* The Makefile rule to create assembly output (primarily for
debugging purposes) did not create it next to the source.
+ * The code to avoid mistaken attempt to add the object directory
+ itself as its own alternate could read beyond end of a string while
* On some architectures, "block-sha1" did not compile correctly
when compilers inferred alignment guarantees from our source we
* "git mergetool" did not support --tool-help option to give the list
of supported backends, like "git difftool" does.
+ * "git grep" stopped spawning an external "grep" long time ago, but a
+ duplicated test to check internal and external "grep" was left
Also contains minor typofixes and documentation updates.