ASCII characters except space (i.e., the byte range 32 < x < 127), and
are typically of the form "package/version" (e.g., "git/1.8.3.1"). The
agent strings are purely informative for statistics and debugging
-purposes, and MUST NOT be used to programatically assume the presence
+purposes, and MUST NOT be used to programmatically assume the presence
or absence of particular features.
shallow