[PATCH] Re: [BUG] org-element-map doco should refer to org-element-parse-buffer [9.5.2 (9.5.2-gfbff08 @ /home/phil/.emacs.d/elpa/org-9.5.2/)]

[Ihor Radchenko <yantar92@gmail.com>]

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Phil Hudson <phil.hudson@iname.com> writes:

> The documentation for function `org-element-parse-buffer' helpfully
> directs the user to that of function `org-element-map', but the
> documentation for the latter makes no mention of
> `org-element-parse-buffer'. It contains lengthy and helpful explanations
> of what to do with its `data' parameter, but no hint as to how to obtain
> that data.

Sounds reasonable.
Will something like the attached do?

Best,
Ihor


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From 6041817f426aa0976f557f4c108203b8eed37ac1 Mon Sep 17 00:00:00 2001
Message-Id: <6041817f426aa0976f557f4c108203b8eed37ac1.1651549348.git.yantar92@gmail.com>
From: Ihor Radchenko <yantar92@gmail.com>
Date: Tue, 3 May 2022 11:40:26 +0800
Subject: [PATCH] org-element-map: Refer to `org-element-parse-buffer' in the
 docstring

* lisp/org-element.el (org-element-map): Update docstring.  Mention
that parse tree can be obtained using `org-element-parse-buffer'.  Add
an example.
---
 lisp/org-element.el | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/lisp/org-element.el b/lisp/org-element.el
index 3856079aa..4be345001 100644
--- a/lisp/org-element.el
+++ b/lisp/org-element.el
@@ -4524,12 +4524,12 @@ (defun org-element-map
     (data types fun &optional info first-match no-recursion with-affiliated)
   "Map a function on selected elements or objects.
 
-DATA is a parse tree, an element, an object, a string, or a list
-of such constructs.  TYPES is a symbol or list of symbols of
-elements or objects types (see `org-element-all-elements' and
-`org-element-all-objects' for a complete list of types).  FUN is
-the function called on the matching element or object.  It has to
-accept one argument: the element or object itself.
+DATA is a parse tree (e.g. returned by `org-element-parse-buffer'), an element,
+an object, a string, or a list of such constructs.  TYPES is a symbol
+or list of symbols of elements or objects types (see `org-element-all-elements'
+and `org-element-all-objects' for a complete list of types).  FUN is the function
+called on the matching element or object.  It has to accept one
+argument: the element or object itself.
 
 When optional argument INFO is non-nil, it should be a plist
 holding export options.  In that case, parts of the parse tree
@@ -4557,6 +4557,7 @@ (defun org-element-map
 the following example will return a flat list of all `src-block'
 and `example-block' elements in it:
 
+  (setq tree (org-element-parse-buffer))
   (org-element-map tree \\='(example-block src-block) #\\='identity)
 
 The following snippet will find the first headline with a level
-- 
2.35.1