···7980--merge-base=<tree-ish>::
81 Instead of finding the merge-bases for <branch1> and <branch2>,
82- specify a merge-base for the merge, and specifying multiple bases is
83- currently not supported. This option is incompatible with `--stdin`.
84+
85-As the merge-base is provided directly, <branch1> and <branch2> do not need
86-to specify commits; trees are enough.
0000008788-X<option>::
89--strategy-option=<option>::
···7980--merge-base=<tree-ish>::
81 Instead of finding the merge-bases for <branch1> and <branch2>,
82+ specify a merge-base for the merge. This option is incompatible with
83+ `--stdin`.
84+
85+Specifying multiple bases is currently not supported, which means that when
86+merging two branches with more than one merge-base, using this option may
87+cause merge results to differ from what `git merge` would compute. This
88+can include potentially losing some changes made on one side of the history
89+in the resulting merge.
90++
91+With this option, since the merge-base is provided directly, <branch1> and
92+<branch2> do not need to specify commits; trees are enough.
9394-X<option>::
95--strategy-option=<option>::