Make saveplace-pdf-view' work with pdf-tools'

README.org

@@ -227,7 +227,6 @@ of [[info:emacs#Saving Customizations][saving customizations (info)]].
  next-error-message-highlight t
  recentf-max-saved-items history-length
  recentf-mode t
- save-place-mode t
  savehist-mode t
  scroll-bar-mode nil
  tab-always-indent 'complete
@@ -1840,10 +1839,11 @@ Listing [[lst:configure-nov]] configures [[https://depp.brause.cc/nov.el/][nov.e
 
 The [[https://github.com/vedang/pdf-tools][pdf-tools]] package exploits the [[https://github.com/freedesktop/poppler][poppler]] library to render and to let you
 annotate [[https://en.wikipedia.org/wiki/PDF][PDF]] files.  It also exploits the [[https://wiki.contextgarden.net/SyncTeX][SyncTeX]] library to link anchors in [[https://en.wikipedia.org/wiki/PDF][PDF]]
-files produced with LaTeX to the original LaTeX sources.  In order to use
-[[https://github.com/vedang/pdf-tools][pdf-tools]], you have to type {{{kbd(M-x pdf-tools-install)}}} after installation
-of [[https://github.com/vedang/pdf-tools][pdf-tools]] from [[https://melpa.org/][MELPA]] or after each update of [[https://github.com/freedesktop/poppler][poppler]] to build or rebuild the
-=epdfinfo= executable that serves the [[https://en.wikipedia.org/wiki/PDF][PDF]] files to Emacs.  Table
+files produced with LaTeX to the original LaTeX sources.  Listing
+[[lst:setup-pdf-tools]] loads =bookmark= in order to use [[https://github.com/vedang/pdf-tools][pdf-tools]] with
+[[https://github.com/nicolaisingh/saveplace-pdf-view][saveplace-pdf-view]].  Building or rebuilding the =epdfinfo= executable that
+serves the [[https://en.wikipedia.org/wiki/PDF][PDF]] files to Emacs is necessary after installation of [[https://github.com/vedang/pdf-tools][pdf-tools]] from
+[[https://melpa.org/][MELPA]] or after each update of [[https://github.com/freedesktop/poppler][poppler]].  Table
 [[tab:pdf-view-mode-commands-and-bindings]] lists important local map key bindings
 in ~pdf-view-mode~.  Note: ~image-save~ saves the page under point to a ~png~
 file.
@@ -1852,10 +1852,13 @@ file.
 #+caption: Setup =pdf-tools=.
 #+name: lst:setup-pdf-tools
 #+begin_src emacs-lisp -n :results silent
-(when (ensure-package-installation 'pdf-tools)
+(when (ensure-package-installation 'pdf-tools 'saveplace-pdf-view)
+  ;; Enable `save-place-mode' after loading those two libraries.
+  (require 'bookmark)           ; Prevent unexpected Emacs setup weirdness.
+  (require 'saveplace-pdf-view) ; Like the documentation.
+  (save-place-mode +1)          ; Like the documentation.
   ;; Use `pdf-loader-install' for faster startup than with `pdf-tools-install'.
   (pdf-loader-install)
-
   (with-eval-after-load 'pdf-view
     (setopt pdf-view-display-size 'fit-page
             pdf-view-use-scaling (eq system-type 'darwin))))
@@ -4418,16 +4421,15 @@ wiki entry as the [[info:elisp#Edebug][Edebug (info)]] manual explains.
 :CUSTOM_ID: sec:bug-reports
 :END:
 
-Listing [[lst:bug-reports]] ensures the installation of the =debbugs= extension
-package to access the [[https://debbugs.gnu.org/][GNU Bug Tracker]] and sets up [[info:emacs#Bug Reference][Bug Reference Mode (info)]] to
-access the [[https://lists.gnu.org/mailman/listinfo/bug-gnu-emacs][bug-gnu-emacs]] mailing list.
+Listing [[lst:bug-reports]] ensures the installation of the [[info:debbugs#Top][Debbugs (info)]] extension
+package to access the [[https://debbugs.gnu.org/][GNU Bug Tracker]], sets up [[info:emacs#Bug Reference][Bug Reference Mode (info)]] to
+access the [[https://lists.gnu.org/mailman/listinfo/bug-gnu-emacs][bug-gnu-emacs]] mailing list, and enables [[info:emacs#Goto Address mode][Goto Address mode (info)]] to
+open web links in source blocks.
 
 #+caption[Setup reading existing bug reports]:
 #+caption: Setup reading existing bug reports.
 #+name: lst:bug-reports
 #+begin_src emacs-lisp -n :results silent
-;; (info "(debbugs) Top")
-;; (info "(emacs) Bug Reference")
 (ensure-package-installation 'debbugs)
 
 (defvar bug-reference-url-format
@@ -4437,8 +4439,7 @@ access the [[https://lists.gnu.org/mailman/listinfo/bug-gnu-emacs][bug-gnu-emacs
 (add-to-list 'safe-local-eval-forms '(bug-reference-mode +1))
 (put 'bug-reference-mode 'safe-local-variable 'booleanp)
 
-;; (info "(emacs) Goto Address mode")
-(add-hook 'emacs-lisp-mode-hook #'goto-address-mode)
+(add-hook 'org-mode-hook #'goto-address-mode)
 #+end_src
 
 *** [[http://yummymelon.com/devnull/writing-better-elisp-docstrings.html][Writing Better Elisp Docstrings]]