Remove a few more redundant `:group` args.
Make use of lexical scoping to replace `(lambda...) with proper closures.

* lisp/cedet/ede/custom.el (ede-project-sort-targets-list):
Use `dotimes` and replace `(lambda..) with closures.

* lisp/cedet/ede/proj-comp.el (proj-comp-insert-variable-once):
* lisp/cedet/ede/pmake.el (ede-pmake-insert-variable-once):
Remove unused var `addcr`.

* lisp/cedet/semantic/complete.el: Use lexical-binding.
(semantic-displayer-show-request): Remove unused var `typing-count`.
Use `equal` instead of `stringp+string=`.

* lisp/cedet/semantic/db-ebrowse.el: Use lexical-binding.
(semanticdb-create-ebrowse-database): Remove unused vars `mma` and `regexp`.
(semanticdb-ebrowse-strip-trees): Remove unused var `class` and `filename`.
(semanticdb-ebrowse-add-globals-to-table): Remove unused var `fname`.

* lisp/cedet/semantic/db-find.el: Use lexical-binding.
(semanticdb-find-adebug-insert-scanned-tag-cons): Remove always-nil var
`tip`.

* lisp/cedet/semantic/db-global.el: Use lexical-binding.
(semanticdb-enable-gnu-global-databases): Access local var
`semantic--ih` by sticking its value in the code passed to `eval`
rather than by dynamic scoping.

* lisp/cedet/semantic/db-typecache.el: Use lexical-binding.
(semanticdb-db-typecache-dump): Remove unused var `junk`.

* lisp/cedet/semantic/debug.el: Use lexical-binding.

* lisp/cedet/semantic/dep.el: Use lexical-binding.
(semantic-add-system-include): Avoid `add-to-list` on a local variable.
Access local var `value` by sticking its value in the code passed to
`eval` rather than by dynamic scoping.
(semantic-remove-system-include): Don't use `delete` on a list received
from elsewhere.
Access local var `value` by sticking its value in the code passed to
`eval` rather than by dynamic scoping.
(semantic-reset-system-include): Simplify a bit.

* lisp/cedet/semantic/ede-grammar.el: Use lexical-binding.
(project-compile-target): Remove unused vars `csrc` and `cb`.
Use `cl-incf`.  Remove apparently unneeded `with-no-warnings`.

* lisp/cedet/semantic/edit.el: Use lexical-binding.
(semantic-edits-change-over-tags): Remove unused var `inner-start`.
(semantic-edits-incremental-parser-1): Silence warnings about
intentionally unused var `last-cond`.

* lisp/cedet/semantic/fw.el: Use lexical-binding.
(recentf-exclude, semantic-init-hook, ede-auto-add-method)
(flymake-start-syntax-check-on-find-file, auto-insert): Declare vars.

* lisp/cedet/semantic/ia-sb.el: Use lexical-binding.
(semantic-ia-sb-key-map): Move initialization into declaration.
(semantic-ia-sb-more-buttons): Remove unused var `idx`.
(semantic-ia-sb-line-path): Simplify `if` -> `or`.

* lisp/cedet/semantic/idle.el (semantic-idle-breadcrumbs--tag-function):
Make it a function returning a closure.

* lisp/cedet/semantic/senator.el: Use lexical-binding.
(senator-search-set-tag-class-filter): Replace `(lambda..) with a closure.

* lisp/cedet/semantic/sort.el: Use lexical-binding.
(semanticdb-search-system-databases): Declare var.
(semantic-tag-external-member-children-default): Replace `(lambda..)
with a closure.

* lisp/cedet/semantic/tag-ls.el: Use lexical-binding.
(semantic-tag-protection-default, semantic-tag-abstract-p-default):
Simplify with `member`.

* lisp/cedet/semantic/util.el: Use lexical-binding.
(semantic-something-to-tag-table): Declare function
`semanticdb-abstract-table--eieio-childp` called via `cl-typep`.

* lisp/cedet/semantic/bovine/scm.el (semantic-default-scheme-setup):
Remove duplicate setting of `imenu-create-index-function`.

* lisp/cedet/semantic/decorate/mode.el (semantic-decoration-build-style-menu):
Replace `(lambda..) with a closure.

* lisp/cedet/srecode/cpp.el (srecode-semantic-apply-tag-to-dict):
Remove always-t variable `member`.

* lisp/cedet/srecode/mode.el (srecode-minor-mode-templates-menu):
Replace `(lambda..) with a closure.  Use `push`.

* lisp/cedet/semantic/chart.el: Use lexical-binding.
* lisp/cedet/semantic/db-debug.el: Use lexical-binding.
* lisp/cedet/semantic/db-el.el: Use lexical-binding.
* lisp/cedet/semantic/db-file.el: Use lexical-binding.
* lisp/cedet/semantic/db-javascript.el: Use lexical-binding.
* lisp/cedet/semantic/db-mode.el: Use lexical-binding.
* lisp/cedet/semantic/db-ref.el: Use lexical-binding.
* lisp/cedet/semantic/decorate.el: Use lexical-binding.
* lisp/cedet/semantic/doc.el: Use lexical-binding.
* lisp/cedet/semantic/find.el: Use lexical-binding.
* lisp/cedet/semantic/format.el: Use lexical-binding.
* lisp/cedet/semantic/html.el: Use lexical-binding.
* lisp/cedet/semantic/ia.el: Use lexical-binding.
* lisp/cedet/semantic/imenu.el: Use lexical-binding.
* lisp/cedet/semantic/java.el: Use lexical-binding.
* lisp/cedet/semantic/mru-bookmark.el: Use lexical-binding.
* lisp/cedet/semantic/symref.el: Use lexical-binding.
* lisp/cedet/semantic/tag-file.el: Use lexical-binding.
* lisp/cedet/semantic/tag-write.el: Use lexical-binding.
* lisp/cedet/semantic/texi.el: Use lexical-binding.
* lisp/cedet/semantic/util-modes.el: Use lexical-binding.

* lisp/cedet/semantic/analyze.el: Use lexical-binding.
Rename the dynbound var `prefixtypes` to `semantic--prefixtypes`.
(semantic--prefixtypes): Declare var.

* lisp/cedet/semantic/analyze/complete.el: Use lexical-binding.
(semantic--prefixtypes): Declare var.
(semantic-analyze-possible-completions-default): Remove unused var `any`.
Rename `prefixtypes` to `semantic--prefixtypes`.

* lisp/cedet/semantic/analyze/debug.el: Use lexical-binding.
(semantic-analyzer-debug-global-symbol): Remove no-op use of `prefixtypes`.

* lisp/cedet/semantic/analyze/refs.el:
* lisp/cedet/semantic/analyze/fcn.el: Use lexical-binding.

Run "TZ=UTC0 admin/update-copyright".

* 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)