hgbook: f8a2fe77908d en/undo-manual-merge.dot

hgbook

3 small typos

line source

1 digraph undo_manual {

2 "first change" -> "second change";

3 "second change" -> "third change";

4 backout [label="back out\nsecond change", shape=box];

5 "second change" -> backout;

6 "third change" -> "manual\nmerge";

7 backout -> "manual\nmerge";