<sic>

<sic> (latin for thus or so) 明らかに間違い,不正確ではあるが,そのまま収録してあるテキスト. 3.4.1 Apparent Errors
モジュール core — 3 Elements Available in All TEI Documents
当該モジュールを使用するもの
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宣言

<rng:element name="sic">
 <rng:ref name="att.global.attributes"/>
 <rng:ref name="macro.paraContent"/>
</rng:element>
element sic { att.global.attributes, macro.paraContent }
for his nose was as sharp as
a pen, and <sic>a Table</sic> of green fields.

If all that is desired is to call attention to the apparent problem in the copy text, sic may be used alone:

I don't know, Juan. It's so far in the past now
— how <sic>we can</sic> prove or disprove anyone's theories?

It is also possible, using the choice and corr elements, to provide a corrected reading:

I don't know, Juan. It's so far in the past now
— how <choice>
 <sic>we can</sic>
 <corr>can we</corr>
</choice> prove or disprove anyone's theories?
for his nose was as sharp as
a pen, and <choice>
 <sic>a Table</sic>
 <corr>a' babbld</corr>
</choice> of green fields.