FileHandle :: LinePosition - Positions the write cursor within the current line

The position (pos) is interpreted relatively 1. If the new position is located after the current write cursor position. Blanks are filled in up to the new position passed in pos. When passing a value greater than 0 in the min_forward parameter, the function ensures, that at least min_forward characters are skipped, even though this might exceed the requested position. The new position will never become less than the current position. Maximum column one may address is 65535 (unsigned int16).