Given an offset finds the offsets of the beginning and end of a word.
Use this function to find start offset and end offset (all offsets from the beginning of the text) of the current word. The "word" is a set of characters surrounded by delimiters defined by m_strWordDelimiters. 
- Parameters
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    | nCaretOffset | Specifies the current caret offset. | 
    | nStartOffset | Out parameter. When the function returns will contain the start offset of the word. | 
    | nEndOffset | Out parameter. When the function returns will contain the end offset of the word. | 
    | bSkipSpaces | Not used. | 
    | strBuffer | A reference to the text buffer to be searched for the word. |