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 MLCTOPOS()
 Return the byte position of a formatted string based on line and column
 position
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 Syntax

     MLCTOPOS(<cText>, <nWidth>, <nLine>,
        <nCol>, [<nTabSize>], [<lWrap>]) --> nPosition

 Arguments

     <cText> is the text string to be scanned.

     <nWidth> is the line length formatting width.

     <nLine> is the line number counting from 1.

     <nCol> is the column number counting from 0.

     <nTabSize> is the number of columns between tab stops.  If not
     specified, the default is 4.

     <lWrap> is the word wrap flag.  If not specified, the default is
      true (.T.).

 Returns

     MLCTOPOS() returns the byte position within <cText> counting from 1.

 Description

     MLCTOPOS() is a memo function that determines the byte position that
     corresponds to a particular line and column within the formatted text.
     Note that the line number is one-relative and the column number is
     zero-relative.  This is compatible with MEMOEDIT().  The return value is
     one-relative, making it suitable for use in SUBSTR() or other string
     functions.

     MLCTOPOS() is used with MPOSTOLC() to create search routines or other
     text processing for MEMOEDIT().  Refer to the source code for the
     program editor (PE.EXE) found in the \CLIP53\SOURCE\PE directory.

 Examples

     .  This example determines the byte position of line 5, column 3
        in the cText string:

        cText := "Note the side on which the bread ;
                    is buttered."
        //
        ? MLCTOPOS(cText, 5, 3, 0)         // Result: 10

 Files   Library is CLIPPER.LIB.