Emacs: LSP: Set lsp-keymap-prefix to C-c l …

… and enable which-key integration.

init.d/programming/lsp.el

@@ -1,6 +1,6 @@
 ;;; lsp.el --- Language Server Protocol.             -*- lexical-binding: t; -*-
 
-;; Time-stamp: <2020-07-07T05:33:56+0200>
+;; Time-stamp: <2020-08-28T03:42:07+0200>
 
 ;;; Commentary:
 
@@ -21,7 +21,8 @@
              (lsp-eldoc-render-all t)
              (lsp-restart 'auto-restart)
              (lsp-enable-semantic-highlighting t) ; Needs clangd 11(?).
-             (lsp-prefer-capf t))
+             (lsp-prefer-capf t)
+             (lsp-keymap-prefix "C-c l"))
     :config (progn
               (setq lsp-clients-clangd-args '("--compile-commands-dir=build"))
               ;; Add “-clang-tidy” to clangd args if the version supports it.
@@ -34,7 +35,8 @@
            (c-mode . lsp)
            ;; ↓ See <https://github.com/emacs-lsp/lsp-mode/issues/1736>. ↓
            (lsp-managed-mode
-            . (lambda () (setq-local company-backends '(company-capf))))))
+            . (lambda () (setq-local company-backends '(company-capf))))
+           (lsp-mode . lsp-enable-which-key-integration)))
 
   ;; Eye-candy and flycheck support for lsp-mode.
   (use-package lsp-ui