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* bug#54782: [PATCH] Update docstrings for shortdoc.el FUNC lisp form API
@ 2022-04-08  3:52 Kaushal Modi
  2022-04-08 13:17 ` Lars Ingebrigtsen
  0 siblings, 1 reply; 8+ messages in thread
From: Kaushal Modi @ 2022-04-08  3:52 UTC (permalink / raw)
  To: 54782, larsi

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Hello,

I have reading through the shortdoc documentation and in the process
ended up with these edits. Can someone please review this?

I have my copyright assigned and I have access to the Emacs git repo.
But I cannot access it via git/SSH protocol (due to technical reasons
at work). So once the patch is ready, I'll need someone's help to
commit it as well.

Thanks!

--
Kaushal Modi

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From 52cfc59b28571ba5c06084ac7c1f38f4a56dcc6f Mon Sep 17 00:00:00 2001
From: Kaushal Modi <kaushal.modi@gmail.com>
Date: Thu, 7 Apr 2022 15:15:58 -0400
Subject: [PATCH] Update docstrings for shortdoc.el FUNC lisp form API

* lisp/emacs-lisp/shortdoc.el (define-short-documentation-group)
(shortdoc-add-function): Updated docstrings.
---
 lisp/emacs-lisp/shortdoc.el | 71 +++++++++++++++++++++++++++++--------
 1 file changed, 57 insertions(+), 14 deletions(-)

diff --git a/lisp/emacs-lisp/shortdoc.el b/lisp/emacs-lisp/shortdoc.el
index 99035c9e89..6fd4d41564 100644
--- a/lisp/emacs-lisp/shortdoc.el
+++ b/lisp/emacs-lisp/shortdoc.el
@@ -47,30 +47,70 @@ define-short-documentation-group
   "Add GROUP to the list of defined documentation groups.
 FUNCTIONS is a list of elements on the form:
 
-  (fun
+  (FUNC
    :no-manual BOOL
    :args ARGS
-   :eval EXAMPLE-FORM
+   :eval EVAL
    :no-eval EXAMPLE-FORM
-   :no-eval* EXAMPLE-FORM
    :no-value EXAMPLE-FORM
+   :no-eval* EXAMPLE-FORM
    :result RESULT-FORM
-   :result-string RESULT-FORM
+   :result-string RESULT-STRING
    :eg-result RESULT-FORM
-   :eg-result-string RESULT-FORM)
+   :eg-result-string RESULT-STRING)
 
-BOOL should be non-nil if the function isn't documented in the
+FUNC is the function being documented.
+
+NO-MANUAL should be non-nil if FUNC isn't documented in the
 manual.
 
-ARGS is optional; the function's signature is displayed if ARGS
-is not present.
+ARGS is optional list of function FUNC's arguments.  FUNC's
+signature is displayed automatically if ARGS is not present.
+Specifying ARGS might be useful where you don't want to document
+some of the uncommon arguments a function might have.
+
+While the `:no-manual' and `:args' property can be used for
+any (FUNC ..) form, all of the other properties shown above
+cannot be used simultaneously in such a form.
+
+Here are some common forms with examples of properties that go
+together:
+
+1. Document a form or string, and its evaluated return value.
+   (FUNC
+    :eval EVAL)
 
 If EVAL isn't a string, it will be printed with `prin1', and then
-evaluated to give a result, which is also printed.  If it's a
-string, it'll be inserted as is, then the string will be `read',
-and then evaluated.
+evaluated to give a result, which is also printed.
+
+If EVAL is a string, it will be inserted as is, and then that
+string will be `read' and evaluated.
+
+2. Document a form or string, but manually document its evalation
+   result.  The provided form will not be evaluated.
 
-There can be any number of :example/:result elements."
+  (FUNC
+   :no-eval EXAMPLE-FORM
+   :result RESULT-FORM   ;Use `:result-string' if value is in string form
+   )
+
+Using `:no-value' is the same as using `:no-eval'.
+
+Use `:no-eval*' instead of `:no-eval' where the successful
+execution of the documented form depends on some conditions.
+
+3. Document a form or string EXAMPLE-FORM.  Also manually
+   document an example result.  This result could be unrelated to
+   the documented form.
+
+  (FUNC
+   :no-eval EXAMPLE-FORM
+   :eg-result RESULT-FORM ;Use `:eg-result-string' if value is in string form
+   )
+
+A FUNC form can have any number of `:no-eval' (or `:no-value'),
+`:no-eval*', `:result', `:result-string', `:eg-result' and
+`:eg-result-string' properties."
   `(progn
      (setq shortdoc--groups (delq (assq ',group shortdoc--groups)
                                   shortdoc--groups))
@@ -1351,11 +1391,14 @@ shortdoc-add-function
 If GROUP doesn't exist, it will be created.
 If SECTION doesn't exist, it will be added.
 
+ELEM is a Lisp form.  See `define-short-documentation-group' for
+details.
+
 Example:
 
   (shortdoc-add-function
-    'file \"Predicates\"
-    '(file-locked-p :no-eval (file-locked-p \"/tmp\")))"
+    \\='file \"Predicates\"
+    \\='(file-locked-p :no-eval (file-locked-p \"/tmp\")))"
   (let ((glist (assq group shortdoc--groups)))
     (unless glist
       (setq glist (list group))
-- 
2.34.0


^ permalink raw reply related	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2022-04-10 13:47 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2022-04-08  3:52 bug#54782: [PATCH] Update docstrings for shortdoc.el FUNC lisp form API Kaushal Modi
2022-04-08 13:17 ` Lars Ingebrigtsen
2022-04-08 13:18   ` Kaushal Modi
2022-04-09  9:45     ` Lars Ingebrigtsen
2022-04-09 17:23       ` Kaushal Modi
2022-04-10 11:52         ` Lars Ingebrigtsen
2022-04-10 13:44           ` Kaushal Modi
2022-04-10 13:47             ` Lars Ingebrigtsen

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