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#
# Regular Definitions
#
rl rl_ws /[.+ \t\n\r\v]+/
rl rl_id /[a-zA-Z_][a-zA-Z0-9_]*/

#
# Tokens
#

lex
	literal `= `< `> `/

	# Ignore whitespace.
	ignore /rl_ws/

	# Open and close id
	token id /rl_id/
end

#
# Productions
#

def attr [id `= id]

def attr_list 
	[attr_list attr]
|	[]

def open_tag 
	[`< id attr_list `>]

def close_tag
	[`< `/ id `>]

def tag 
	[open_tag item_list close_tag]

def item_list 
	[item_list tag]
|	[]

parse Attrs: attr_list[ stdin ]

print( Attrs )

construct IL: item_list 
	["<wrapper .[Attrs]. ></wrapper>\n"]

print( IL  )
##### IN #####
+ foo = asdf +
##### EXP #####
+ foo = asdf +
<wrapper .+ foo = asdf +
. ></wrapper>