Improve the "Go Programming" section and rely on format-all

README.org

@@ -4437,25 +4437,72 @@ Listing [[lst:bug-reports]] sets up [[info:emacs#Bug Reference][Bug Reference Mo
 
 [[https://jorge.olano.dev/blog/getting-started-with-go-and-emacs/][Getting started with Go and Emacs]] looks interesting but this setup uses ~eglot~
 ~go-ts-mode~ (instead of ~go-mode~) and my hardware is too old to use [[https://brew.sh/][HomeBrew]].
-This setup uses the following links to install [[https://go.dev/][Go]] and [[https://pkg.go.dev/golang.org/x/tools/gopls][gopls]] on [[https://en.wikipedia.org/wiki/Darwin_(operating_system)][Darwin]]:
+This setup uses the following links to install [[https://go.dev/][Go]] and tools on [[https://en.wikipedia.org/wiki/Darwin_(operating_system)][Darwin]]:
 1. [[https://go.dev/dl/][Go - all releases - featured downloads]] contains binary and source packages.
 2. [[https://go.dev/doc/install][Go installation]] explains how to setup your system.
-3. Install [[https://pkg.go.dev/golang.org/x/tools/gopls][gopls]] following the [[https://pkg.go.dev/golang.org/x/tools/gopls#section-readme][installation instructions in the GoPLS README]].
+3. Install [[https://pkg.go.dev/golang.org/x/tools/gopls][gopls]], [[https://staticcheck.dev/][staticcheck]], and [[https://pkg.go.dev/golang.org/x/tools/cmd/goimports][goimports]] using the commands in listing
+   [[lst:install-go-tools]].
 Links to learn [[https://go.dev/][Go]] are:
 1. [[https://www.golangprograms.com/go-language.html][Go programming language]] contains a tutorial and a reference.
 2. [[https://gobyexample.com/][Go by example]] is a showcase of short examples with explanations.
 3. [[https://interpreterbook.com/][Writing An Interpreter In Go]] is book showing how to write a real program.
 
-Listing [[lst:setup-go-1]] defines =gotsfmt= which is a cheap small replacement for
-=gofmt= in [[https://github.com/dominikh/go-mode.el][go-mode]]. Adding =gofmt= to =before-save-hook= is safe, but adding
-=gotsfmt= is unsafe because =gotsfmt= calls =save-buffer=.  Listing
-[[lst:setup-go-2]] defines =gots8tabs=, =gots4tabs=, and =gots2tabs= which set tab
-stops to respectively 8, 4, and 2 spaces locally in the current buffer if the
-major mode is =go-ts-mode=.
+#+caption[Install =gopls= and =staticcheck=]:
+#+caption: Install =gopls= and =staticcheck=.
+#+name: lst:install-go-tools
+#+begin_src shell :eval never :tangle no
+go install golang.org/x/tools/gopls@latest
+go install honnef.co/go/tools/cmd/staticcheck@latest
+go install golang.org/x/tools/cmd/goimports@latest
+#+end_src
+
+The installed [[https://github.com/lassik/emacs-format-all-the-code][format-all for Emacs]] library supports all Go code formatting
+tools.  Listing [[lst:setup-go]] defines =gots8tabs=, =gots4tabs=, and =gots2tabs=
+which set tab stops to respectively 8, 4, and 2 spaces locally in the current
+buffer if the major mode is =go-ts-mode=.
 
 #+caption[Setup tab stops handling]:
 #+caption: Setup tab stops handling.
-#+name: lst:setup-go-1
+#+name: lst:setup-go
+#+begin_src emacs-lisp -n :results silent
+(when (featurep 'treesit)
+  (defun gots2tabs ()
+    "Set tab stops to 2 spaces in current `go-ts` buffer."
+    (interactive)
+    (when (eq major-mode 'go-ts-mode)
+      (setq-local go-ts-mode-indent-offset 2)
+      (setq-local tab-width 2)))
+
+  (defun gots4tabs ()
+    "Set tab stops to 4 spaces in current `go-ts` buffer."
+    (interactive)
+    (when (eq major-mode 'go-ts-mode)
+      (setq-local go-ts-mode-indent-offset 4)
+      (setq-local tab-width 4)))
+
+  (defun gots8tabs ()
+    "Set tab stops to 8 spaces in current `go-ts` buffer."
+    (interactive)
+    (when (eq major-mode 'go-ts-mode)
+      (setq-local go-ts-mode-indent-offset 8)
+      (setq-local tab-width 8)))
+
+  (add-to-list 'auto-mode-alist `(,(rx ".go" eos) . go-ts-mode)))
+#+end_src
+
+** [[https://github.com/dominikh/go-mode.el/blob/602d73e22646b1b98b2eb97927fd426c0d1d2f92/go-mode.el#L1904][Elisp gofmt (in go-mode) replacement]]                            :noexport:
+:PROPERTIES:
+:CUSTOM_ID: sec:elisp-gofmt-replacement
+:header-args:emacs-lisp: :tangle no
+:END:
+
+Listing [[lst:setup-go-2]] defines =gotsfmt= which is a cheap small replacement for
+=gofmt= in [[https://github.com/dominikh/go-mode.el][go-mode]]. Adding =gofmt= to =before-save-hook= is safe, but adding
+=gotsfmt= is unsafe because =gotsfmt= calls =save-buffer=.
+
+#+caption[Setup tab stops handling]:
+#+caption: Setup tab stops handling.
+#+name: lst:setup-go-2
 #+begin_src emacs-lisp
 (when (featurep 'treesit)
   (defun gotsfmt ()
@@ -4485,35 +4532,6 @@ major mode is =go-ts-mode=.
           (message "Your code chokes Gofmt!"))))))
 #+end_src
 
-#+caption[Setup tab stops handling]:
-#+caption: Setup tab stops handling.
-#+name: lst:setup-go-2
-#+begin_src emacs-lisp -n :results silent
-(when (featurep 'treesit)
-  (defun gots2tabs ()
-    "Set tab stops to 2 spaces in current `go-ts` buffer."
-    (interactive)
-    (when (eq major-mode 'go-ts-mode)
-      (setq-local go-ts-mode-indent-offset 2)
-      (setq-local tab-width 2)))
-
-  (defun gots4tabs ()
-    "Set tab stops to 4 spaces in current `go-ts` buffer."
-    (interactive)
-    (when (eq major-mode 'go-ts-mode)
-      (setq-local go-ts-mode-indent-offset 4)
-      (setq-local tab-width 4)))
-
-  (defun gots8tabs ()
-    "Set tab stops to 8 spaces in current `go-ts` buffer."
-    (interactive)
-    (when (eq major-mode 'go-ts-mode)
-      (setq-local go-ts-mode-indent-offset 8)
-      (setq-local tab-width 8)))
-
-  (add-to-list 'auto-mode-alist `(,(rx ".go" eos) . go-ts-mode)))
-#+end_src
-
 ** [[https://www.seas.upenn.edu/~chaoliu/2017/09/01/python-programming-in-emacs/][Python programming]]
 :PROPERTIES:
 :CUSTOM_ID: sec:python-programming