The default output printed by “git log” is purely a summary; it is
missing a lot of detail.
-Figure [2.1][8] provides a graphical representation of the history of
-the hello repository, to make it a little easier to see which
-direction history is “flowing” in. We’ll be returning to this figure
-several times in this chapter and the chapter that follows.
-
-* * *
-
-![PIC][9]
-
-Figure 2.1:
-Graphical history of the hello repository
-
-* * *
-
#### 2.4.1 Commits, revisions, and talking to other people
As English is a notoriously sloppy language, and computer science has