org-macs: New function org-find-text-property-region

lisp/org-macs.el

@@ -728,7 +728,7 @@ When NEXT is non-nil, check the next line instead."
 
 
 
-;;; Overlays
+;;; Overlays and text properties
 
 (defun org-overlay-display (ovl text &optional face evap)
   "Make overlay OVL display TEXT with face FACE."
@@ -751,20 +751,22 @@ If DELETE is non-nil, delete all those overlays."
 	    (delete (delete-overlay ov))
 	    (t (push ov found))))))
 
-(defun org-flag-region (from to flag spec)
-  "Hide or show lines from FROM to TO, according to FLAG.
-SPEC is the invisibility spec, as a symbol."
-  (remove-overlays from to 'invisible spec)
-  ;; Use `front-advance' since text right before to the beginning of
-  ;; the overlay belongs to the visible line than to the contents.
-  (when flag
-    (let ((o (make-overlay from to nil 'front-advance)))
-      (overlay-put o 'evaporate t)
-      (overlay-put o 'invisible spec)
-      (overlay-put o
-		   'isearch-open-invisible
-		   (lambda (&rest _) (org-show-context 'isearch))))))
-
+(defun org-find-text-property-region (pos prop)
+  "Find a region around POS containing same non-nil value of PROP text property.
+Return nil when PROP is not set at POS."
+  (let* ((beg (and (get-text-property pos prop) pos))
+	 (end beg))
+    (when beg
+      (unless (or (equal beg (point-min))
+		  (not (eq (get-text-property beg prop)
+			 (get-text-property (1- beg) prop))))
+	(setq beg (previous-single-property-change pos prop nil (point-min))))
+      (unless (or (equal end (point-max))
+		  ;; (not (eq (get-text-property end prop)
+		  ;; 	 (get-text-property (1+ end) prop)))
+		  )
+	(setq end (next-single-property-change pos prop nil (point-max))))
+      (cons beg end))))
 
 
 ;;; Regexp matching

lisp/org.el

@@ -5597,7 +5597,10 @@ needs to be inserted at a specific position in the font-lock sequence.")
     (let ((org-odd-levels-only odd-levels))
       (org-mode)
       (org-font-lock-ensure)
-      (buffer-string))))
+      (if org-link-descriptive
+          (org-link-display-format
+           (buffer-string))
+        (buffer-string)))))
 
 (defun org-get-level-face (n)
   "Get the right face for match N in font-lock matching of headlines."
@@ -5727,6 +5730,8 @@ and subscripts."
 			   (if (equal (char-after (match-beginning 2)) ?^)
 			       (nth (if table-p 3 1) org-script-display)
 			     (nth (if table-p 2 0) org-script-display)))
+        (put-text-property (match-beginning 2) (match-end 3)
+                           'org-emphasis t)
 	(add-text-properties (match-beginning 2) (match-end 2)
 			     (list 'invisible t))
 	(when (and (eq (char-after (match-beginning 3)) ?{)