Merge from origin/emacs-25

784602b1050 (origin/emacs-25) ; Add release notice
3a34412caae (tag: emacs-25.2) Set Emacs version to 25.2 and update AU...
56a4461a48d ; Move stray item from admin/notes/repo to CONTRIBUTE
2b0d1118199 ; CONTRIBUTE: Remove stray header.
f2ab09ec60d Fix a typo in indexing the user manual
bc55a574235 * lisp/menu-bar.el (kill-this-buffer): Doc fix.  (Bug#26466)
a6d50401b4b Document 'line-pixel-height'
0c55cf43e61 * search.c (Fre_search_forward, Fre_search_backward): Imp...
c7ed57eaef4 Mention that processes start in default-directory (Bug#18...
856ec9ffa1f * src/xdisp.c (vmessage, message): Clarify commentary.
849a0aaa1c9 Belated fixes for admin.el's M-x make-manuals-dist
84938d79698 default-directory: Remark that it must be a directory name
3f0d047d2eb Delete confuse statement in manual
ee1bd94dd0c Improve packaging documentation
fb18bff91f0 Expand manual section on quitting windows
9a737079645 Fix docstring of dabbrev-abbrev-char-regexp
afe8849bac1 * doc/misc/cl.texi (Iteration Clauses): Clarify example (...
ada79442c07 ;* doc/misc/info.texi (Choose menu subtopic): Improve ind...
d38fd9229c0 Narrow scope of modification hook renabling in org-src fo...
e0e9db4c84a ; Spelling fix

# Conflicts:
#	README
#	etc/AUTHORS
#	etc/HISTORY
#	lisp/ldefs-boot.el

4 files changed, 31 insertions, 11 deletions

diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi
index 7a6a21649e4..51e31aa273f 100644
--- a/doc/lispref/display.texi
+++ b/doc/lispref/display.texi
@@ -1974,6 +1974,12 @@ line, if present, in the return value.  If it is @code{t}, include the
 height of both, if present, in the return value.
 @end defun
 
+@defun line-pixel-height
+This function returns the height in pixels of the line at point in the
+selected window.  The value includes the line spacing of the line
+(@pxref{Line Height}).
+@end defun
+
 
 @node Line Height
 @section Line Height
diff --git a/doc/lispref/package.texi b/doc/lispref/package.texi
index 1b37337c15b..af05d1ef58c 100644
--- a/doc/lispref/package.texi
+++ b/doc/lispref/package.texi
@@ -54,7 +54,8 @@ prefix used in the program (@pxref{Coding Conventions}).
 @item Version
 A version number, in a form that the function @code{version-to-list}
 understands (e.g., @samp{11.86}).  Each release of a package should be
-accompanied by an increase in the version number.
+accompanied by an increase in the version number so that it will be
+recognized as an upgrade by users querying the package archive.
 
 @item Brief description
 This is shown when the package is listed in the Package Menu.  It
@@ -71,8 +72,9 @@ once it is installed.
 A list of other packages (possibly including minimal acceptable
 version numbers) on which this package depends.  The list may be
 empty, meaning this package has no dependencies.  Otherwise,
-installing this package also automatically installs its dependencies;
-if any dependency cannot be found, the package cannot be installed.
+installing this package also automatically installs its dependencies,
+recursively; if any dependency cannot be found, the package cannot be
+installed.
 @end table
 
 @cindex content directory, package
@@ -212,8 +214,8 @@ subdirectories of the content directory.
   One of the files in the content directory must be named
 @file{@var{name}-pkg.el}.  It must contain a single Lisp form,
 consisting of a call to the function @code{define-package}, described
-below.  This defines the package's version, brief description, and
-requirements.
+below.  This defines the package's attributes: version, brief
+description, and requirements.
 
   For example, if we distribute version 1.3 of the superfrobnicator as
 a multi-file package, the tar file would be
diff --git a/doc/lispref/processes.texi b/doc/lispref/processes.texi
index 630853384e8..1d200ce1362 100644
--- a/doc/lispref/processes.texi
+++ b/doc/lispref/processes.texi
@@ -300,8 +300,11 @@ system, much like text written into a file.  @xref{Coding Systems}.
 @defun call-process program &optional infile destination display &rest args
 This function calls @var{program} and waits for it to finish.
 
-The current working directory of the subprocess is
-@code{default-directory}.
+The current working directory of the subprocess is set to the current
+buffer's value of @code{default-directory} if that is local (as
+determined by @code{unhandled-file-name-directory}), or "~" otherwise.
+If you want to run a process in a remote directory use
+@code{process-file}.
 
 The standard input for the new process comes from file @var{infile} if
 @var{infile} is not @code{nil}, and from the null device otherwise.
@@ -683,6 +686,12 @@ created with @code{make-pipe-process}, described below.
 
 The original argument list, modified with the actual connection
 information, is available via the @code{process-contact} function.
+
+The current working directory of the subprocess is set to the current
+buffer's value of @code{default-directory} if that is local (as
+determined by `unhandled-file-name-directory'), or "~" otherwise.  If
+you want to run a process in a remote direcotry use
+@code{start-file-process}.
 @end defun
 
 @defun make-pipe-process &rest args
diff --git a/doc/lispref/tips.texi b/doc/lispref/tips.texi
index 4e2a0fad1fa..35abd8e79db 100644
--- a/doc/lispref/tips.texi
+++ b/doc/lispref/tips.texi
@@ -1046,12 +1046,15 @@ package manager both at download time (to ensure that a complete set
 of packages is downloaded) and at activation time (to ensure that a
 package is only activated if all its dependencies have been).
 
-Its format is a list of lists.  The @code{car} of each sub-list is the
-name of a package, as a symbol.  The @code{cadr} of each sub-list is
-the minimum acceptable version number, as a string.  For instance:
+Its format is a list of lists on a single line.  The @code{car} of
+each sub-list is the name of a package, as a symbol.  The @code{cadr}
+of each sub-list is the minimum acceptable version number, as a string
+that can be parse by @code{version-to-list}.  An entry that lacks a
+version (i.e., an entry which is just a symbol, or a sub-list of one
+element) is equivalent to entry with version "0".  For instance:
 
 @smallexample
-;; Package-Requires: ((gnus "1.0") (bubbles "2.7.2"))
+;; Package-Requires: ((gnus "1.0") (bubbles "2.7.2") cl-lib (seq))
 @end smallexample
 
 The package code automatically defines a package named @samp{emacs}