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Comment: Edited by sciSpider (sch jbop) (X_X)@==(Q_Q)@

...

All occurrences in a source file of the following sequences of three characters (that is, trigraph sequences) are replaced with the corresponding single character.

??=

#

 

??)

]

 

??!

|

<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="ae8042ae90d3aa00-973b7c38-4edd4e91-a33eaf91-d0e123bad498b0ff49bb834e"><ac:plain-text-body><![CDATA[

??(

[

 

??'

^

 

??>

}

]]></ac:plain-text-body></ac:structured-macro>

??/

\

 

??<

{

 

??-

~

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Recommendation

Severity

Likelihood

Remediation Cost

Priority

Level

PRE07-A

1 ( low ) 1 (

unlikely )

2 ( medium )

P2

L3

Automated Detection

GCC provides a -Wtrigraphs option that warns when trigraphs are used. GCC also provides a --no-trigraph option that is enabled by default.

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