* binutils.texi: Add a chapter summarizing the ways to select

aspects of the target for each program.

	* objdump.c (long_options, usage): Add long equivalents for all
	remaining short options that lacked them.
	* binutils.texi objdump.1: Document them.

	* size.c (usage): Tweak usage message.
	* size.1: Add missing `=' in examples.

	* binutils.texi strip.1 objcopy.1 nlmconv.1 objcopy.c nlmconv.c:
	Use "--target=bfdname" as the option to select the BFD target,
	like nm and size already do.
	Reserve "--format=format" for textual output selection options, but
	for now keep old option names as obsolete for backward compatibility.

	* strings.c (main, strings_object_file, usage): Add --target option.
	* binutils.texi strings.1: Document it.

binutils/size.1

@@ -58,14 +58,14 @@ Using one of these options, you can choose whether the output from GNU
 .B \-A\c
 \|',
 or `\|\c
-.B \-\-format sysv\c
+.B \-\-format=sysv\c
 \|'), or Berkeley \c
 .B size\c
 \& (using `\|\c
 .B \-B\c
 \|', or
 `\|\c
-.B \-\-format berkeley\c
+.B \-\-format=berkeley\c
 \|').  The default is the one-line format similar to
 Berkeley's.