FFIND enhancements

#1
1/ Report format
Option to have one line per match, including file name, line number, and
matching text. This option should provide vertical alignment of the 3 fields
by using the TAB character after the file name, and padding line number to
fixed width (defaulting to 6 digits).

2/ Enhanced /N option with the d, e, and j suboptions (as in COPY command).

3/ Mismatch option - report all lines that do not match.

4/ Trim option - trim leading and trailing whitespace in reported text.
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Steve