(Files): Fix the name and documentation of

	(Files): Fix the name and documentation of
	add-shared-symbol-files.  Document its alias assf.  Update the
	list of OSs where GDB supports shared libraries.  Fix markup.
	(Continuing and Stepping): Add reference to @var{location} in the
	text.
	(Dump/Restore Files): Fix reference to @{filename}.
	(Help): Fix wording.
	(Attach): Ditto.
	(Set Watchpoints): Ditto.
	(Backtrace): Remove redundant index entries.  Improve index
	entries.
	(Delete Breaks): Fix wording.
	(Memory): Document the compare-sections command.
	(Memory Region Attributes): Improve wording.
	(Disabling): Improve wording.
	(Fortran): New subsection.  Document the "info common" command.
	(Help): Document aliases "info copying" and "info warranty".
	(Caching Remote Data): New section.  Document the "set/show
	remotecache" and "info dcache" commands.
	(Show): Fix wording of the documentation of the "set
	extension-language" command.
	(Signals): Add index entry for "info handle".
	(Memory Region Attributes): Fix punctuation.
	(Symbols): Change the arg name to "location" and refer to it in
	the text.  Fix wording of "info types" doc.
	(Threads): Fix usage of @enumerate @item's.
	(Listing Tracepoints): Add index entry for "info tp".
	(Set Watchpoints): Add xref to "info break" description.
	(Macros): Add an index entry for "macro exp1".  Document the
	"macro list" command.
	(Maintenance Commands): Document "flushregs", "maint agent",
	"maint check-symtabs", "maint cplus", "maint demangle", "maint
	deprecate", "maint undeprecate", "maint dump-me", "maint packet",
	"maint print architecture", "maint print objfiles", "maint print
	statistics", "maint print type", "maint show-debug-regs", "maint
	space", "maint time", and "maint translate-address".
	(Connecting): Document the "monitor" command.
	(Annotations Overview): Describe the "set annotate" command.