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.