richedit: Simplified the character length delete protection.
The value for nMaxChars can be found easier by using ME_GetTextLength.
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@ -273,14 +273,8 @@ BOOL ME_InternalDeleteText(ME_TextEditor *editor, int nOfs, int nChars,
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int totalChars = nChars;
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ME_DisplayItem *start_para;
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{
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/* Prevent deletion past last end of paragraph run. */
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ME_DisplayItem *pTextEnd = editor->pBuffer->pLast;
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int nMaxChars = pTextEnd->member.para.prev_para->member.para.nCharOfs;
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nMaxChars += ME_FindItemBack(pTextEnd, diRun)->member.run.nCharOfs;
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nMaxChars -= nOfs;
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nChars = min(nChars, nMaxChars);
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}
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/* Prevent deletion past last end of paragraph run. */
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nChars = min(nChars, ME_GetTextLength(editor) - nOfs);
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ME_CursorFromCharOfs(editor, nOfs, &c);
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start_para = ME_GetParagraph(c.pRun);
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