bug#8859: 24.0.50; `display-current-display-table': wrap or pretty-print content

[Drew Adams]

The *Help* buffer content from `describe-display-table' should be
pretty-printed, or at least wrapped.  Here is an example (dunno how the
mail might wrap this, but the line here is 473 columns wide!

C-l             [10 (32 . 81) (32 . 81) (32 . 81) (32 . 81) (32 . 81) (32 . 81)
(32 . 81) (32 . 81) (32 . 81) (32 . 81) (83 . 81) (101 . 81) (99 . 81) (116 .
81) (105 . 81) (111 . 81) (110 . 81) (32 . 81) (40 . 81) (80 . 81) (114 . 81)
(105 . 81) (110 . 81) (116 . 81) (97 . 81) (98 . 81) (108 . 81) (101 . 81) (32 .
81) (80 . 81) (97 . 81) (103 . 81) (101 . 81) (41 . 81) (32 . 81) (32 . 81) (32
. 81) (32 . 81) (32 . 81) (32 . 81) (32 . 81) (32 . 81) (32 . 81) (32 . 81)]
 

In GNU Emacs 24.0.50.1 (i386-mingw-nt5.1.2600)
 of 2011-06-13 on 3249CTO
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.5) --no-opt --cflags
-Ic:/build/include'