Move the ‘declare’ form before the interactive spec in 10 functions.

* lisp/emacs-lisp/package.el (package-menu-hide-package):
* lisp/font-lock.el (font-lock-debug-fontify):
* lisp/image.el (image-jpeg-p):
* lisp/mail/flow-fill.el (fill-flowed-test):
* lisp/mh-e/mh-speed.el (mh-speed-toggle, mh-speed-view):
* lisp/progmodes/project.el (project-async-shell-command)
(project-shell-command, project-compile):
* lisp/progmodes/sh-script.el (sh-assignment):
Fix special forms to follow in this order: docstring, declare, interactive.

lisp/emacs-lisp/package.el

@@ -3260,9 +3260,9 @@ To unhide a package, type
 `\\[customize-variable] RET package-hidden-regexps'.
 
 Type \\[package-menu-toggle-hiding] to toggle package hiding."
+  (declare (interactive-only "change `package-hidden-regexps' instead."))
   (interactive)
   (package--ensure-package-menu-mode)
-  (declare (interactive-only "change `package-hidden-regexps' instead."))
   (let* ((name (when (derived-mode-p 'package-menu-mode)
                  (concat "\\`" (regexp-quote (symbol-name (package-desc-name
                                                            (tabulated-list-get-id))))

lisp/font-lock.el

@@ -1104,8 +1104,8 @@ Called with two arguments BEG and END.")
   "Reinitialize the font-lock machinery and (re-)fontify the buffer.
 This functions is a convenience functions when developing font
 locking for a mode, and is not meant to be called from lisp functions."
-  (interactive)
   (declare (interactive-only t))
+  (interactive)
   ;; Make font-lock recalculate all the mode-specific data.
   (setq font-lock-major-mode nil)
   ;; Make the syntax machinery discard all information.

lisp/image.el

@@ -264,9 +264,9 @@ compatibility with versions of Emacs that lack the variable
 ;; Used to be in image-type-header-regexps, but now not used anywhere
 ;; (since 2009-08-28).
 (defun image-jpeg-p (data)
-  (declare (obsolete "It is unused inside Emacs and will be removed." "27.1"))
   "Value is non-nil if DATA, a string, consists of JFIF image data.
 We accept the tag Exif because that is the same format."
+  (declare (obsolete "It is unused inside Emacs and will be removed." "27.1"))
   (setq data (ignore-errors (string-to-unibyte data)))
   (when (and data (string-match-p "\\`\xff\xd8" data))
     (catch 'jfif

lisp/mail/flow-fill.el

@@ -174,8 +174,8 @@ lines."
 (defvar fill-flowed-encode-tests)
 
 (defun fill-flowed-test ()
-  (interactive "")
   (declare (obsolete nil "27.1"))
+  (interactive "")
   (user-error (concat "This function is obsolete.  Please see "
                       "test/lisp/mail/flow-fill-tests.el "
                       "in the Emacs source tree")))

lisp/mh-e/mh-speed.el

@@ -128,8 +128,8 @@ With non-nil FORCE, the update is always carried out."
 (defun mh-speed-toggle (&rest ignored)
   "Toggle the display of child folders in the speedbar.
 The optional arguments from speedbar are IGNORED."
-  (interactive)
   (declare (ignore args))
+  (interactive)
   (beginning-of-line)
   (let ((parent (get-text-property (point) 'mh-folder))
         (kids-p (get-text-property (point) 'mh-children-p))
@@ -167,8 +167,8 @@ The optional arguments from speedbar are IGNORED."
 (defun mh-speed-view (&rest ignored)
   "Visits the selected folder just as if you had used \\<mh-folder-mode-map>\\[mh-visit-folder].
 The optional arguments from speedbar are IGNORED."
-  (interactive)
   (declare (ignore args))
+  (interactive)
   (let* ((folder (get-text-property (mh-line-beginning-position) 'mh-folder))
          (range (and (stringp folder)
                      (mh-read-range "Scan" folder t nil nil

lisp/progmodes/project.el

@@ -928,16 +928,16 @@ if one already exists."
 ;;;###autoload
 (defun project-async-shell-command ()
   "Run `async-shell-command' in the current project's root directory."
-  (interactive)
   (declare (interactive-only async-shell-command))
+  (interactive)
   (let ((default-directory (project-root (project-current t))))
     (call-interactively #'async-shell-command)))
 
 ;;;###autoload
 (defun project-shell-command ()
   "Run `shell-command' in the current project's root directory."
-  (interactive)
   (declare (interactive-only shell-command))
+  (interactive)
   (let ((default-directory (project-root (project-current t))))
     (call-interactively #'shell-command)))
 
@@ -974,8 +974,8 @@ loop using the command \\[fileloop-continue]."
 ;;;###autoload
 (defun project-compile ()
   "Run `compile' in the project root."
-  (interactive)
   (declare (interactive-only compile))
+  (interactive)
   (let ((default-directory (project-root (project-current t))))
     (call-interactively #'compile)))
 

lisp/progmodes/sh-script.el

@@ -2927,8 +2927,8 @@ option followed by a colon `:' if the option accepts an argument."
 (put 'sh-assignment 'delete-selection t)
 (defun sh-assignment (arg)
   "Remember preceding identifier for future completion and do self-insert."
-  (interactive "p")
   (declare (obsolete nil "27.1"))
+  (interactive "p")
   (self-insert-command arg)
   (sh--assignment-collect))