[RFA 04/12] Update memattr.c help strings

[Tom Tromey <tom@tromey.com>]

This changes memattr.c to use the GNU style for help strings.

2018-04-29  Tom Tromey  <tom@tromey.com>

	* memattr.c (_initialize_mem): Update help string.
---
 gdb/ChangeLog |  4 ++++
 gdb/memattr.c | 14 +++++++-------
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/gdb/memattr.c b/gdb/memattr.c
index 8dad38b039..328a63a19d 100644
--- a/gdb/memattr.c
+++ b/gdb/memattr.c
@@ -603,27 +603,27 @@ _initialize_mem (void)
 Define attributes for memory region or reset memory region handling to\n\
 target-based.\n\
 Usage: mem auto\n\
-       mem <lo addr> <hi addr> [<mode> <width> <cache>],\n\
-where <mode>  may be rw (read/write), ro (read-only) or wo (write-only),\n\
-      <width> may be 8, 16, 32, or 64, and\n\
-      <cache> may be cache or nocache"));
+       mem LOW HIGH [MODE WIDTH CACHE],\n\
+where MODE  may be rw (read/write), ro (read-only) or wo (write-only),\n\
+      WIDTH may be 8, 16, 32, or 64, and\n\
+      CACHE may be cache or nocache"));
 
   add_cmd ("mem", class_vars, enable_mem_command, _("\
 Enable memory region.\n\
 Arguments are the code numbers of the memory regions to enable.\n\
-Usage: enable mem <code number>...\n\
+Usage: enable mem [CODE]...\n\
 Do \"info mem\" to see current list of code numbers."), &enablelist);
 
   add_cmd ("mem", class_vars, disable_mem_command, _("\
 Disable memory region.\n\
 Arguments are the code numbers of the memory regions to disable.\n\
-Usage: disable mem <code number>...\n\
+Usage: disable mem [CODE]...\n\
 Do \"info mem\" to see current list of code numbers."), &disablelist);
 
   add_cmd ("mem", class_vars, delete_mem_command, _("\
 Delete memory region.\n\
 Arguments are the code numbers of the memory regions to delete.\n\
-Usage: delete mem <code number>...\n\
+Usage: delete mem [CODE]...\n\
 Do \"info mem\" to see current list of code numbers."), &deletelist);
 
   add_info ("mem", info_mem_command,
-- 
2.13.6