Fix some over-wide docstrings

* lisp/cedet/semantic/analyze/refs.el
(semantic-analyze-refs-proto)
(semantic-analyze-refs-impl):
* lisp/cedet/semantic/symref.el
(semantic-symref-hit-to-tag-via-buffer):
* lisp/emacs-lisp/chart.el (chart-axis-draw):
* lisp/emacs-lisp/cl-macs.el (cl-defstruct, cl-loop):
* lisp/emacs-lisp/eieio-core.el (eieio--add-new-slot):
* lisp/eshell/em-unix.el (eshell/info):
* lisp/gnus/deuglify.el (gnus-outlook-rearrange-article):
* lisp/gnus/gnus-agent.el (gnus-agent-read-article-number):
* lisp/gnus/gnus-util.el (gnus-put-overlay-excluding-newlines)
(gnus-put-text-property-excluding-newlines):
* lisp/gnus/message.el (message-sort-headers):
* lisp/gnus/nntp.el (nntp-with-open-group)
(nntp-with-open-group-function):
* lisp/gnus/nnvirtual.el (nnvirtual-create-mapping):
* lisp/mail/feedmail.el (feedmail-fiddle-list-of-fiddle-plexes)
(feedmail-queue-reminder, feedmail-mail-send-hook-splitter):
* lisp/net/dictionary.el (dictionary-do-matching):
* lisp/obsolete/longlines.el (longlines-auto-wrap):
* lisp/org/ob-sql.el (org-babel-sql-dbstring-vertica):
* lisp/org/ol-bbdb.el (org-bbdb-date-list):
* lisp/progmodes/cc-cmds.el (c-mark-function):
* lisp/progmodes/cperl-mode.el (cperl-add-tags-recurse)
(cperl-add-tags-recurse-noxs-fullpath)
(cperl-add-tags-recurse-noxs):
* lisp/progmodes/etags.el (tags-search):
* lisp/progmodes/verilog-mode.el (verilog-delete-auto-buffer)
(verilog-auto-re-search-do, verilog-expand-vector-internal):
* lisp/textmodes/reftex-parse.el (reftex-init-section-numbers):
* lisp/textmodes/reftex-toc.el
(reftex-toc-load-all-files-for-promotion):
* lisp/textmodes/sgml-mode.el (html-mode):
* lisp/textmodes/table.el (table--transcoord-cache-to-table)
(table--transcoord-table-to-cache, table--remove-eol-spaces)
(table--region-in-cell-p, table-goto-bottom-right-corner)
(table-split-cell-horizontally):
* lisp/url/url-handlers.el (url-insert):
* lisp/vc/ediff-util.el (ediff-inferior-compare-regions): Fix doc
strings to not exceed 80-column limits.  (Bug#44858)

lisp/progmodes/cperl-mode.el

@@ -6533,7 +6533,7 @@ Does not move point."
 (defun cperl-add-tags-recurse-noxs ()
   "Add to TAGS data for \"pure\" Perl files in the current directory and kids.
 Use as
-  emacs -batch -q -no-site-file -l emacs/cperl-mode.el \
+  emacs -batch -q -no-site-file -l emacs/cperl-mode.el \\
         -f cperl-add-tags-recurse-noxs
 "
   (cperl-write-tags nil nil t t nil t))
@@ -6542,7 +6542,7 @@ Use as
   "Add to TAGS data for \"pure\" Perl in the current directory and kids.
 Writes down fullpath, so TAGS is relocatable (but if the build directory
 is relocated, the file TAGS inside it breaks). Use as
-  emacs -batch -q -no-site-file -l emacs/cperl-mode.el \
+  emacs -batch -q -no-site-file -l emacs/cperl-mode.el \\
         -f cperl-add-tags-recurse-noxs-fullpath
 "
   (cperl-write-tags nil nil t t nil t ""))
@@ -6550,7 +6550,7 @@ is relocated, the file TAGS inside it breaks). Use as
 (defun cperl-add-tags-recurse ()
   "Add to TAGS file data for Perl files in the current directory and kids.
 Use as
-  emacs -batch -q -no-site-file -l emacs/cperl-mode.el \
+  emacs -batch -q -no-site-file -l emacs/cperl-mode.el \\
         -f cperl-add-tags-recurse
 "
   (cperl-write-tags nil nil t t))