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recho """"a
recho a""""
recho """"
recho """"b
recho b""""
recho """"""c
recho c""""""
recho """"""c""""
recho """"c""""""
recho """"""""c
recho c""""""""
# BASH BUG: spurious DEL characters appear on empty variable interpolation.
# BASH 4.2.8(1)-release
a=''
recho correct "$a" # correct empty output line
recho correct "$a""$a" # correct empty output line
recho correct "$a""$a""$a" # correct empty output line
recho XwrongX "$a""$a""$a""$a" # spurious two DEL chars appear at line end
recho correct a"$a" # correct single "a" on line
recho XwrongX a"$a""$a" # spurious DEL char appears at line end
recho correct a"$a$a" # correct single "a" on line
recho correct a"$a$a$a$a" # correct single "a" on line
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