[PATCH] Document style behavior in batch mode.

[Alan Hayward <Alan.Hayward@arm.com>]

Style is disabled when running in batch mode.

gdb/ChangeLog:

2019-02-21  Alan Hayward  <alan.hayward@arm.com>

	* NEWS: Update style defaults.

gdb/doc/ChangeLog:

2019-02-21  Alan Hayward  <alan.hayward@arm.com>

	* gdb.texinfo: Update style defaults.
---
 gdb/NEWS            | 2 +-
 gdb/doc/gdb.texinfo | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/gdb/NEWS b/gdb/NEWS
index eaef6aa384..8fe961b3f3 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -141,7 +141,7 @@ show tui tab-width NCHARS
 set style enabled [on|off]
 show style enabled
   Enable or disable terminal styling.  Styling is enabled by default
-  on most hosts.
+  on most hosts, but disabled by default when in batch mode.
 
 set style filename foreground COLOR
 set style filename background COLOR
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 173d18be6f..cea1476a9a 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -24514,8 +24514,9 @@ Show the current pagination mode.
 @kindex set style
 @kindex show style
 @value{GDBN} can style its output on a capable terminal.  This is
-enabled by default on most systems.  Various style settings are
-available; and styles can also be disabled entirely.
+enabled by default on most systems, but disabled by default when in
+batch mode.  Various style settings are available; and styles can
+also be disabled entirely.
 
 @table @code
 @item set style enabled @samp{on|off}
-- 
2.17.2 (Apple Git-113)