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Preserve literal plus signs when rendering mailto text #253

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495a602
Preserve literal plus signs when rendering mailto text
OskarEichler Aug 27, 2026
0d07ddb
test: cover URI regression
OskarEichler Aug 28, 2026
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10 changes: 5 additions & 5 deletions lib/uri/mailto.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -266,18 +266,18 @@ def to_s
# # => "To: ruby-list@ruby-lang.org\nSubject: subscribe\nCc: myaddr\n\n\n"
#
def to_mailtext
to = URI.decode_www_form_component(@to)
to = URI.decode_uri_component(@to)
head = ''
body = ''
@headers.each do |x|
case x[0]
when 'body'
body = URI.decode_www_form_component(x[1])
body = URI.decode_uri_component(x[1])
when 'to'
to << ', ' + URI.decode_www_form_component(x[1])
to << ', ' + URI.decode_uri_component(x[1])
else
head << URI.decode_www_form_component(x[0]).capitalize + ': ' +
URI.decode_www_form_component(x[1]) + "\n"
head << URI.decode_uri_component(x[0]).capitalize + ': ' +
URI.decode_uri_component(x[1]) + "\n"
end
end

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8 changes: 8 additions & 0 deletions test/uri/test_mailto.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,14 @@ def uri_to_ary(uri)
uri.class.component.collect {|c| uri.send(c)}
end


def test_to_mailtext_preserves_literal_plus
uri = URI.parse("mailto:a+b@example.test?subject=a+b&body=x+y")

assert_equal("To: a+b@example.test\nSubject: a+b\n\nx+y\n", uri.to_mailtext)
assert_equal(uri.to_mailtext, uri.to_rfc822text)
end

def test_build
ok = []
bad = []
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