org-export-reference: Update documentation about timestamp functions

diff --git a/dev/org-export-reference.org b/dev/org-export-reference.org
index 0bc0ea4..20f5045 100644 (file)
--- a/dev/org-export-reference.org
+++ b/dev/org-export-reference.org
@@ -717,6 +717,22 @@ end-users are explained in the last part of this document.
                     (integer).
    - ~:year-start~ :: Year part from timestamp start (integer).
 
+   Note relative to export: =org.el= provides tools to work on
+   timestamps objects.  In particular, back-ends usually make use of
+   ~org-timestamp-translate~ function.  Thus, in =org-e-html.el=, the
+   timestamp object is first translated:
+
+   #+BEGIN_SRC emacs-lisp
+   (defun org-e-html-timestamp (timestamp contents info)
+     "Transcode a TIMESTAMP object from Org to HTML.
+   CONTENTS is nil.  INFO is a plist holding contextual
+   information."
+     (let ((value (org-e-html-plain-text
+                   (org-timestamp-translate timestamp) info)))
+       (format "<span class=\"timestamp-wrapper\"><span class=\"timestamp\">%s</span></span>"
+               (replace-regexp-in-string "--" "&ndash;" value))))
+   #+END_SRC
+
 ** Underline
 
    Recursive object.
@@ -1416,17 +1432,6 @@ end-users are explained in the last part of this document.
    See also: [[#format-code-default][~org-export-format-code-default~]], [[#get-loc][~org-export-get-loc~]],
    [[#unravel-code][~org-export-unravel-code~]].
 
-** ~org-export-format-timestamp~
-   :PROPERTIES:
-   :CUSTOM_ID: format-timestamp
-   :END:
-
-   Format a timestamp object with an arbitrary format string.
-
-   See also: [[#timestamp-has-time-p][~org-export-timestamp-has-time-p~]],
-   [[#split-timestamp-range][~org-export-split-timestamp-range~]],
-   [[#translate-timestamp][~org-export-translate-timestamp~]].
-
 ** ~org-export-get-caption~
    :PROPERTIES:
    :CUSTOM_ID: get-caption
@@ -2078,17 +2083,6 @@ end-users are explained in the last part of this document.
    [[#table-row-group][~org-export-table-row-group~]],
    [[#table-row-starts-header-p][~org-export-table-row-starts-header-p~]].
 
-** ~org-export-timestamp-has-time-p~
-   :PROPERTIES:
-   :CUSTOM_ID: timestamp-has-time-p
-   :END:
-
-   Non-nil when a timestamp has hours and minutes.
-
-   It is useful to know which format strings to use for a timestampn.
-
-   See also: [[#format-timestamp][~org-export-format-timestamp~]].
-
 ** ~org-export-translate~
 
    Translate a string, i.e. "Table of Contents", according to language
@@ -2097,50 +2091,6 @@ end-users are explained in the last part of this document.
    Refer to ~org-export-dictionary~ variable for the list of all
    supported strings.
 
-** ~org-export-split-timestamp-range~
-   :PROPERTIES:
-   :CUSTOM_ID: split-timestamp-range
-   :END:
-
-   Extract the date start or end from a timestamp range.
-
-   See also: [[#format-timestamp][~org-export-format-timestamp~]],
-   [[#translate-timestamp][~org-export-translate-timestamp~]].
-
-** ~org-export-translate-timestamp~
-   :PROPERTIES:
-   :CUSTOM_ID: translate-timestamp
-   :END:
-
-   Apply ~org-translate-time~ on a timestamp object.
-
-   According to ~org-time-stamp-custom-formats~ documentation:
-
-   #+BEGIN_QUOTE
-   The custom formats are also honored by export commands, if custom
-   time display is turned on at the time of export.
-   #+END_QUOTE
-
-   Therefore, this function is applied by default on timestamps in
-   many back-ends. For example, in =e-latex=:
-
-   #+BEGIN_SRC emacs-lisp
-   (defun org-e-latex-timestamp (timestamp contents info)
-     "Transcode a TIMESTAMP object from Org to LaTeX.
-   CONTENTS is nil.  INFO is a plist holding contextual
-   information."
-     (let ((value (org-e-latex-plain-text
-                   (org-export-translate-timestamp timestamp) info)))
-       (case (org-element-property :type timestamp)
-         ((active active-range) (format org-e-latex-active-timestamp-format value))
-         ((inactive inactive-range)
-          (format org-e-latex-inactive-timestamp-format value))
-         (otherwise (format org-e-latex-diary-timestamp-format value)))))
-   #+END_SRC
-
-   See also: [[#format-timestamp][~org-export-format-timestamp~]],
-   [[#split-timestamp-range][~org-export-split-timestamp-range~]].
-
 ** ~org-export-unravel-code~
    :PROPERTIES:
    :CUSTOM_ID: unravel-code