Fix some documentation formatting nits

* doc/misc/ert.texi (Running Tests Interactively): Correct
Elisp manual titile in xref.
* doc/lispref/edebug.texi (Edebug Misc): Use single argument
form of xref.
* doc/lispref/debugging.texi (Backtraces): Add comma and
period after xref braces.
(Backtraces): Correct Emacs manual title.
(Internals of Debugger): Add a space before period.

1 files changed, 1 insertions, 1 deletions

diff --git a/doc/misc/ert.texi b/doc/misc/ert.texi
index e2aeeb1353a..6a34f5c5722 100644
--- a/doc/misc/ert.texi
+++ b/doc/misc/ert.texi
@@ -276,7 +276,7 @@ Pressing @kbd{r} re-runs the test near point on its own.  Pressing
 definition of the test near point (@kbd{@key{RET}} has the same effect
 if point is on the name of the test).  On a failed test, @kbd{b} shows
 the backtrace of the failure.  @xref{Debugging,, Backtraces, elisp,
-the Emacs Lisp Reference Manual}, for more information about
+GNU Emacs Lisp Reference Manual}, for more information about
 backtraces.
 
 @kindex l@r{, in ert results buffer}