Fix problems caused by new implementation of sub-word mode

* lisp/subr.el (forward-word-strictly, backward-word-strictly):
New functions.
(word-move-empty-char-table): New variable.

* etc/NEWS: Mention 'forward-word-strictly' and
'backward-word-strictly'.

* doc/lispref/positions.texi (Word Motion): Document
'find-word-boundary-function-table', 'forward-word-strictly', and
'backward-word-strictly'.  (Bug#22560)

* src/syntax.c (syms_of_syntax)
<find-word-boundary-function-table>: Doc fix.

* lisp/wdired.el (wdired-xcase-word):
* lisp/textmodes/texnfo-upd.el (texinfo-copy-node-name)
(texinfo-copy-section-title, texinfo-start-menu-description)
(texinfo-copy-menu-title, texinfo-specific-section-type)
(texinfo-insert-node-lines, texinfo-copy-next-section-title):
* lisp/textmodes/texinfo.el (texinfo-clone-environment)
(texinfo-insert-@end):
* lisp/textmodes/texinfmt.el (texinfo-format-scan)
(texinfo-anchor, texinfo-multitable-widths)
(texinfo-multitable-item):
* lisp/textmodes/tex-mode.el (latex-env-before-change):
* lisp/textmodes/flyspell.el (texinfo-mode-flyspell-verify):
* lisp/skeleton.el (skeleton-insert):
* lisp/simple.el (count-words):
* lisp/progmodes/vhdl-mode.el (vhdl-beginning-of-libunit)
(vhdl-beginning-of-defun, vhdl-beginning-of-statement-1)
(vhdl-update-sensitivity-list, vhdl-template-block)
(vhdl-template-break, vhdl-template-case, vhdl-template-default)
(vhdl-template-default-indent, vhdl-template-for-loop)
(vhdl-template-if-then-use, vhdl-template-bare-loop)
(vhdl-template-nature, vhdl-template-procedural)
(vhdl-template-process, vhdl-template-selected-signal-asst)
(vhdl-template-type, vhdl-template-variable)
(vhdl-template-while-loop, vhdl-beginning-of-block)
(vhdl-hooked-abbrev, vhdl-port-copy, vhdl-hs-forward-sexp-func):
* lisp/progmodes/verilog-mode.el (verilog-backward-sexp)
(verilog-forward-sexp, verilog-beg-of-statement)
(verilog-set-auto-endcomments, verilog-backward-token)
(verilog-do-indent):
* lisp/progmodes/vera-mode.el (vera-guess-basic-syntax)
(vera-indent-block-closing):
* lisp/progmodes/simula.el (simula-context)
(simula-backward-up-level, simula-forward-down-level)
(simula-previous-statement, simula-next-statement)
(simula-skip-comment-backward, simula-calculate-indent)
(simula-find-if, simula-electric-keyword):
* lisp/progmodes/sh-script.el (sh-smie--rc-newline-semi-p):
* lisp/progmodes/ruby-mode.el (ruby-smie--redundant-do-p)
(ruby-smie--forward-token, ruby-smie--backward-token)
(ruby-singleton-class-p, ruby-calculate-indent)
(ruby-forward-sexp, ruby-backward-sexp):
* lisp/progmodes/ps-mode.el (ps-run-goto-error):
* lisp/progmodes/perl-mode.el (perl-syntax-propertize-function)
(perl-syntax-propertize-special-constructs)
(perl-backward-to-start-of-continued-exp):
* lisp/progmodes/pascal.el (pascal-indent-declaration):
* lisp/progmodes/octave.el (octave-function-file-p):
* lisp/progmodes/mantemp.el (mantemp-insert-cxx-syntax):
* lisp/progmodes/js.el (js--forward-function-decl):
* lisp/progmodes/idlwave.el (idlwave-show-begin-check)
(idlwave-beginning-of-block, idlwave-end-of-block)
(idlwave-block-jump-out, idlwave-determine-class):
* lisp/progmodes/icon.el (icon-is-continuation-line)
(icon-backward-to-start-of-continued-exp, end-of-icon-defun):
* lisp/progmodes/hideif.el (hide-ifdef-define):
* lisp/progmodes/f90.el (f90-change-keywords):
* lisp/progmodes/cperl-mode.el (cperl-electric-pod)
(cperl-linefeed, cperl-electric-terminator)
(cperl-find-pods-heres, cperl-fix-line-spacing)
(cperl-invert-if-unless):
* lisp/progmodes/cc-engine.el (c-forward-<>-arglist-recur):
* lisp/progmodes/cc-align.el (c-lineup-java-inher):
* lisp/progmodes/ada-mode.el (ada-compile-goto-error)
(ada-adjust-case-skeleton, ada-create-case-exception)
(ada-create-case-exception-substring)
(ada-case-read-exceptions-from-file, ada-after-keyword-p)
(ada-scan-paramlist, ada-get-current-indent, ada-get-indent-end)
(ada-get-indent-if, ada-get-indent-block-start)
(ada-get-indent-loop, ada-get-indent-type)
(ada-search-prev-end-stmt, ada-check-defun-name)
(ada-goto-decl-start, ada-goto-matching-start)
(ada-goto-matching-end, ada-looking-at-semi-or)
(ada-looking-at-semi-private, ada-in-paramlist-p)
(ada-search-ignore-complex-boolean, ada-move-to-start)
(ada-move-to-end, ada-which-function, ada-gen-treat-proc):
* lisp/net/quickurl.el (quickurl-grab-url):
* lisp/mail/sendmail.el (mail-do-fcc):
* lisp/mail/rmail.el (rmail-resend):
* lisp/mail/mailabbrev.el (mail-abbrev-complete-alias):
* lisp/mail/mail-extr.el (mail-extract-address-components):
* lisp/json.el (json-read-keyword):
* lisp/files.el (insert-directory):
* lisp/emacs-lisp/checkdoc.el (checkdoc-this-string-valid-engine):
* lisp/completion.el (symbol-under-point, symbol-before-point)
(symbol-before-point-for-complete, next-cdabbrev)
(add-completions-from-c-buffer):
* lisp/cedet/semantic/texi.el (semantic-up-context)
(semantic-beginning-of-context):
* lisp/cedet/semantic/bovine/el.el (semantic-get-local-variables):
use 'forward-word-strictly' and 'backward-word-strictly' instead
of 'forward-word' and 'backward-word'.

[This reapplies commit c1d32a65372c72d7de4808d620eefd3214a8e92a,
which was inadvertently lost by merge commit
c71e7cc113ed0d5f01aaa2e441a3e3c9fbeb9fa5.]

4 files changed, 5 insertions, 5 deletions

diff --git a/lisp/mail/mail-extr.el b/lisp/mail/mail-extr.el
index 9dc3af6ab65..4f3e71d34b8 100644
--- a/lisp/mail/mail-extr.el
+++ b/lisp/mail/mail-extr.el
@@ -880,7 +880,7 @@ consing a string.)"
 		       (and (not (eobp))
 			    (eq ?w (char-syntax (char-after)))
 			    (progn
-			      (forward-word 1)
+			      (forward-word-strictly 1)
 			      (and (not (eobp))
 				   (> (char-after) ?\177)
 				   (not (eq (char-after) ? )))))))))
@@ -1312,7 +1312,7 @@ consing a string.)"
 		     )
 		    (t
 		     (setq atom-beg (point))
-		     (forward-word 1)
+		     (forward-word-strictly 1)
 		     (setq atom-end (point))
 		     (goto-char atom-beg)
 		     (save-restriction
diff --git a/lisp/mail/mailabbrev.el b/lisp/mail/mailabbrev.el
index ed6a74349f5..a047f5f000a 100644
--- a/lisp/mail/mailabbrev.el
+++ b/lisp/mail/mailabbrev.el
@@ -574,7 +574,7 @@ of a mail alias.  The value is set up, buffer-local, when first needed.")
   (let ((end (point))
         (beg (with-syntax-table mail-abbrev-syntax-table
                (save-excursion
-                 (backward-word 1)
+                 (backward-word-strictly 1)
                  (point)))))
     (completion-in-region beg end mail-abbrevs)))
 
diff --git a/lisp/mail/rmail.el b/lisp/mail/rmail.el
index 29926108c15..5c2331aea48 100644
--- a/lisp/mail/rmail.el
+++ b/lisp/mail/rmail.el
@@ -4089,7 +4089,7 @@ typically for purposes of moderating a list."
 		    (set-syntax-table mail-abbrev-syntax-table)
 		    (goto-char before)
 		    (while (and (< (point) end)
-				(progn (forward-word 1)
+				(progn (forward-word-strictly 1)
 				       (<= (point) end)))
 		      (expand-abbrev))
 		    (set-syntax-table old-syntax-table))
diff --git a/lisp/mail/sendmail.el b/lisp/mail/sendmail.el
index 5ab5bd9a2cd..58f708a0c1e 100644
--- a/lisp/mail/sendmail.el
+++ b/lisp/mail/sendmail.el
@@ -1404,7 +1404,7 @@ just append to the file, in Babyl format if necessary."
 	(insert "\nFrom " (user-login-name) " " (current-time-string time) "\n")
 	;; Insert the time zone before the year.
 	(forward-char -1)
-	(forward-word -1)
+	(forward-word-strictly -1)
 	(require 'mail-utils)
 	(insert (mail-rfc822-time-zone time) " ")
 	(goto-char (point-max))