code       = @{ (!tag_open ~ !tag_close ~ ANY)* }
comment    =  { ("#" | "//" | "///" | "<!--" | "-->" ) ~ WHITE_SPACE? }
tag_text   = @{ ASCII_ALPHANUMERIC | "{" | "}" | "%" | "`" |"\\" | "_" | "-" | "\"" | "="| "!" | "/" | WHITE_SPACE }
element_id =  { " id=\"" ~ (ASCII_ALPHANUMERIC | "_" | "-" )* ~ "\"" }
tag        =  { "<snip" ~ element_id ~ tag_text* ~  ">" ~ WHITE_SPACE?  }
tag_open   =  { comment ~ tag ~ WHITE_SPACE? ~ comment? } //  ~ NEWLINE
tag_close  = @{  comment? ~ "</snip>" ~ WHITE_SPACE?~ comment? }
snippet    =  { tag_open ~ code ~ (snippet ~ code)* ~ tag_close }
file       =  { SOI ~ code ~ (snippet ~ code)* ~ EOI }