user-manual: revise birdseye-view chapter

diff --git a/commit.c b/commit.c
index 7d78e786e9a6a6a3566cb7aa6555a815d79f9e4b..43b767ce5342624f98603e83ba3ec263ea8a7dda 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -1057,6 +1057,7 @@ unsigned long pretty_print_commit(enum cmit_fmt fmt,
                        int sz;
                        char header[512];
                        const char *header_fmt =
+                               "MIME-Version: 1.0\n"
                                "Content-Type: text/plain; charset=%s\n"
                                "Content-Transfer-Encoding: 8bit\n";
                        sz = snprintf(header, sizeof(header), header_fmt,