(c)ElementTree can produce invalid XML

[jwilk]

BPO	7599
Nosy	@jwilk, @florentx
Superseder	bpo-5166: ElementTree and minidom don't prevent creation of not well-formed XML

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2010-02-16.13:50:26.082>
created_at = <Date 2009-12-30.14:01:34.116>
labels = ['type-bug', 'library']
title = '(c)ElementTree can produce invalid XML'
updated_at = <Date 2010-02-16.13:50:26.080>
user = 'https://github.com/jwilk'

bugs.python.org fields:

activity = <Date 2010-02-16.13:50:26.080>
actor = 'flox'
assignee = 'none'
closed = True
closed_date = <Date 2010-02-16.13:50:26.082>
closer = 'flox'
components = ['Library (Lib)']
creation = <Date 2009-12-30.14:01:34.116>
creator = 'jwilk'
dependencies = []
files = []
hgrepos = []
issue_num = 7599
keywords = []
message_count = 2.0
messages = ['97032', '99408']
nosy_count = 2.0
nosy_names = ['jwilk', 'flox']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = None
status = 'closed'
superseder = '5166'
type = 'behavior'
url = 'https://bugs.python.org/issue7599'
versions = ['Python 2.6', 'Python 2.5']

[jwilk]

$ cat buggy.py 
import sys
from xml.etree import ElementTree as et
root = et.Element('root')
root.text = u'\x07'
et.ElementTree(root).write(sys.stdout)

$ python buggy.py | xmllint -
-:1: parser error : PCDATA invalid Char value 7
<root></root>
      ^

[florentx]

Duplicate of bpo-5166.