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Explain why \0 escaping is bad.

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Martin v. Löwis 2009-04-30 15:56:46 +00:00
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pep-0383.txt
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@ -149,6 +149,14 @@ A few alternative approaches have been proposed:
* use different escape schemes, such as escaping with a NUL * use different escape schemes, such as escaping with a NUL
character, or mapping to infrequent characters. character, or mapping to infrequent characters.
Of these proposals, the approach of escaping each byte XX
with the sequence U+0000 U+00XX has the disadvantage that
encoding to UTF-8 will introduce a NUL byte in the UTF-8
sequence. As a consequence, C libraries may interpret this
as a string termination, even though the string continues.
In particular, the gtk libraries will truncate text in this
case; other libraries may show similar problems.
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