A conflict occurs if both file1 and file3 have changes in a common segment of lines. If a conflict is found, merge normally outputs a warning and brackets the conflict with <<<<<<< and >>>>>>> lines. A typical conflict will look like this:

<<<<<<< file A
lines in file A
=======
lines in file B
>>>>>>> file B

If there are conflicts, the user should edit the result and delete one of the alternatives.  

-A

Output conflicts using the -A style of diff3(1), if supported by diff3. This merges all changes leading from file2 to file3 into file1, and generates the most verbose output.

-E, -e

These options specify conflict styles that generate less information than -A. See diff3(1) for details. The default is -E. With -e, merge does not warn about conflicts.

-L label

This option may be given up to three times, and specifies labels to be used in place of the corresponding file names in conflict reports. That is, merge -L x -L y -L z a b c generates output that looks like it came from files x, y and z instead of from files a, b and c.

-p

Send results to standard output instead of overwriting file1.

-q

Quiet; do not warn about conflicts. -V Print 's version number.

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