_pageup 116
-#define Q_pagedown 117
-#define Q_f1 118
-#define Q_f2 119
-#define Q_f3 120
-#define Q_f4 121
-#define Q_f5 122
-#define Q_f6 123
-#define Q_f7 124
-#define Q_f8 125
-#define Q_f9 126
-#define Q_f10 127
-#define Q_f11 128
-#define Q_f12 129
-#define Q_f13 130
-#define Q_f14 131
-#define Q_f15 132
-#define Q_numlock 133
-#define Q_capslock 134
-#define Q_scrollock 135
-#define Q_rshift 136
-#define Q_lshift 137
-#define Q_rctrl 138
-#define Q_lctrl 139
-#define Q_ralt 140
-#define Q_lalt 141
-#define Q_rmeta 142
-#define Q_lmeta 143
-#define Q_lsuper 144
-#define Q_rsuper 145
-#define Q_mode 146
-#define Q_help 147
-#define Q_print 148
-#define Q_sysreq 149
-#define Q_break 150
-#define Q_menu 151
-#define Q_power 152
-#define Q_euro 153
-#define Q_compose 154
-#define Q_undo 155
-#define Q_shift 156
-#define Q_ctrl 157
-#define Q_alt 158
-#define Q_meta 159
-#define Q_numLock 160
-#define Q_editClick 161
-#define Q_gameClick 162
-#define Q_allowMouseWarp 163
-#define Q_middle 164
-#define Q_class 165
-#define Q_quiz 166
-#define Q_saveSolutions 167
-#define Q_solutionComment 168
-#define Q_solutionTimestamp 169
-#define Q_sqlFile 170
-#define Q_sqlInit 171
-#define Q_sqlExtensions 172
-#define Q_sqlMemStatus 173
-#define Q_sqlSmallAllocations 174
-#define Q_sqlCoveringIndexScan 175
-#define Q_sqlPowerSafe 176
-#define Q_level 177
-#define Q_tracePrefix 178
-#define Q_stackProtection 179
-#define Q_maxObjects 180
-#define Q_traceAll 181
+#define Q_backslash 61
+#define Q_rightbracket 62
+#define Q_caret 63
+#define Q_underscore 64
+#define Q_backquote 65
+#define Q_A 66
+#define Q_B 67
+#define Q_C 68
+#define Q_D 69
+#define Q_E 70
+#define Q_F 71
+#define Q_G 72
+#define Q_H 73
+#define Q_I 74
+#define Q_J 75
+#define Q_K 76
+#define Q_L 77
+#define Q_M 78
+#define Q_N 79
+#define Q_O 80
+#define Q_P 81
+#define Q_Q 82
+#define Q_R 83
+#define Q_S 84
+#define Q_T 85
+#define Q_U 86
+#define Q_V 87
+#define Q_W 88
+#define Q_X 89
+#define Q_Y 90
+#define Q_Z 91
+#define Q_delete 92
+#define Q_kp0 93
+#define Q_kp1 94
+#define Q_kp2 95
+#define Q_kp3 96
+#define Q_kp4 97
+#define Q_kp5 98
+#define Q_kp6 99
+#define Q_kp7 100
+#define Q_kp8 101
+#define Q_kp9 102
+#define Q_kp_period 103
+#define Q_kp_divide 104
+#define Q_kp_multiply 105
+#define Q_kp_minus 106
+#define Q_kp_plus 107
+#define Q_kp_enter 108
+#define Q_kp_equals 109
+#define Q_up 110
+#define Q_down 111
+#define Q_right 112
+#define Q_left 113
+#define Q_insert 114
+#define Q_home 115
+#define Q_end 116
+#define Q_pageup 117
+#define Q_pagedown 118
+#define Q_f1 119
+#define Q_f2 120
+#define Q_f3 121
+#define Q_f4 122
+#define Q_f5 123
+#define Q_f6 124
+#define Q_f7 125
+#define Q_f8 126
+#define Q_f9 127
+#define Q_f10 128
+#define Q_f11 129
+#define Q_f12 130
+#define Q_f13 131
+#define Q_f14 132
+#define Q_f15 133
+#define Q_numlock 134
+#define Q_capslock 135
+#define Q_scrollock 136
+#define Q_rshift 137
+#define Q_lshift 138
+#define Q_rctrl 139
+#define Q_lctrl 140
+#define Q_ralt 141
+#define Q_lalt 142
+#define Q_rmeta 143
+#define Q_lmeta 144
+#define Q_lsuper 145
+#define Q_rsuper 146
+#define Q_mode 147
+#define Q_help 148
+#define Q_print 149
+#define Q_sysreq 150
+#define Q_break 151
+#define Q_menu 152
+#define Q_power 153
+#define Q_euro 154
+#define Q_compose 155
+#define Q_undo 156
+#define Q_shift 157
+#define Q_ctrl 158
+#define Q_alt 159
+#define Q_meta 160
+#define Q_numLock 161
+#define Q_editClick 162
+#define Q_gameClick 163
+#define Q_allowMouseWarp 164
+#define Q_middle 165
+#define Q_class 166
+#define Q_quiz 167
+#define Q_saveSolutions 168
+#define Q_solutionComment 169
+#define Q_solutionTimestamp 170
+#define Q_sqlFile 171
+#define Q_sqlInit 172
+#define Q_sqlExtensions 173
+#define Q_sqlMemStatus 174
+#define Q_sqlSmallAllocations 175
+#define Q_sqlCoveringIndexScan 176
+#define Q_sqlPowerSafe 177
+#define Q_level 178
+#define Q_tracePrefix 179
+#define Q_stackProtection 180
+#define Q_maxObjects 181
+#define Q_traceAll 182
 static const char*const global_quarks[]={
   "screenWidth",
   "screenHeight",
   "margin",
   "palette",
@@ -236,10 +237,11 @@
   "equals",
   "greater",
   "question",
   "at",
   "leftbracket",
+  "backslash",
   "rightbracket",
   "caret",
   "underscore",
   "backquote",
   "A",
@@ -399,10 +401,11 @@
 SDLK_EQUALS,
 SDLK_GREATER,
 SDLK_QUESTION,
 SDLK_AT,
 SDLK_LEFTBRACKET,
+SDLK_BACKSLASH,
 SDLK_RIGHTBRACKET,
 SDLK_CARET,
 SDLK_UNDERSCORE,
 SDLK_BACKQUOTE,
 SDLK_a,