* Reducing useless module imports
@ 2023-02-03 17:11 Julien Lepiller
2023-02-04 14:12 ` Maxime Devos
2023-02-11 23:32 ` [PATCH 0/3] Add '-Wunused-module' Ludovic Courtès
0 siblings, 2 replies; 6+ messages in thread
From: Julien Lepiller @ 2023-02-03 17:11 UTC (permalink / raw)
To: guix-devel
Hi Guix!
during the Guix Days, we talked about reducing module imports. First,
let's note there's an empty module (gnu packages key-mon).
Then, we looked at build systems modules that are imported, but for
which the build system is never used:
```
for f in *.scm; do systems=$(grep '#:use-module (guix build-system' $f
| sed 's|^.*use-module (guix build-system \([^)]*\).*|\1|'); for s in
$systems; do if grep "${s}-build-system" $f >/dev/null; then :; else
echo $s is not used in $f; fi; done; done
```
For instance, (gnu packages minetest) imports (guix build-system
minetest) but never uses the minetest-build-system. (gnu packages
abiword) uses (guix build-system gnu) but does not use the
gnu-build-system.
Many modules seem to use a lot of imports that are actually useless,
for instance (gnu packages heads) imports 20 package modules, but
only uses 4 of them.
Removing these module imports would help a lot with reducing the number
of loops. If anyone wants to volunteer a lint checker for that,
raise hands :D
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Reducing useless module imports
2023-02-03 17:11 Reducing useless module imports Julien Lepiller
@ 2023-02-04 14:12 ` Maxime Devos
2023-02-11 23:32 ` [PATCH 0/3] Add '-Wunused-module' Ludovic Courtès
1 sibling, 0 replies; 6+ messages in thread
From: Maxime Devos @ 2023-02-04 14:12 UTC (permalink / raw)
To: Julien Lepiller, guix-devel
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On 03-02-2023 18:11, Julien Lepiller wrote:
> gnu packages minetest) imports (guix build-system
> minetest) but never uses the minetest-build-system. (gnu packages
> abiword) uses (guix build-system gnu) but does not use the
> gnu-build-system.
>
The build-system minetest-build-system does not exist; it's
minetest-mod-build-system, which happens to be defined in (guix
build-system build-system). As such, (gnu packages minetest) actually
does use (guix build-system minetest).
The idea was that in the future we might also package 'subgames' and
texture packages, for which a 'minetest-subgame-build-system' and
'minetest-texture-pack-build-system' build system could be defined.
It seemed a bit pointless to me to put those not-yet-defined build
systems in separate modules.
Greetings,
Maxime.
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 0/3] Add '-Wunused-module'
2023-02-03 17:11 Reducing useless module imports Julien Lepiller
2023-02-04 14:12 ` Maxime Devos
@ 2023-02-11 23:32 ` Ludovic Courtès
2023-02-11 23:32 ` [PATCH 1/3] Add -Wunused-module Ludovic Courtès
` (2 more replies)
1 sibling, 3 replies; 6+ messages in thread
From: Ludovic Courtès @ 2023-02-11 23:32 UTC (permalink / raw)
To: guile-devel; +Cc: guix-devel, Ludovic Courtès
Hello Guilers!
Following a discussion started at the Guix Days and continued online¹,
it seems we could benefit from a compiler warning for unused modules,
and this is what this patch does.
The new ‘-Wunused-module’ warning is enabled at ‘-W2’ only. The main
reason for not enabling it at ‘-W1’ is that in the case of modules used
at macro-expansion time only, such as (srfi srfi-26), it cannot
determine whether a module is definitely unused. In this case, the
compiler reports the module as “possibly unused”, and it is up to the
programmer to check that claim.
Currently we cannot do any better because warnings operate at the
tree-il, after macro expansion, and there’s nothing indicating whether a
piece of code results from macro expansion.
There’s also the rare case of modules imported for their side effects,
not for their bindings, and that should be kept even if seemingly
“unused”. One example might be the use of (rnrs bytevectors) in (rnrs
io ports). But again, that’s super unusual.
Anyway, it’s pretty useful already and has allowed me to trim imports in
Guile modules.
Thoughts?
Ludo’.
¹ https://lists.gnu.org/archive/html/guix-devel/2023-02/msg00028.html
Ludovic Courtès (3):
Add -Wunused-module.
Add 'record-case' to '.dir-locals.el'.
Remove unnecessary module imports.
.dir-locals.el | 1 +
NEWS | 17 +++
module/ice-9/copy-tree.scm | 1 -
module/ice-9/eval-string.scm | 1 -
module/ice-9/getopt-long.scm | 1 -
module/ice-9/poll.scm | 1 -
module/ice-9/popen.scm | 1 -
module/ice-9/sandbox.scm | 1 -
module/ice-9/threads.scm | 1 -
module/language/tree-il/analyze.scm | 138 +++++++++++++++++++++++-
module/language/tree-il/fix-letrec.scm | 4 -
module/sxml/apply-templates.scm | 2 -
module/sxml/simple.scm | 1 -
module/system/base/message.scm | 11 +-
module/system/base/types.scm | 1 -
module/system/repl/command.scm | 3 -
module/system/repl/common.scm | 2 -
module/system/repl/coop-server.scm | 1 -
module/system/repl/debug.scm | 6 --
module/system/repl/error-handling.scm | 1 -
module/system/repl/repl.scm | 4 -
module/system/repl/server.scm | 1 -
module/system/vm/assembler.scm | 2 -
module/system/vm/disassembler.scm | 2 -
module/system/vm/dwarf.scm | 2 -
module/system/vm/elf.scm | 2 -
module/system/vm/frame.scm | 2 -
module/system/vm/inspect.scm | 5 -
module/system/vm/linker.scm | 2 -
module/system/vm/program.scm | 1 -
module/system/vm/trace.scm | 3 -
module/system/vm/trap-state.scm | 1 -
module/system/vm/traps.scm | 2 -
module/system/xref.scm | 1 -
module/texinfo/indexing.scm | 1 -
module/texinfo/plain-text.scm | 3 -
module/texinfo/reflection.scm | 2 -
module/texinfo/string-utils.scm | 2 -
module/web/client.scm | 3 -
module/web/http.scm | 2 -
module/web/request.scm | 1 -
module/web/response.scm | 2 -
test-suite/tests/tree-il.test | 141 ++++++++++++++++++++++++-
43 files changed, 305 insertions(+), 77 deletions(-)
base-commit: 9d339ea1a95c3b2d04a88aa6b116f997349fc4f4
--
2.39.1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 1/3] Add -Wunused-module.
2023-02-11 23:32 ` [PATCH 0/3] Add '-Wunused-module' Ludovic Courtès
@ 2023-02-11 23:32 ` Ludovic Courtès
2023-02-11 23:32 ` [PATCH 2/3] Add 'record-case' to '.dir-locals.el' Ludovic Courtès
2023-02-11 23:32 ` [PATCH 3/3] Remove unnecessary module imports Ludovic Courtès
2 siblings, 0 replies; 6+ messages in thread
From: Ludovic Courtès @ 2023-02-11 23:32 UTC (permalink / raw)
To: guile-devel; +Cc: guix-devel, Ludovic Courtès
* module/language/tree-il/analyze.scm (<module-info>): New record type.
(unused-module-analysis): New variable.
(make-unused-module-analysis): New analysis.
(make-analyzer): Add it.
* module/system/base/message.scm (%warning-types): Add 'unused-module'.
* test-suite/tests/tree-il.test (%opts-w-unused-module): New variable.
("warnings")["unused-module"]: New test prefix.
* NEWS: Update.
---
NEWS | 17 ++++
module/language/tree-il/analyze.scm | 138 ++++++++++++++++++++++++++-
module/system/base/message.scm | 11 ++-
test-suite/tests/tree-il.test | 141 +++++++++++++++++++++++++++-
4 files changed, 304 insertions(+), 3 deletions(-)
diff --git a/NEWS b/NEWS
index 4313880c7..a0009406f 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,23 @@ See the end for copying conditions.
Please send Guile bug reports to bug-guile@gnu.org.
+\f
+Changes in 3.0.10 (since 3.0.9)
+
+* New interfaces and functionality
+
+** New warning: unused-module
+
+This analysis, enabled at `-W2', issues warnings for modules that appear
+in a `use-modules' form or as a #:use-module clause of `define-module',
+and whose bindings are unused. This is useful to trim the list of
+imports of a module.
+
+In some cases, the compiler cannot conclude whether a module is
+definitely unused---this is notably the case for modules that are only
+used at macro-expansion time, such as (srfi srfi-26). In those cases,
+the compiler reports it as "possibly unused".
+
\f
Changes in 3.0.9 (since 3.0.8)
diff --git a/module/language/tree-il/analyze.scm b/module/language/tree-il/analyze.scm
index 7918b9ddd..ef68e2b9b 100644
--- a/module/language/tree-il/analyze.scm
+++ b/module/language/tree-il/analyze.scm
@@ -1,6 +1,6 @@
;;; Diagnostic warnings for Tree-IL
-;; Copyright (C) 2001,2008-2014,2016,2018-2022 Free Software Foundation, Inc.
+;; Copyright (C) 2001,2008-2014,2016,2018-2023 Free Software Foundation, Inc.
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@@ -334,6 +334,139 @@ given `tree-il' element."
(make-reference-graph vlist-null vlist-null #f))))
+\f
+;;;
+;;; Unused module analysis.
+;;;
+
+;; Module uses and references to bindings of imported modules.
+(define-record-type <module-info>
+ (module-info location qualified-references
+ toplevel-references toplevel-definitions)
+ module-info?
+ (location module-info-location) ;location vector | #f
+ (qualified-references module-info-qualified-references) ;module name vhash
+ (toplevel-references module-info-toplevel-references) ;list of symbols
+ (toplevel-definitions module-info-toplevel-definitions)) ;symbol vhash
+
+(define unused-module-analysis
+ ;; Report unused modules in the given tree.
+ (make-tree-analysis
+ (lambda (x info env locs)
+ ;; Going down into X: extend INFO accordingly.
+ (match x
+ ((or ($ <module-ref> loc module name)
+ ($ <module-set> loc module name))
+ (let ((references (module-info-qualified-references info)))
+ (if (vhash-assoc module references)
+ info
+ (module-info (module-info-location info)
+ (vhash-cons module #t references)
+ (module-info-toplevel-references info)
+ (module-info-toplevel-definitions info)))))
+ ((or ($ <toplevel-ref> loc module name)
+ ($ <toplevel-set> loc module name))
+ (if (equal? module (module-name env))
+ (let ((references (module-info-toplevel-references info)))
+ (module-info (module-info-location info)
+ (module-info-qualified-references info)
+ (cons x references)
+ (module-info-toplevel-definitions info)))
+ (let ((references (module-info-qualified-references info)))
+ (module-info (module-info-location info)
+ (vhash-cons module #t references)
+ (module-info-toplevel-references info)
+ (module-info-toplevel-definitions info)))))
+ (($ <toplevel-define> loc module name)
+ (module-info (module-info-location info)
+ (module-info-qualified-references info)
+ (module-info-toplevel-references info)
+ (vhash-consq name x
+ (module-info-toplevel-definitions info))))
+
+ ;; Record the approximate location of the module import. We
+ ;; could parse the #:imports arguments to determine the location
+ ;; of each #:use-module but we'll leave that as an exercise for
+ ;; the reader.
+ (($ <call> loc ($ <module-ref> _ '(guile) 'define-module*))
+ (module-info loc
+ (module-info-qualified-references info)
+ (module-info-toplevel-references info)
+ (module-info-toplevel-definitions info)))
+ (($ <call> loc ($ <module-ref> _ '(guile) 'process-use-modules))
+ (module-info loc
+ (module-info-qualified-references info)
+ (module-info-toplevel-references info)
+ (module-info-toplevel-definitions info)))
+
+ (_
+ info)))
+
+ (lambda (x info env locs) ;leaving X's scope
+ info)
+
+ (lambda (info env) ;finishing
+ (define (defining-module ref env)
+ ;; Return the name of the module that defines REF, a
+ ;; <toplevel-ref> or <toplevel-set>, in ENV.
+ (let ((name (if (toplevel-ref? ref)
+ (toplevel-ref-name ref)
+ (toplevel-set-name ref))))
+ (match (vhash-assq name (module-info-toplevel-definitions info))
+ (#f
+ ;; NAME is not among the top-level definitions of this
+ ;; compilation unit, so check which module provides it.
+ (and=> (module-variable env name)
+ (lambda (variable)
+ (and=> (find (lambda (module)
+ (module-reverse-lookup module variable))
+ (module-uses env))
+ module-name))))
+ (_
+ (if (toplevel-ref? ref)
+ (toplevel-ref-mod ref)
+ (toplevel-set-mod ref))))))
+
+ (define (module-exports-macros? module)
+ ;; Return #t if MODULE exports one or more macros.
+ (let ((tag (make-prompt-tag "return")))
+ (call-with-prompt tag
+ (lambda ()
+ (module-for-each (lambda (symbol variable)
+ (when (and (variable-bound? variable)
+ (macro?
+ (variable-ref variable)))
+ (abort-to-prompt tag #t)))
+ module)
+ #f)
+ (lambda (k exports-macros?)
+ exports-macros?))))
+
+ (let ((used-modules ;list of modules actually used
+ (fold (lambda (reference modules)
+ (let ((module (defining-module reference env)))
+ (if (or (not module) (vhash-assoc module modules))
+ modules
+ (vhash-cons module #t modules))))
+ (module-info-qualified-references info)
+ (module-info-toplevel-references info))))
+
+ ;; Compare the modules imported by ENV with USED-MODULES, which
+ ;; is the list of modules actually referenced.
+ (for-each (lambda (module)
+ (unless (vhash-assoc (module-name module) used-modules)
+ ;; If MODULE exports macros, and if the expansion
+ ;; of those macros doesn't contain <module-ref>s
+ ;; inside MODULE, then we cannot conclude whether
+ ;; or not MODULE is used.
+ (warning 'unused-module
+ (module-info-location info)
+ (module-name module)
+ (not (module-exports-macros? module)))))
+ (module-uses env))))
+
+ (module-info #f vlist-null '() vlist-null)))
+
\f
;;;
;;; Shadowed top-level definition analysis.
@@ -1268,6 +1401,8 @@ resort, return #t when EXP refers to the global variable SPECIAL-NAME."
#:level 3 #:kind unused-variable #:analysis unused-variable-analysis)
(define-analysis make-unused-toplevel-analysis
#:level 2 #:kind unused-toplevel #:analysis unused-toplevel-analysis)
+(define-analysis make-unused-module-analysis
+ #:level 2 #:kind unused-module #:analysis unused-module-analysis)
(define-analysis make-shadowed-toplevel-analysis
#:level 2 #:kind shadowed-toplevel #:analysis shadowed-toplevel-analysis)
(define-analysis make-arity-analysis
@@ -1287,6 +1422,7 @@ resort, return #t when EXP refers to the global variable SPECIAL-NAME."
(analysis (cons analysis tail)))))))
(let ((analyses (compute-analyses make-unused-variable-analysis
make-unused-toplevel-analysis
+ make-unused-module-analysis
make-shadowed-toplevel-analysis
make-arity-analysis
make-format-analysis
diff --git a/module/system/base/message.scm b/module/system/base/message.scm
index 869afa783..92ec0389d 100644
--- a/module/system/base/message.scm
+++ b/module/system/base/message.scm
@@ -1,6 +1,6 @@
;;; User interface messages
-;; Copyright (C) 2009-2012,2016,2018,2020-2021 Free Software Foundation, Inc.
+;; Copyright (C) 2009-2012,2016,2018,2020-2021,2023 Free Software Foundation, Inc.
;;; This library is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU Lesser General Public License as published by
@@ -115,6 +115,15 @@
(emit port "~A: warning: possibly unused local top-level variable `~A'~%"
loc name)))
+ (unused-module
+ "report unused modules"
+ ,(lambda (port loc name definitely-unused?)
+ (if definitely-unused?
+ (emit port "~A: warning: unused module ~a~%"
+ loc name)
+ (emit port "~A: warning: possibly unused module ~a~%"
+ loc name))))
+
(shadowed-toplevel
"report shadowed top-level variables"
,(lambda (port loc name previous-loc)
diff --git a/test-suite/tests/tree-il.test b/test-suite/tests/tree-il.test
index b296be336..b64d6fcfc 100644
--- a/test-suite/tests/tree-il.test
+++ b/test-suite/tests/tree-il.test
@@ -1,7 +1,7 @@
;;;; tree-il.test --- test suite for compiling tree-il -*- scheme -*-
;;;; Andy Wingo <wingo@pobox.com> --- May 2009
;;;;
-;;;; Copyright (C) 2009-2014,2018-2021 Free Software Foundation, Inc.
+;;;; Copyright (C) 2009-2014,2018-2021,2023 Free Software Foundation, Inc.
;;;;
;;;; This library is free software; you can redistribute it and/or
;;;; modify it under the terms of the GNU Lesser General Public
@@ -217,6 +217,9 @@
(define %opts-w-unused-toplevel
'(#:warnings (unused-toplevel)))
+(define %opts-w-unused-module
+ '(#:warnings (unused-module)))
+
(define %opts-w-shadowed-toplevel
'(#:warnings (shadowed-toplevel)))
@@ -414,6 +417,142 @@
#:to 'cps
#:opts %opts-w-unused-toplevel))))))
+ (with-test-prefix "unused-module"
+
+ (pass-if-equal "quiet"
+ '()
+ (call-with-warnings
+ (lambda ()
+ (compile '(begin
+ (use-modules (ice-9 popen))
+ (define (proc cmd)
+ (open-input-pipe cmd)))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module))))
+
+ (pass-if-equal "quiet, renamer"
+ '()
+ (call-with-warnings
+ (lambda ()
+ (compile '(begin
+ (use-modules ((ice-9 popen) #:prefix p-))
+ (define (proc cmd)
+ (p-open-input-pipe cmd)))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module))))
+
+ (pass-if "definitely unused"
+ (let* ((defmod '(define-module (foo)
+ #:use-module (ice-9 vlist)
+ #:use-module (ice-9 popen)
+ #:export (proc)))
+ (w (call-with-warnings
+ (lambda ()
+ (set-source-properties! defmod
+ '((filename . "foo.scm")
+ (line . 0)
+ (column . 0)))
+ (compile `(begin
+ ,defmod
+ (define (frob x)
+ (vlist-cons x vlist-null)))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module)))))
+ (and (= (length w) 1)
+ (string-prefix? "foo.scm:1:0" (car w))
+ (number? (string-contains (car w)
+ "unused module (ice-9 popen)")))))
+
+ (pass-if "definitely unused, use-modules"
+ (let* ((usemod '(use-modules (rnrs bytevectors)
+ (ice-9 q)))
+ (w (call-with-warnings
+ (lambda ()
+ (set-source-properties! usemod
+ '((filename . "bar.scm")
+ (line . 5)
+ (column . 0)))
+ (compile `(begin
+ ,usemod
+ (define (square x)
+ (* x x)))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module)))))
+ (and (= (length w) 2)
+ (string-prefix? "bar.scm:6:0" (car w))
+ (number? (string-contains (car w)
+ "unused module (rnrs bytevectors)"))
+ (number? (string-contains (cadr w)
+ "unused module (ice-9 q)")))))
+
+ (pass-if "definitely unused, local binding shadows imported one"
+ (let ((w (call-with-warnings
+ (lambda ()
+ (compile `(begin
+ (define-module (whatever x y z)
+ #:use-module (ice-9 popen)
+ #:export (frob))
+
+ (define (open-input-pipe x)
+ ;; Shadows the one from (ice-9 popen).
+ x)
+ (define (frob y)
+ (close-port (open-input-pipe y))))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module)))))
+ (and (= (length w) 1)
+ (number? (string-contains (car w)
+ "unused module (ice-9 popen)")))))
+
+ (pass-if-equal "(ice-9 match) is actually used"
+ '()
+ ;; (ice-9 match) is used and the macro expansion of the 'match'
+ ;; form refers to (@@ (ice-9 match) car) and the likes.
+ (call-with-warnings
+ (lambda ()
+ (compile '(begin
+ (use-modules (ice-9 match))
+ (define (proc lst)
+ (match lst
+ ((a b c) (+ a (* b c))))))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module))))
+
+ (pass-if "(srfi srfi-26) might be unused"
+ ;; At the tree-il level, it is impossible to know whether (srfi
+ ;; srfi-26) is actually use, because all we see is the output of
+ ;; macro expansion, and in this case it doesn't capture any
+ ;; binding from (srfi srfi-26).
+ (let* ((w (call-with-warnings
+ (lambda ()
+ (compile `(begin
+ (define-module (whatever)
+ #:use-module (srfi srfi-26)
+ #:export (square))
+ (define double
+ (cut * 2 <>)))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module)))))
+ (and (= (length w) 1)
+ (number? (string-contains (car w)
+ "possibly unused module (srfi srfi-26)")))))
+
+ (pass-if-equal "(ice-9 format) is actually used"
+ '()
+ ;; The 'format' binding of (ice-9 format) takes precedence over
+ ;; (@@ (guile) format), so (ice-9 format) must not be reported as
+ ;; unused.
+ (call-with-warnings
+ (lambda ()
+ (compile '(begin
+ (define-module (whatever-else)
+ #:use-module (ice-9 format)
+ #:export (proc))
+ (define (proc lst)
+ (format #f "~{~a ~}~%" lst)))
+ #:env (make-fresh-user-module)
+ #:opts %opts-w-unused-module)))))
+
(with-test-prefix "shadowed-toplevel"
(pass-if "quiet"
--
2.39.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 2/3] Add 'record-case' to '.dir-locals.el'.
2023-02-11 23:32 ` [PATCH 0/3] Add '-Wunused-module' Ludovic Courtès
2023-02-11 23:32 ` [PATCH 1/3] Add -Wunused-module Ludovic Courtès
@ 2023-02-11 23:32 ` Ludovic Courtès
2023-02-11 23:32 ` [PATCH 3/3] Remove unnecessary module imports Ludovic Courtès
2 siblings, 0 replies; 6+ messages in thread
From: Ludovic Courtès @ 2023-02-11 23:32 UTC (permalink / raw)
To: guile-devel; +Cc: guix-devel, Ludovic Courtès
* module/language/tree-il/fix-letrec.scm (fix-letrec): Remove "Local
Variables" bit.
* .dir-locals.el (scheme-mode): Add 'record-case'.
---
.dir-locals.el | 1 +
module/language/tree-il/fix-letrec.scm | 4 ----
2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/.dir-locals.el b/.dir-locals.el
index 90257e7bf..908670479 100644
--- a/.dir-locals.el
+++ b/.dir-locals.el
@@ -47,6 +47,7 @@
(eval . (put '$letrec 'scheme-indent-function 3))
(eval . (put '$kclause 'scheme-indent-function 1))
(eval . (put '$fun 'scheme-indent-function 1))
+ (eval . (put 'record-case 'scheme-indent-function 1))
(eval . (put 'syntax-parameterize 'scheme-indent-function 1))))
(emacs-lisp-mode . ((indent-tabs-mode . nil)))
(texinfo-mode . ((indent-tabs-mode . nil)
diff --git a/module/language/tree-il/fix-letrec.scm b/module/language/tree-il/fix-letrec.scm
index 2cd550ae9..12c1d500a 100644
--- a/module/language/tree-il/fix-letrec.scm
+++ b/module/language/tree-il/fix-letrec.scm
@@ -318,7 +318,3 @@
(else x)))
x)))
-
-;;; Local Variables:
-;;; eval: (put 'record-case 'scheme-indent-function 1)
-;;; End:
--
2.39.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 3/3] Remove unnecessary module imports.
2023-02-11 23:32 ` [PATCH 0/3] Add '-Wunused-module' Ludovic Courtès
2023-02-11 23:32 ` [PATCH 1/3] Add -Wunused-module Ludovic Courtès
2023-02-11 23:32 ` [PATCH 2/3] Add 'record-case' to '.dir-locals.el' Ludovic Courtès
@ 2023-02-11 23:32 ` Ludovic Courtès
2 siblings, 0 replies; 6+ messages in thread
From: Ludovic Courtès @ 2023-02-11 23:32 UTC (permalink / raw)
To: guile-devel; +Cc: guix-devel, Ludovic Courtès
These were found with:
make GUILE_WARNINGS='-W1 -Wunused-module'
* module/ice-9/copy-tree.scm:
* module/ice-9/eval-string.scm:
* module/ice-9/getopt-long.scm:
* module/ice-9/poll.scm:
* module/ice-9/popen.scm:
* module/ice-9/sandbox.scm:
* module/ice-9/threads.scm:
* module/sxml/apply-templates.scm:
* module/sxml/simple.scm:
* module/system/base/types.scm:
* module/system/repl/command.scm:
* module/system/repl/common.scm:
* module/system/repl/coop-server.scm:
* module/system/repl/debug.scm:
* module/system/repl/error-handling.scm:
* module/system/repl/repl.scm:
* module/system/repl/server.scm:
* module/system/vm/assembler.scm:
* module/system/vm/disassembler.scm:
* module/system/vm/dwarf.scm:
* module/system/vm/elf.scm:
* module/system/vm/frame.scm:
* module/system/vm/inspect.scm:
* module/system/vm/linker.scm:
* module/system/vm/program.scm:
* module/system/vm/trace.scm:
* module/system/vm/trap-state.scm:
* module/system/vm/traps.scm:
* module/system/xref.scm:
* module/texinfo/indexing.scm:
* module/texinfo/plain-text.scm:
* module/texinfo/reflection.scm:
* module/texinfo/string-utils.scm:
* module/web/client.scm:
* module/web/http.scm:
* module/web/request.scm:
* module/web/response.scm: Remove imports of unused modules.
---
module/ice-9/copy-tree.scm | 1 -
module/ice-9/eval-string.scm | 1 -
module/ice-9/getopt-long.scm | 1 -
module/ice-9/poll.scm | 1 -
module/ice-9/popen.scm | 1 -
module/ice-9/sandbox.scm | 1 -
module/ice-9/threads.scm | 1 -
module/sxml/apply-templates.scm | 2 --
module/sxml/simple.scm | 1 -
module/system/base/types.scm | 1 -
module/system/repl/command.scm | 3 ---
module/system/repl/common.scm | 2 --
module/system/repl/coop-server.scm | 1 -
module/system/repl/debug.scm | 6 ------
module/system/repl/error-handling.scm | 1 -
module/system/repl/repl.scm | 4 ----
module/system/repl/server.scm | 1 -
module/system/vm/assembler.scm | 2 --
module/system/vm/disassembler.scm | 2 --
module/system/vm/dwarf.scm | 2 --
module/system/vm/elf.scm | 2 --
module/system/vm/frame.scm | 2 --
module/system/vm/inspect.scm | 5 -----
module/system/vm/linker.scm | 2 --
module/system/vm/program.scm | 1 -
module/system/vm/trace.scm | 3 ---
module/system/vm/trap-state.scm | 1 -
module/system/vm/traps.scm | 2 --
module/system/xref.scm | 1 -
module/texinfo/indexing.scm | 1 -
module/texinfo/plain-text.scm | 3 ---
module/texinfo/reflection.scm | 2 --
module/texinfo/string-utils.scm | 2 --
module/web/client.scm | 3 ---
module/web/http.scm | 2 --
module/web/request.scm | 1 -
module/web/response.scm | 2 --
37 files changed, 70 deletions(-)
diff --git a/module/ice-9/copy-tree.scm b/module/ice-9/copy-tree.scm
index e1d91ad9e..004167821 100644
--- a/module/ice-9/copy-tree.scm
+++ b/module/ice-9/copy-tree.scm
@@ -23,7 +23,6 @@
(define-module (ice-9 copy-tree)
- #:use-module (ice-9 match)
#:use-module (srfi srfi-11)
#:replace (copy-tree))
diff --git a/module/ice-9/eval-string.scm b/module/ice-9/eval-string.scm
index 789980938..ea0f17777 100644
--- a/module/ice-9/eval-string.scm
+++ b/module/ice-9/eval-string.scm
@@ -21,7 +21,6 @@
(define-module (ice-9 eval-string)
#:use-module (system base compile)
#:use-module (system base language)
- #:use-module (system vm program)
#:use-module (system vm loader)
#:replace (eval-string))
diff --git a/module/ice-9/getopt-long.scm b/module/ice-9/getopt-long.scm
index 14eaf8e23..18b235390 100644
--- a/module/ice-9/getopt-long.scm
+++ b/module/ice-9/getopt-long.scm
@@ -161,7 +161,6 @@
#:use-module (srfi srfi-9)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
- #:use-module (ice-9 optargs)
#:export (getopt-long option-ref))
(define %program-name (make-fluid "guile"))
diff --git a/module/ice-9/poll.scm b/module/ice-9/poll.scm
index 57b5047ab..2688270ac 100644
--- a/module/ice-9/poll.scm
+++ b/module/ice-9/poll.scm
@@ -19,7 +19,6 @@
(define-module (ice-9 poll)
#:use-module (srfi srfi-9)
- #:use-module (srfi srfi-9 gnu)
#:use-module (rnrs bytevectors)
#:export (make-empty-poll-set
poll-set?
diff --git a/module/ice-9/popen.scm b/module/ice-9/popen.scm
index e638726a4..957cde0aa 100644
--- a/module/ice-9/popen.scm
+++ b/module/ice-9/popen.scm
@@ -19,7 +19,6 @@
;;;;
(define-module (ice-9 popen)
- #:use-module (rnrs bytevectors)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 threads)
#:use-module (srfi srfi-1)
diff --git a/module/ice-9/sandbox.scm b/module/ice-9/sandbox.scm
index fcfc57365..601485cce 100644
--- a/module/ice-9/sandbox.scm
+++ b/module/ice-9/sandbox.scm
@@ -21,7 +21,6 @@
;;; Code:
(define-module (ice-9 sandbox)
- #:use-module (ice-9 control)
#:use-module (ice-9 match)
#:use-module ((ice-9 threads) #:select (current-thread))
#:use-module (system vm vm)
diff --git a/module/ice-9/threads.scm b/module/ice-9/threads.scm
index c42bd266f..5a13cec1d 100644
--- a/module/ice-9/threads.scm
+++ b/module/ice-9/threads.scm
@@ -31,7 +31,6 @@
(define-module (ice-9 threads)
#:use-module (ice-9 match)
- #:use-module (ice-9 control)
;; These bindings are marked as #:replace because when deprecated code
;; is enabled, (ice-9 deprecated) also exports these names.
;; (Referencing one of the deprecated names prints a warning directing
diff --git a/module/sxml/apply-templates.scm b/module/sxml/apply-templates.scm
index 0ee27477c..dd2742397 100644
--- a/module/sxml/apply-templates.scm
+++ b/module/sxml/apply-templates.scm
@@ -49,9 +49,7 @@
;;; Code:
(define-module (sxml apply-templates)
- #:use-module (sxml ssax)
#:use-module ((sxml xpath) :hide (filter))
-
#:export (apply-templates))
(define (apply-templates tree templates)
diff --git a/module/sxml/simple.scm b/module/sxml/simple.scm
index 703ad9137..57fccbc9c 100644
--- a/module/sxml/simple.scm
+++ b/module/sxml/simple.scm
@@ -30,7 +30,6 @@
#:use-module (sxml ssax)
#:use-module (sxml transform)
#:use-module (ice-9 match)
- #:use-module (srfi srfi-13)
#:export (xml->sxml sxml->xml sxml->string))
;; Helpers from upstream/SSAX.scm.
diff --git a/module/system/base/types.scm b/module/system/base/types.scm
index b63febff8..7ed038d3a 100644
--- a/module/system/base/types.scm
+++ b/module/system/base/types.scm
@@ -20,7 +20,6 @@
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-9 gnu)
- #:use-module (srfi srfi-11)
#:use-module (srfi srfi-26)
#:use-module (srfi srfi-60)
#:use-module (ice-9 match)
diff --git a/module/system/repl/command.scm b/module/system/repl/command.scm
index 0024fd165..74187270a 100644
--- a/module/system/repl/command.scm
+++ b/module/system/repl/command.scm
@@ -20,7 +20,6 @@
;;; Code:
(define-module (system repl command)
- #:use-module (system base syntax)
#:use-module (system base pmatch)
#:autoload (system base compile) (compile-file)
#:use-module (system repl common)
@@ -31,14 +30,12 @@
#:use-module (system vm loader)
#:use-module (system vm program)
#:use-module (system vm trap-state)
- #:use-module (system vm vm)
#:autoload (system base language) (lookup-language language-reader
language-title language-name)
#:autoload (system vm trace) (call-with-trace)
#:use-module (ice-9 format)
#:use-module (ice-9 session)
#:use-module (ice-9 documentation)
- #:use-module (ice-9 and-let-star)
#:use-module (ice-9 rdelim)
#:use-module (ice-9 control)
#:use-module ((ice-9 pretty-print) #:select ((pretty-print . pp)))
diff --git a/module/system/repl/common.scm b/module/system/repl/common.scm
index 8c5426d37..59b5c494a 100644
--- a/module/system/repl/common.scm
+++ b/module/system/repl/common.scm
@@ -22,8 +22,6 @@
#:use-module (system base syntax)
#:use-module (system base compile)
#:use-module (system base language)
- #:use-module (system base message)
- #:use-module (system vm program)
#:use-module (system vm loader)
#:use-module (ice-9 control)
#:use-module (ice-9 copy-tree)
diff --git a/module/system/repl/coop-server.scm b/module/system/repl/coop-server.scm
index c29bbd645..aaab44f6e 100644
--- a/module/system/repl/coop-server.scm
+++ b/module/system/repl/coop-server.scm
@@ -21,7 +21,6 @@
(define-module (system repl coop-server)
#:use-module (ice-9 match)
- #:use-module (ice-9 receive)
#:use-module (ice-9 threads)
#:use-module (ice-9 q)
#:use-module (srfi srfi-9)
diff --git a/module/system/repl/debug.scm b/module/system/repl/debug.scm
index 383d37921..c83241340 100644
--- a/module/system/repl/debug.scm
+++ b/module/system/repl/debug.scm
@@ -19,17 +19,11 @@
;;; Code:
(define-module (system repl debug)
- #:use-module (system base pmatch)
#:use-module (system base syntax)
- #:use-module (system base language)
- #:use-module (system vm vm)
#:use-module (system vm frame)
#:use-module (system vm debug)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
- #:use-module (ice-9 rdelim)
- #:use-module (ice-9 pretty-print)
- #:use-module ((system vm inspect) #:select ((inspect . %inspect)))
#:use-module (system vm program)
#:export (<debug>
make-debug debug?
diff --git a/module/system/repl/error-handling.scm b/module/system/repl/error-handling.scm
index 8d5a8a5f0..c12ca6f4a 100644
--- a/module/system/repl/error-handling.scm
+++ b/module/system/repl/error-handling.scm
@@ -20,7 +20,6 @@
;;; Code:
(define-module (system repl error-handling)
- #:use-module (system base pmatch)
#:use-module (system vm trap-state)
#:use-module (system repl debug)
#:use-module (ice-9 format)
diff --git a/module/system/repl/repl.scm b/module/system/repl/repl.scm
index 5b27125f1..d83d28759 100644
--- a/module/system/repl/repl.scm
+++ b/module/system/repl/repl.scm
@@ -21,11 +21,7 @@
;;; Code:
(define-module (system repl repl)
- #:use-module (system base syntax)
- #:use-module (system base pmatch)
- #:use-module (system base compile)
#:use-module (system base language)
- #:use-module (system vm vm)
#:use-module (system repl error-handling)
#:use-module (system repl common)
#:use-module (system repl command)
diff --git a/module/system/repl/server.scm b/module/system/repl/server.scm
index 7a04affe9..9a8f51c5b 100644
--- a/module/system/repl/server.scm
+++ b/module/system/repl/server.scm
@@ -27,7 +27,6 @@
#:use-module (ice-9 iconv)
#:use-module (rnrs bytevectors)
#:use-module (ice-9 binary-ports)
- #:use-module (srfi srfi-1)
#:use-module (srfi srfi-26) ; cut
#:export (make-tcp-server-socket
make-unix-domain-server-socket
diff --git a/module/system/vm/assembler.scm b/module/system/vm/assembler.scm
index 165976363..33f3018f6 100644
--- a/module/system/vm/assembler.scm
+++ b/module/system/vm/assembler.scm
@@ -51,12 +51,10 @@
#:use-module (system syntax internal)
#:use-module (language bytecode)
#:use-module (rnrs bytevectors)
- #:use-module (rnrs bytevectors gnu)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 vlist)
#:use-module (ice-9 match)
#:use-module (srfi srfi-1)
- #:use-module (srfi srfi-4)
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-11)
#:export (make-assembler
diff --git a/module/system/vm/disassembler.scm b/module/system/vm/disassembler.scm
index 2c9755ab9..ac1d21639 100644
--- a/module/system/vm/disassembler.scm
+++ b/module/system/vm/disassembler.scm
@@ -29,9 +29,7 @@
#:use-module (rnrs bytevectors)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
- #:use-module (ice-9 vlist)
#:use-module (srfi srfi-1)
- #:use-module (srfi srfi-4)
#:export (disassemble-program
fold-program-code
disassemble-image
diff --git a/module/system/vm/dwarf.scm b/module/system/vm/dwarf.scm
index f3e45c758..587906c9e 100644
--- a/module/system/vm/dwarf.scm
+++ b/module/system/vm/dwarf.scm
@@ -71,8 +71,6 @@
(define-module (system vm dwarf)
#:use-module (rnrs bytevectors)
- #:use-module (system foreign)
- #:use-module (system base target)
#:use-module (system vm elf)
#:use-module ((srfi srfi-1) #:select (fold))
#:use-module (srfi srfi-9)
diff --git a/module/system/vm/elf.scm b/module/system/vm/elf.scm
index 6ee62f129..8cd142bbe 100644
--- a/module/system/vm/elf.scm
+++ b/module/system/vm/elf.scm
@@ -36,8 +36,6 @@
#:use-module (system foreign)
#:use-module (system base target)
#:use-module (srfi srfi-9)
- #:use-module (ice-9 receive)
- #:use-module (ice-9 vlist)
#:export (has-elf-header?
(make-elf* . make-elf)
diff --git a/module/system/vm/frame.scm b/module/system/vm/frame.scm
index 6b14fc62a..9218bf3b2 100644
--- a/module/system/vm/frame.scm
+++ b/module/system/vm/frame.scm
@@ -19,8 +19,6 @@
;;; Code:
(define-module (system vm frame)
- #:use-module (system base pmatch)
- #:use-module (system foreign)
#:use-module (system vm program)
#:use-module (system vm debug)
#:use-module (system vm disassembler)
diff --git a/module/system/vm/inspect.scm b/module/system/vm/inspect.scm
index 1f6d99d19..4825fa234 100644
--- a/module/system/vm/inspect.scm
+++ b/module/system/vm/inspect.scm
@@ -19,12 +19,7 @@
;;; Code:
(define-module (system vm inspect)
- #:use-module (system base pmatch)
- #:use-module (system base syntax)
- #:use-module (system vm vm)
- #:use-module (system vm frame)
#:use-module (system vm disassembler)
- #:use-module (ice-9 rdelim)
#:use-module (ice-9 pretty-print)
#:use-module (ice-9 format)
#:use-module (system vm program)
diff --git a/module/system/vm/linker.scm b/module/system/vm/linker.scm
index e126cfb0d..cf213323e 100644
--- a/module/system/vm/linker.scm
+++ b/module/system/vm/linker.scm
@@ -67,9 +67,7 @@
(define-module (system vm linker)
#:use-module (rnrs bytevectors)
#:use-module (rnrs bytevectors gnu)
- #:use-module (system foreign)
#:use-module (system base target)
- #:use-module ((srfi srfi-1) #:select (append-map))
#:use-module (srfi srfi-9)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 receive)
diff --git a/module/system/vm/program.scm b/module/system/vm/program.scm
index e5dbcc089..4858d5158 100644
--- a/module/system/vm/program.scm
+++ b/module/system/vm/program.scm
@@ -21,7 +21,6 @@
(define-module (system vm program)
#:use-module (ice-9 match)
#:use-module (system vm debug)
- #:use-module (rnrs bytevectors)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (source:addr source:line source:column source:file
diff --git a/module/system/vm/trace.scm b/module/system/vm/trace.scm
index 54840d8fd..c1eaffa9c 100644
--- a/module/system/vm/trace.scm
+++ b/module/system/vm/trace.scm
@@ -19,12 +19,9 @@
;;; Code:
(define-module (system vm trace)
- #:use-module (system base syntax)
#:use-module (system vm vm)
#:use-module (system vm frame)
- #:use-module (system vm program)
#:use-module (system vm traps)
- #:use-module (rnrs bytevectors)
#:use-module (ice-9 format)
#:export (trace-calls-in-procedure
trace-calls-to-procedure
diff --git a/module/system/vm/trap-state.scm b/module/system/vm/trap-state.scm
index 464740bcd..ba4cc6b31 100644
--- a/module/system/vm/trap-state.scm
+++ b/module/system/vm/trap-state.scm
@@ -26,7 +26,6 @@
#:use-module (system vm vm)
#:use-module (system vm traps)
#:use-module (system vm trace)
- #:use-module (system vm frame)
#:use-module (system vm program)
#:export (add-trap!
list-traps
diff --git a/module/system/vm/traps.scm b/module/system/vm/traps.scm
index 76be8d7d3..cd0e13cc9 100644
--- a/module/system/vm/traps.scm
+++ b/module/system/vm/traps.scm
@@ -58,10 +58,8 @@
#:use-module (ice-9 match)
#:use-module (system vm vm)
#:use-module (system vm debug)
- #:use-module (system vm frame)
#:use-module (system vm program)
#:use-module (system xref)
- #:use-module (rnrs bytevectors)
#:export (trap-at-procedure-call
trap-in-procedure
trap-instructions-in-procedure
diff --git a/module/system/xref.scm b/module/system/xref.scm
index e335f9481..104bf3edf 100644
--- a/module/system/xref.scm
+++ b/module/system/xref.scm
@@ -17,7 +17,6 @@
\f
(define-module (system xref)
- #:use-module (system base compile)
#:use-module (system vm program)
#:use-module (system vm disassembler)
#:use-module (ice-9 match)
diff --git a/module/texinfo/indexing.scm b/module/texinfo/indexing.scm
index d7d10cd69..c77013d7d 100644
--- a/module/texinfo/indexing.scm
+++ b/module/texinfo/indexing.scm
@@ -29,7 +29,6 @@
(define-module (texinfo indexing)
#:use-module (sxml simple)
- #:use-module (srfi srfi-13)
#:export (stexi-extract-index))
(define defines
diff --git a/module/texinfo/plain-text.scm b/module/texinfo/plain-text.scm
index 5ea99c86b..666df74f5 100644
--- a/module/texinfo/plain-text.scm
+++ b/module/texinfo/plain-text.scm
@@ -26,11 +26,8 @@
;;; Code:
(define-module (texinfo plain-text)
- #:use-module (texinfo)
#:use-module (texinfo string-utils)
- #:use-module (sxml transform)
#:use-module (srfi srfi-1)
- #:use-module (srfi srfi-13)
#:use-module (ice-9 match)
#:export (stexi->plain-text
*line-width*))
diff --git a/module/texinfo/reflection.scm b/module/texinfo/reflection.scm
index 50cb2ab05..4ff11995c 100644
--- a/module/texinfo/reflection.scm
+++ b/module/texinfo/reflection.scm
@@ -33,10 +33,8 @@
#:use-module (oop goops)
#:use-module (texinfo)
#:use-module (texinfo plain-text)
- #:use-module (srfi srfi-13)
#:use-module (ice-9 session)
#:use-module (ice-9 documentation)
- #:use-module (ice-9 optargs)
#:use-module ((sxml transform) #:select (pre-post-order))
#:export (module-stexi-documentation
script-stexi-documentation
diff --git a/module/texinfo/string-utils.scm b/module/texinfo/string-utils.scm
index 42074d334..0d2c994d7 100644
--- a/module/texinfo/string-utils.scm
+++ b/module/texinfo/string-utils.scm
@@ -24,8 +24,6 @@
;;; Code:
(define-module (texinfo string-utils)
- #:use-module (srfi srfi-13)
- #:use-module (srfi srfi-14)
#:export (escape-special-chars
transform-string
expand-tabs
diff --git a/module/web/client.scm b/module/web/client.scm
index a08c4203c..6c54c5021 100644
--- a/module/web/client.scm
+++ b/module/web/client.scm
@@ -36,7 +36,6 @@
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 copy-tree)
#:use-module (ice-9 iconv)
- #:use-module (ice-9 rdelim)
#:use-module (web request)
#:use-module (web response)
#:use-module (web uri)
@@ -45,8 +44,6 @@
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-9 gnu)
#:use-module (srfi srfi-26)
- #:use-module ((rnrs io ports)
- #:prefix rnrs-ports:)
#:use-module (ice-9 match)
#:autoload (ice-9 ftw) (scandir)
#:export (current-http-proxy
diff --git a/module/web/http.scm b/module/web/http.scm
index 29736f2eb..94f9c7ea8 100644
--- a/module/web/http.scm
+++ b/module/web/http.scm
@@ -30,7 +30,6 @@
;;; Code:
(define-module (web http)
- #:use-module ((srfi srfi-1) #:select (append-map! map!))
#:use-module (srfi srfi-9)
#:use-module (srfi srfi-19)
#:use-module (ice-9 rdelim)
@@ -39,7 +38,6 @@
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 textual-ports)
#:use-module (ice-9 exceptions)
- #:use-module (rnrs bytevectors)
#:use-module (web uri)
#:export (string->header
header->string
diff --git a/module/web/request.scm b/module/web/request.scm
index eea32e9ce..ff4b94485 100644
--- a/module/web/request.scm
+++ b/module/web/request.scm
@@ -23,7 +23,6 @@
#:use-module (rnrs bytevectors)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 textual-ports)
- #:use-module (ice-9 rdelim)
#:use-module (srfi srfi-9)
#:use-module (web uri)
#:use-module (web http)
diff --git a/module/web/response.scm b/module/web/response.scm
index 06e1c6dc1..4ac4d74ca 100644
--- a/module/web/response.scm
+++ b/module/web/response.scm
@@ -20,10 +20,8 @@
;;; Code:
(define-module (web response)
- #:use-module (rnrs bytevectors)
#:use-module (ice-9 binary-ports)
#:use-module (ice-9 textual-ports)
- #:use-module (ice-9 rdelim)
#:use-module (ice-9 match)
#:use-module (srfi srfi-9)
#:use-module (web http)
--
2.39.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2023-02-11 23:34 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-02-03 17:11 Reducing useless module imports Julien Lepiller
2023-02-04 14:12 ` Maxime Devos
2023-02-11 23:32 ` [PATCH 0/3] Add '-Wunused-module' Ludovic Courtès
2023-02-11 23:32 ` [PATCH 1/3] Add -Wunused-module Ludovic Courtès
2023-02-11 23:32 ` [PATCH 2/3] Add 'record-case' to '.dir-locals.el' Ludovic Courtès
2023-02-11 23:32 ` [PATCH 3/3] Remove unnecessary module imports Ludovic Courtès
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