WikiText Error

Context:
- It can range from being an Orthographic WikiText Error, to being a Grammatical WikiText Error, to being an WikiText Parser Error.
- It can range from being a Character-Level Text Error, to being a Word-Level Text Error, to being a Sentence-Level Text Error, to being a Context-Level Text Error.
- It can range from being a Simple WikiText Error to being a Complex WikiText Error.
- It can range from being an Extra-Character WikiText Error to being a Missing-Character WikiText Error (to being a Character Substitution WikiText Error).
- It can be detected by a WikiText Error Detection System (that solves a WikiText error detection task).
- It can be corrected by a WikiText Error Correction System (that solves a text error correction task).
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Example(s):
- an Character-Level WikiText Text Error such as:
  - a Typographical WikiText Error: “Fat-finger errors are a prodcut of the electronic processing.” (swapped character).
  - a Orthographic WikiText Error: “Th_ere is tw\no orthographic WikiText errors.”.
- a Word-Level WikiText Error such as: a Spelling WikiText Error,
- a Sentence-Level WikiText Error such as:
  - a Grammatical WikiText Error, such as: “There is two grammatical error.”.
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Counter-Example(s):
- an HTML Error, such as &nsbp <IMAG SCR=htpt:/www...> (instead of   <IMG SRC=http://www. ...>.
See: WikiText Error Generation, SDOI Project, WikiFixer, Error Analysis, Syntax Analysis, WikiText Parser Error.