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fix: stringify \0 as \\x00 in some cases#210

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jordanbtucker merged 1 commit intojson5:masterfrom
jordanbtucker:stringify-null-escape
Oct 2, 2019
Merged

fix: stringify \0 as \\x00 in some cases#210
jordanbtucker merged 1 commit intojson5:masterfrom
jordanbtucker:stringify-null-escape

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The following is invalid JSON5 and ES5 because a digit cannot follow a
null character escape.

'\01'

However, JSON5 stringifies '\x001' as '\01' making it impossible to
round trip. This commit ensures that JSON5 stringifies null characters
as \x00 when followed by a digit.

The following is invalid JSON5 and ES5 because a digit cannot follow a
null character escape.

    '\01'

However, JSON5 stringifies `'\x001'` as `'\01'` making it impossible to
round trip. This commit ensures that JSON5 stringifies null characters
as `\x00` when followed by a digit.
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