%Boisik list for arrows chars.arrow_up_doublehead:=0; chars.arrow_down_doublehead:=1; chars.arrow_left_start:=2; chars.arrow_right_start:=3; chars.arrow_up_start:=4; chars.arrow_down_start:=5; chars.arrow_left_not_vert_double:=6; chars.arrow_right_not_vert_double:=7; chars.arrow_left_hook:=8; chars.arrow_right_hook:=9; chars.arrow_right_circle:=10; chars.arrow_NW_corner:=11; chars.arrow_SE_corner:=12; chars.arrow_NW_line_top:=13; chars.arrow_CR:=14; chars.arrow_LF:=15; chars.arrow_left_squiggly:=16; chars.arrow_double_NW:=17; chars.arrow_double_NE:=18; chars.arrow_double_SW:=19; chars.arrow_double_SE:=20; chars.arrow_up_bars:=21; chars.arrow_down_bars:=22; chars.arrow_up_down_bar_bot:=23; chars.arrow_left_stop:=24; chars.arrow_right_stop:=25; chars.arrow_left_wavy:=26; chars.arrow_right_wavy:=27; chars.arrow_left_right_wavy:=28; chars.math_contradiction:=29; chars.arrow_right_three:=30; chars.arrow_left_above_right_stop:=31; chars.arrow_left_dash:=32; chars.arrow_right_dash:=33; chars.arrow_up_dash:=34; chars.arrow_down_dash:=35; chars.arrow_double_up_white:=36; chars.arrow_double_down_white:=37; chars.arrow_double_up_white_bar:=38; chars.arrow_double_up_white_pedestal:=39; chars.arrow_double_up_white_pedestal_hbar:=40; chars.arrow_double_up_white_pedestal_vbar:=41; chars.arrow_double_up_white_doublehead:=42; chars.arrow_double_up_white_doublehead_pedestal:=43; chars.arrow_double_up_down_white:=44; chars.arrow_left_black:=45; chars.arrow_right_black:=46; chars.arrow_up_black:=47; chars.arrow_down_black:=48; chars.arrow_left_right_black:=49; chars.arrow_up_down_black:=50; chars.math_accumulate_downwards_upside=220; chars.math_accumulate_downwards:=221; chars.math_accumulate:=222; chars.math_accumulate_upside:=223; chars.arrow_double_left_bar:=224; chars.arrow_double_right_bar:=225; chars.arrow_double_left_white:=226; chars.arrow_double_right_white:=227; chars.arrow_double_left_white_round:=228; chars.arrow_double_right_white_round:=229; chars.arrow_open_loop_up_right:=230; chars.arrow_open_loop_down_left:=231; chars.arrow_left_down_curly:=232; chars.arrow_right_down_curly:=233; chars.arrow_open_loop_left_down:=234; chars.arrow_open_loop_right_up:=235; chars.arrow_NNE:=236; chars.arrow_SSE:=237; chars.arrow_NNW:=238; chars.arrow_SSW:=239; chars.arrow_curve_left_down:=240; chars.arrow_curve_right_down:=241; chars.arrow_curve_left_right_down:=242; chars.arrow_curve_left_up:=243; chars.arrow_curve_right_up:=244; chars.arrow_curve_left_right_up:=245; chars.arrow_left_right_bar:=246; chars.arrow_left_right_bar_top:=247; chars.arrow_down_tip_left:=248; chars.arrow_down_tip_right:=249; chars.arrow_left_triangle:=250; chars.arrow_right_triangle:=251; chars.arrow_left_right_triangle:=252; chars.arrow_left_triangle_white:=253; chars.arrow_right_triangle_white:=254; chars.arrow_left_right_triangle_white:=255;