This thread is dead, but It'd be nice if somebody could upload a new copy of .map file. The link is broken.
I've already gotten used to weird mapping except having to press alt to get slash...
[edit]
I've created a new map for my 720 that works with loadkeys
Numlock and Capslock don't seem to work, but I fixed some mixed keys for my j720 keyboard.
I fixed numpad bindings, but it's not going to work unless I fix numlock.
I also put Insert under windows key, pageup and pagedown as + and - and scrolllock as play button.
I paste it here, because external links always go 404 after some time

Code:
keymaps 0-2,4-5,8,12
keycode 1 = Escape Escape
alt keycode 1 = Meta_Escape
keycode 2 = one exclam
alt keycode 2 = Meta_one
altgr keycode 2 = asciitilde
keycode 3 = two at at nul nul Meta_two
altgr keycode 3 = grave
keycode 4 = three numbersign
control keycode 4 = Escape
alt keycode 4 = Meta_three
altgr keycode 4 = pound
keycode 5 = four dollar dollar Control_backslash
alt keycode 5 = Meta_four
altgr keycode 5 = currency
keycode 6 = five percent
control keycode 6 = Control_bracketright
alt keycode 6 = Meta_five
keycode 7 = six asciicircum
control keycode 7 = Control_asciicircum
alt keycode 7 = Meta_six
keycode 8 = seven ampersand braceleft Control_underscore
alt keycode 8 = Meta_seven
altgr keycode 8 = KP_7
keycode 9 = eight asterisk bracketleft Delete
alt keycode 9 = Meta_eight
altgr keycode 9 = KP_8
keycode 10 = nine parenleft bracketright
alt keycode 10 = Meta_nine
altgr keycode 10 = KP_9
keycode 11 = zero parenright braceright
alt keycode 11 = Meta_zero
altgr keycode 11 = KP_Divide
keycode 12 = minus underscore backslash Control_underscore Control_underscore Meta_minus
keycode 13 = equal plus
alt keycode 13 = Meta_equal
keycode 14 = Delete Delete
control keycode 14 = BackSpace
alt keycode 14 = Meta_Delete
keycode 15 = Tab Tab
alt keycode 15 = Meta_Tab
keycode 16 = q
keycode 17 = w
keycode 18 = +e +E Hex_E Control_e Control_e Meta_e Meta_Control_e
keycode 19 = r
keycode 20 = t
keycode 21 = y
altgr keycode 22 = KP_4
keycode 22 = u
altgr keycode 23 = KP_5
keycode 23 = i
altgr keycode 24 = KP_6
keycode 24 = o
altgr keycode 25 = KP_Multiply
keycode 25 = p
### altgr keycode 25 = braceleft
keycode 26 = bracketright braceright
keycode 27 = backslash bar
control keycode 43 = Control_backslash
alt keycode 43 = Meta_backslash
keycode 28 = Return
alt keycode 28 = Meta_Control_m
keycode 29 = Control
altgr keycode 29 = Num_Lock
keycode 30 = +a +A Hex_A Control_a Control_a Meta_a Meta_Control_a
keycode 31 = s
keycode 32 = +d +D Hex_D Control_d Control_d Meta_d Meta_Control_d
keycode 33 = +f +F Hex_F Control_f Control_f Meta_f Meta_Control_f
keycode 34 = g
keycode 35 = h
altgr keycode 36 = KP_1
keycode 36 = j
altgr keycode 37 = KP_2
keycode 37 = k
altgr keycode 38 = KP_3
keycode 38 = l
altgr keycode 39 = KP_Subtract
keycode 39 = semicolon colon
alt keycode 39 = Meta_semicolon
### altgr keycode 39 = bracketleft
keycode 40 = apostrophe quotedbl
control keycode 40 = Control_g
alt keycode 40 = Meta_apostrophe
### altgr keycode 40 = bracketright
keycode 41 = grave asciitilde
### control keycode 41 = nul
### alt keycode 41 = nul
keycode 42 = Shift
altgr keycode 42 = Caps_Lock
keycode 43 = bracketleft braceleft
### altgr keycode 43 = braceright
keycode 44 = z
keycode 45 = x
keycode 46 = +c +C Hex_C Control_c Control_c Meta_c Meta_Control_c
keycode 47 = v
keycode 48 = +b +B Hex_B Control_b Control_b Meta_b Meta_Control_b
keycode 49 = n
altgr keycode 50 = KP_0
keycode 50 = m
altgr keycode 51 = KP_Comma
keycode 51 = comma less
alt keycode 51 = Meta_comma
altgr keycode 52 = KP_Period
keycode 52 = period greater
control keycode 52 = Compose
alt keycode 52 = Meta_period
##? altgr keycode 52 = KP_Add
keycode 53 = AltGr
control keycode 53 = nul
alt keycode 53 = nul
keycode 54 = Shift
keycode 55 = Insert # winkey
keycode 56 = Alt
keycode 57 = space space
control keycode 57 = nul
alt keycode 57 = Meta_space
keycode 59 = F1
shift keycode 59 = F11
altgr keycode 59 = Console_13
shift control keycode 59 = VoidSymbol
alt keycode 59 = Console_1
control alt keycode 59 = Console_1
keycode 60 = F2
shift keycode 60 = F12
altgr keycode 60 = Console_14
shift control keycode 60 = VoidSymbol
alt keycode 60 = Console_2
control alt keycode 60 = Console_2
keycode 61 = F3
shift keycode 61 = F13
altgr keycode 61 = Console_15
shift control keycode 61 = VoidSymbol
alt keycode 61 = Console_3
control alt keycode 61 = Console_3
keycode 62 = F4
shift keycode 62 = F14
altgr keycode 62 = Console_16
shift control keycode 62 = VoidSymbol
alt keycode 62 = Console_4
control alt keycode 62 = Console_4
keycode 63 = F5
shift keycode 63 = F15
altgr keycode 63 = Console_17
shift control keycode 63 = VoidSymbol
alt keycode 63 = Console_5
control alt keycode 63 = Console_5
keycode 64 = F6
shift keycode 64 = F16
altgr keycode 64 = Console_18
shift control keycode 64 = VoidSymbol
alt keycode 64 = Console_6
control alt keycode 64 = Console_6
keycode 65 = F7
shift keycode 65 = F17
altgr keycode 65 = Console_19
shift control keycode 65 = VoidSymbol
alt keycode 65 = Console_7
control alt keycode 65 = Console_7
keycode 66 = F8
shift keycode 66 = F18
altgr keycode 66 = Console_20
shift control keycode 66 = VoidSymbol
alt keycode 66 = Console_8
control alt keycode 66 = Console_8
keycode 67 = F9
shift keycode 67 = F19
altgr keycode 67 = Console_21
shift control keycode 67 = VoidSymbol
alt keycode 67 = Console_9
control alt keycode 67 = Console_9
keycode 68 = F10
shift keycode 68 = F20
altgr keycode 68 = Console_22
shift control keycode 68 = VoidSymbol
alt keycode 68 = Console_10
control alt keycode 68 = Console_10
keycode 74 = slash question
altgr keycode 74 = KP_Add
keycode 87 = F11
altgr keycode 87 = Console_23
shift control keycode 87 = VoidSymbol
alt keycode 87 = Console_11
control alt keycode 87 = Console_11
keycode 103 = Up
alt keycode 103 = PageUp #Prior
keycode 105 = Left
alt keycode 105 = Home #Find
altgr keycode 105 = Decr_Console
keycode 106 = Right
alt keycode 106 = End #Select
altgr keycode 106 = Incr_Console
keycode 108 = Down
alt keycode 108 = PageDown #Next
keycode 111 = Remove
control alt keycode 111 = Boot
keycode 113 = Scroll_Lock#F13 # audio_play
keycode 114 = PageDown #F14 # audio_minus
keycode 115 = PageUp #Help # audio_plus
keycode 116 = Do # on/off
string F1 = "\033[[A"
string F2 = "\033[[B"
string F3 = "\033[[C"
string F4 = "\033[[D"
string F5 = "\033[[E"
string F6 = "\033[17~"
string F7 = "\033[18~"
string F8 = "\033[19~"
string F9 = "\033[20~"
string F10 = "\033[21~"
string F11 = "\033[23~"
string F12 = "\033[24~"
string F13 = "\033[25~"
string F14 = "\033[26~"
string F15 = "\033[28~"
string F16 = "\033[29~"
string F17 = "\033[31~"
string F18 = "\033[32~"
string F19 = "\033[33~"
string F20 = "\033[34~"
string Find = "\033[1~"
string Insert = "\033[2~"
string Remove = "\033[3~"
string Select = "\033[4~"
string Prior = "\033[5~"
string Next = "\033[6~"
string Macro = "\033[M"
string Pause = "\033[P"
compose '`' 'A' to 'À'
compose '`' 'a' to 'à'
compose '\'' 'A' to 'Á'
compose '\'' 'a' to 'á'
compose '^' 'A' to 'Â'
compose '^' 'a' to 'â'
compose '~' 'A' to 'Ã'
compose '~' 'a' to 'ã'
compose '"' 'A' to 'Ä'
compose '"' 'a' to 'ä'
compose 'O' 'A' to 'Å'
compose 'o' 'a' to 'å'
compose '0' 'A' to 'Å'
compose '0' 'a' to 'å'
compose 'A' 'A' to 'Å'
compose 'a' 'a' to 'å'
compose 'A' 'E' to 'Æ'
compose 'a' 'e' to 'æ'
compose ',' 'C' to 'Ç'
compose ',' 'c' to 'ç'
compose '`' 'E' to 'È'
compose '`' 'e' to 'è'
compose '\'' 'E' to 'É'
compose '\'' 'e' to 'é'
compose '^' 'E' to 'Ê'
compose '^' 'e' to 'ê'
compose '"' 'E' to 'Ë'
compose '"' 'e' to 'ë'
compose '`' 'I' to 'Ì'
compose '`' 'i' to 'ì'
compose '\'' 'I' to 'Í'
compose '\'' 'i' to 'í'
compose '^' 'I' to 'Î'
compose '^' 'i' to 'î'
compose '"' 'I' to 'Ï'
compose '"' 'i' to 'ï'
compose '-' 'D' to 'Ð'
compose '-' 'd' to 'ð'
compose '~' 'N' to 'Ñ'
compose '~' 'n' to 'ñ'
compose '`' 'O' to 'Ò'
compose '`' 'o' to 'ò'
compose '\'' 'O' to 'Ó'
compose '\'' 'o' to 'ó'
compose '^' 'O' to 'Ô'
compose '^' 'o' to 'ô'
compose '~' 'O' to 'Õ'
compose '~' 'o' to 'õ'
compose '"' 'O' to 'Ö'
compose '"' 'o' to 'ö'
compose '/' 'O' to 'Ø'
compose '/' 'o' to 'ø'
compose '`' 'U' to 'Ù'
compose '`' 'u' to 'ù'
compose '\'' 'U' to 'Ú'
compose '\'' 'u' to 'ú'
compose '^' 'U' to 'Û'
compose '^' 'u' to 'û'
compose '"' 'U' to 'Ü'
compose '"' 'u' to 'ü'
compose '\'' 'Y' to 'Ý'
compose '\'' 'y' to 'ý'
compose 'T' 'H' to 'Þ'
compose 't' 'h' to 'þ'
compose 's' 's' to 'ß'
compose '"' 'y' to 'ÿ'
compose 's' 'z' to 'ß'
compose 'i' 'j' to 'ÿ'