(from "ubuntu")
(env "name" "value" "")
(env "name" "value" "=")
(env "name" "value" "=" "name2" "value2" "=")
(env "name" "\"value value1\"" "=")
(env "name" "value\\ value2" "=")
(env "name" "\"value'quote space'value2\"" "=")
(env "name" "'value\"double quote\"value2'" "=")
(env "name" "value\\ value2" "=" "name2" "value2\\ value3" "=")
(env "name" "\"a\\\"b\"" "=")
(env "name" "\"a\\'b\"" "=")
(env "name" "'a\\'b'" "=")
(env "name" "'a\\'b''" "=")
(env "name" "'a\\\"b'" "=")
(env "name" "\"''\"" "=")
(env "name" "value" "=" "name1" "value1" "=" "name2" "\"value2a            value2b\"" "=" "name3" "\"value3a\\n\\\"value3b\\\"\"" "=" "name4" "\"value4a\\\\nvalue4b\"" "=")
