Updates since v1.7.3
--------------------
+ * The documentation Makefile now assumes by default asciidoc 8 and
+ docbook-xsl >= 1.73. If you have older versions, you can set
+ ASCIIDOC7 and ASCIIDOC_ROFF, respectively.
+
* The option parsers of various commands that create new branch (or
rename existing ones to a new name) were too loose and users were
allowed to call a branch with a name that begins with a dash by