[binutils-gdb] Improve "backtrace" help text

[Tom Tromey <tromey at sourceware dot org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9507b29c0a00fb62f015fe69f82aaf8f5377ab35

commit 9507b29c0a00fb62f015fe69f82aaf8f5377ab35
Author: Tom Tromey <tom@tromey.com>
Date:   Fri Mar 23 10:29:28 2018 -0600

    Improve "backtrace" help text
    
    This improves help text in stack.c in two ways.  First, it removes
    trailing newlines from various help strings.  I think these are never
    needed.  Second, it adds a "Usage" line to the "backtrace" text, as
    suggested by Pedro.
    
    gdb/ChangeLog
    2018-03-26  Tom Tromey  <tom@tromey.com>
    
    	* stack.c (_initialize_stack): Remove trailing newlines from help
    	text.  Add "Usage" line to "backtrace" help.

Diff:
---
 gdb/ChangeLog |  5 +++++
 gdb/stack.c   | 13 +++++++------
 2 files changed, 12 insertions(+), 6 deletions(-)

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 05f0c2d..7699437 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2018-03-26  Tom Tromey  <tom@tromey.com>
 
+	* stack.c (_initialize_stack): Remove trailing newlines from help
+	text.  Add "Usage" line to "backtrace" help.
+
+2018-03-26  Tom Tromey  <tom@tromey.com>
+
 	PR python/16486:
 	* python/py-framefilter.c (py_print_args): Call wrap_hint.
 
diff --git a/gdb/stack.c b/gdb/stack.c
index 16f7931..427b182 100644
--- a/gdb/stack.c
+++ b/gdb/stack.c
@@ -2554,22 +2554,23 @@ This is useful in command scripts."));
 Select and print a stack frame.\nWith no argument, \
 print the selected stack frame.  (See also \"info frame\").\n\
 An argument specifies the frame to select.\n\
-It can be a stack frame number or the address of the frame.\n"));
+It can be a stack frame number or the address of the frame."));
 
   add_com_alias ("f", "frame", class_stack, 1);
 
   add_com_suppress_notification ("select-frame", class_stack, select_frame_command, _("\
 Select a stack frame without printing anything.\n\
 An argument specifies the frame to select.\n\
-It can be a stack frame number or the address of the frame.\n"),
+It can be a stack frame number or the address of the frame."),
 		 &cli_suppress_notification.user_selected_context);
 
   add_com ("backtrace", class_stack, backtrace_command, _("\
 Print backtrace of all stack frames, or innermost COUNT frames.\n\
-With a negative argument, print outermost -COUNT frames.\nUse of the \
-'full' qualifier also prints the values of the local variables.\n\
+Usage: backtrace [QUALIFIERS]... [COUNT]\n\
+With a negative argument, print outermost -COUNT frames.\n\
+Use of the 'full' qualifier also prints the values of the local variables.\n\
 Use of the 'no-filters' qualifier prohibits frame filters from executing\n\
-on this backtrace.\n"));
+on this backtrace."));
   add_com_alias ("bt", "backtrace", class_stack, 0);
 
   add_com_alias ("where", "backtrace", class_alias, 0);
@@ -2587,7 +2588,7 @@ on this backtrace.\n"));
   if (dbx_commands)
     add_com ("func", class_stack, func_command, _("\
 Select the stack frame that contains <func>.\n\
-Usage: func <name>\n"));
+Usage: func <name>"));
 
   add_setshow_enum_cmd ("frame-arguments", class_stack,
 			print_frame_arguments_choices, &print_frame_arguments,