diff --git a/admin/authors.el b/admin/authors.el
index e02ce550ac3..436efd80613 100644
--- a/admin/authors.el
+++ b/admin/authors.el
@@ -264,6 +264,7 @@ files.")
     ;; There are other Stefans.
 ;;;    ("Stefan Monnier" "Stefan")
     (nil "ssnnoo")
+    ("Stephane Marks" "shipmints@gmail\\.com")
     ("Steven L. Baur" "SL Baur" "Steven L Baur")
     ("Stewart M. Clamen" "Stewart Clamen")
     (nil "StrawberryTea" "look@strawberrytea\\.xyz")
@@ -278,7 +279,7 @@ files.")
     ("Thomas Dye" "Tom Dye")
     ("Thomas Horsley" "Tom Horsley")	; FIXME ?
     ("Thomas Wurgler" "Tom Wurgler")
-    (nil "thuna\\.cing@gmail\\.com")
+    ("Umut Thuna Akgul" "thuna\\.cing@gmail\\.com")
     ("Toby Cubitt" "Toby S\\. Cubitt")
     ("Tomohiko Morioka" "MORIOKA Tomohiko")
     ("Torbjörn Axelsson" "Torbjvrn Axelsson")
diff --git a/doc/lispref/files.texi b/doc/lispref/files.texi
index 97ad7c6b7fa..c285cd1c683 100644
--- a/doc/lispref/files.texi
+++ b/doc/lispref/files.texi
@@ -2459,6 +2459,14 @@ results in any way.
 This is almost the same as using @code{concat}, but @var{dirname} (and
 the non-final components) may or may not end with slash characters,
 and this function will not double those characters.
+
+In most cases, one or more calls to @code{expand-file-name} (@pxref{File
+Name Expansion} are better suited for the job of generating file names
+with leading directories than this function.  Use this function only if
+some of the special features of @code{expand-file-name} get in the way
+of what your program needs to do.  For example, the special handling by
+@code{expand-file-name} of @file{~}, @file{~@var{user}}, and @code{nil},
+or the removal of @file{.} and @file{..} might not be what you want.
 @end defun
 
   To convert a directory name to its abbreviation, use this
diff --git a/doc/lispref/variables.texi b/doc/lispref/variables.texi
index 3d123a41c8d..89ccb8ea740 100644
--- a/doc/lispref/variables.texi
+++ b/doc/lispref/variables.texi
@@ -499,33 +499,37 @@ initializes it only if it is originally void.
 Definitions}.
 
 @defspec defvar symbol [value [doc-string]]
-This special form defines @var{symbol} as a variable.  Note that
-@var{symbol} is not evaluated; the symbol to be defined should appear
-explicitly in the @code{defvar} form.  The variable is marked as
-@dfn{special}, meaning that it should always be dynamically bound
+This special form defines @var{symbol} as a variable and optionally
+initializes and documents it.  Note that it doesn't evaluate
+@var{symbol}; the symbol to be defined should appear explicitly in the
+@code{defvar} form.  @code{defvar} also marks @var{symbol} as
+@dfn{special}, meaning that its bindings should always be dynamic
 (@pxref{Variable Scoping}).
 
 If @var{value} is specified, and @var{symbol} is void (i.e., it has no
-dynamically bound value; @pxref{Void Variables}), then @var{value} is
-evaluated and @var{symbol} is set to the result.  But if @var{symbol}
-is not void, @var{value} is not evaluated, and @var{symbol}'s value is
-left unchanged.  If @var{value} is omitted, the value of @var{symbol}
-is not changed in any case.
+dynamically bound value; @pxref{Void Variables}), then @code{defvar}
+evaluates @var{value}, and initializes @var{symbol} by setting it to the
+result of the evaluation.  But if @var{symbol} is not void,
+@code{defvar} does not evaluate @var{value}, and leaves @var{symbol}'s
+value unchanged.  If @var{value} is omitted, @code{defvar} doesn't
+change the value of @var{symbol} in any case.
 
 Note that specifying a value, even @code{nil}, marks the variable as
-special permanently.  Whereas if @var{value} is omitted then the
-variable is only marked special locally (i.e.@: within the current
-lexical scope, or file if at the top-level).  This can be useful for
-suppressing byte compilation warnings, see @ref{Compiler Errors}.
+special permanently.  Whereas if @var{value} is omitted, then
+@code{defvar} marks the variable special only locally (i.e.@: within the
+current lexical scope, or within the current file, if @code{defvar} is
+at the top-level).  This can be useful for suppressing byte compilation
+warnings, see @ref{Compiler Errors}.
 
-If @var{symbol} has a buffer-local binding in the current buffer,
-@code{defvar} acts on the default value, which is buffer-independent,
-rather than the buffer-local binding.  It sets the default value if
-the default value is void.  @xref{Buffer-Local Variables}.
+If @var{symbol} has a buffer-local binding in the current buffer, and
+@var{value} is specified, @code{defvar} modifies the default value of
+@var{symbol}, which is buffer-independent, rather than the buffer-local
+binding.  It sets the default value if the default value is void.
+@xref{Buffer-Local Variables}.
 
-If @var{symbol} is already let bound (e.g., if the @code{defvar}
-form occurs in a @code{let} form), then @code{defvar} sets the toplevel
-default value, like @code{set-default-toplevel-value}.
+If @var{symbol} is already let bound (e.g., if the @code{defvar} form
+occurs in a @code{let} form), then @code{defvar} sets the toplevel
+default value of @var{symbol}, like @code{set-default-toplevel-value}.
 The let binding remains in effect until its binding construct exits.
 @xref{Variable Scoping}.
 
diff --git a/lisp/gnus/gnus-score.el b/lisp/gnus/gnus-score.el
index ba5edd4bdc1..0551ca2676d 100644
--- a/lisp/gnus/gnus-score.el
+++ b/lisp/gnus/gnus-score.el
@@ -119,11 +119,11 @@ the `a' symbolic prefix to the score commands will always use
 		(function-item gnus-score-find-hierarchical)
 		(function-item gnus-score-find-bnews)
 		(repeat :tag "List of functions"
-			(choice (function :tag "Other" :value 'ignore)
+                        (choice (function :tag "Other" :value ignore)
 				(function-item gnus-score-find-single)
 				(function-item gnus-score-find-hierarchical)
 				(function-item gnus-score-find-bnews)))
-		(function :tag "Other" :value 'ignore)))
+                (function :tag "Other" :value ignore)))
 
 (defcustom gnus-score-interactive-default-score 1000
   "Scoring commands will raise/lower the score with this number as the default."
diff --git a/src/fileio.c b/src/fileio.c
index cdf57618af1..7e1ac3fc383 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -847,6 +847,10 @@ Each element in COMPONENTS must be a string or nil.
 DIRECTORY or the non-final elements in COMPONENTS may or may not end
 with a slash -- if they don't end with a slash, a slash will be
 inserted before concatenating.
+In most cases, one or more calls to `expand-file-name' are better
+suited for the job than this function.  Use this function only if
+some of the special expansions done by `expand-file-name' get in
+the way of what your program needs to do.
 usage: (file-name-concat DIRECTORY &rest COMPONENTS)  */)
   (ptrdiff_t nargs, Lisp_Object *args)
 {