Improve "Reading PDF files" section

README.org

@@ -893,11 +893,11 @@ deleting, opening, renaming, and viewing files and directories, but the
 integration of [[info:emacs#Dired][dired (info)]] in Emacs is obviously much better than the
 integration of [[https://github.com/ranger/ranger#readme][ranger]] in Emacs.
 
-For instance, this setup allows to insert an =org-mode= link to an poorly
-identified file containing a specific image into an =org-mode= buffer by means
-of the facilities of [[info:emacs#Dired][dired (info)]] as follows:
-1. Type {{{kbd(C-x d)}}} to open the directory containing the pooly identified
-   file with the specific image in a =dired-mode= buffer.
+For instance, this setup allows to insert an =org-mode= link to a file
+containing a specific image into an =org-mode= buffer by means of the facilities
+of [[info:emacs#Dired][dired (info)]] as follows:
+1. Type {{{kbd(C-x d)}}} to open the directory containing the file with the
+   specific image in a =dired-mode= buffer.
 2. Start searching for the specific image by navigating to the name of any image
    file.
 3. Type {{{kbd(v)}}} to switch to view the file in an =image-mode= buffer.
@@ -2032,8 +2032,9 @@ 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
-[[tab:pdf-tools-commands-and-bindings]] lists important local map ~pdf-tools~ key
-bindings.
+[[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.
 
 #+caption[Setup =pdf-tools=]:
 #+caption: Setup =pdf-tools=.
@@ -2041,14 +2042,9 @@ bindings.
 #+begin_src emacs-lisp -n :results silent
 (when (and (ensure-package-installation 'pdf-tools)
            (fboundp 'pdf-loader-install))
-  ;; `pdf-loader-install' is the lazy equivalent of `pdf-tools-install':
-  ;; see the README file.
+  ;; Use `pdf-loader-install' for faster startup than with `pdf-tools-install'.
   (pdf-loader-install)
 
-  (with-eval-after-load 'pdf-outline
-    ;; The `image-save' key binding is now "i o".
-    (keymap-set pdf-outline-minor-mode-map "O" #'pdf-outline))
-
   (with-eval-after-load 'pdf-view
     (setopt pdf-view-display-size 'fit-page
             pdf-view-use-scaling (eq system-type 'darwin))))
@@ -2056,17 +2052,17 @@ bindings.
 
 
 #+attr_latex: :booktabs yes :float table
-#+caption[Pdf-tools commands with key bindings]:
-#+caption: Pdf-tools commands with key bindings.
-#+name: tab:pdf-tools-commands-and-bindings
-|---------------------------------+--------------|
-| command                         | key binding  |
-|---------------------------------+--------------|
-| *pdf-outline*                   | {{{kbd(o)}}} |
-| *pdf-outline*                   | {{{kbd(O)}}} |
-| *pdf-view-fit-height-to-window* | {{{kbd(H)}}} |
-| *pdf-view-fit-width-to-window*  | {{{kbd(W)}}} |
-|---------------------------------+--------------|
+#+caption[Commands with local key bindings in ~pdf-view-mode~]:
+#+caption: Commands with local key bindings in ~pdf-view-mode~.
+#+name: tab:pdf-view-mode-commands-and-bindings
+|---------------------------------+----------------|
+| command                         | key binding    |
+|---------------------------------+----------------|
+| *image-save*                    | {{{kbd(i o)}}} |
+| *pdf-outline*                   | {{{kbd(o)}}}   |
+| *pdf-view-fit-height-to-window* | {{{kbd(H)}}}   |
+| *pdf-view-fit-width-to-window*  | {{{kbd(W)}}}   |
+|---------------------------------+----------------|
 
 * Writing
 :PROPERTIES: