A second keyboard layer for programming I am trying to learn to use

AHK second keyboard layer

#NoEnv
#UseHook

RAlt::BS

; Add fake alt
CapsLock::LAlt
; Detect alt
$LAlt:: isAltDown := TRUE
$LAlt UP:: isAltDown := FALSE

#if isAltDown
; LAlt + jkli (left, down, up, right)
l::Right
j::Left
i::Up
k::Down

; LAlt + uo (home, end)
u::Home
o::End

; LAlt + sxdcfvgb ([, ], (, ), {, }, <, >)
s::Send {[}
x::Send {]}
d::Send {(}
c::Send {)}
f::Send {{}
v::Send {}}
g::Send {<}
b::Send {>}

; LAlt + qwertyhn (&, |, -, +, @, *, /, /) 
q::Send {&}
w::Send {|}
e::Send {-}
r::Send {+}
t::Send {@}
y::Send {*}
h::Send {/}
n::Send {\}

; LAlt + az (=, !)
a::Send {=}
z::Send {!}

; LAlt + <> (Ctrl + z, ctrl + y)
,::^z
.::^y

; LAlt + p; (Ctrl + c, ctrl + v)
p::^c
`;::^v

; Delete
RAlt::Delete

; Escape
$Space::Escape