//! Latex Parser
item       = _{ SOI ~ line* ~ EOI }
line       = _{ para | text | string | other }
other      = ${ ANY }
WHITESPACE = @{ " " | "\t" | NEWLINE }

/// Other text
text = @{ (!para ~ ANY)+ }

/// String
string         = ${ "{" ~ fn_name* ~ (string_bracket | inner_string) ~ "}" }
string_bracket = ${ "(" ~ string ~ ")" }
inner_string   = @{ (!("}" | ")") ~ ANY)* }

/// Paragraph
para = ${ function | comment }

/// Function
fn_name  = @{ "\\" ~ ASCII_ALPHA+ ~ ("[" ~ " "* ~ "]")* ~ " "* }
function = ${ fn_name ~ (function | string) }

comment = @{ "%" ~ (!NEWLINE ~ ANY)+ }