From debe64512f91495849160d6a586082125041be4e Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Sat, 17 Sep 2005 11:02:11 +0000
Subject: [PATCH] (glasses-make-readable): If glasses-separator differs from
 underscore, put appropriate overlays over underscore characters.
 (glasses-convert-to-unreadable): If glasses-separator differs from
 underscore, try to convert glasses-separator characters to underscores.

---
 lisp/ChangeLog            |  9 +++++++++
 lisp/progmodes/glasses.el | 17 +++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 9f774f8990a..f64d4b01595 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,12 @@
+2005-09-17  Milan Zamazal  <pdm@zamazal.org>
+
+	* progmodes/glasses.el (glasses-make-readable): If
+	glasses-separator differs from underscore, put appropriate
+	overlays over underscore characters.
+	(glasses-convert-to-unreadable): If glasses-separator differs from
+	underscore, try to convert glasses-separator characters to
+	underscores.
+
 2005-09-16  Stefan Monnier  <monnier@iro.umontreal.ca>
 
 	* calendar/diary-lib.el (mark-diary-entries): Don't move point.
diff --git a/lisp/progmodes/glasses.el b/lisp/progmodes/glasses.el
index b32c5eb6d49..2733cb407a4 100644
--- a/lisp/progmodes/glasses.el
+++ b/lisp/progmodes/glasses.el
@@ -195,6 +195,16 @@ CATEGORY is the overlay category.  If it is nil, use the `glasses' category."
 			   (looking-at glasses-uncapitalize-regexp))))
 	      (overlay-put o 'invisible t)
 	      (overlay-put o 'after-string (downcase (match-string n))))))
+        ;; Separator change
+        (unless (string= glasses-separator "_")
+          (goto-char beg)
+          (while (re-search-forward "[a-zA-Z0-9]\\(_+\\)[a-zA-Z0-9]" end t)
+            (goto-char (match-beginning 1))
+            (while (eql (char-after) ?\_)
+              (let ((o (glasses-make-overlay (point) (1+ (point)))))
+                ;; `concat' ensures the character properties won't merge
+                (overlay-put o 'display (concat glasses-separator)))
+              (forward-char))))
 	;; Parentheses
 	(when glasses-separate-parentheses-p
 	  (goto-char beg)
@@ -227,6 +237,13 @@ recognized according to the current value of the variable `glasses-separator'."
 	  (let ((n (if (match-string 1) 1 2)))
 	    (replace-match "" t nil nil n)
 	    (goto-char (match-end n))))
+        (unless (string= glasses-separator "_")
+          (goto-char (point-min))
+          (while (re-search-forward (format "[a-zA-Z0-9]\\(%s+\\)[a-zA-Z0-9]"
+                                            separator)
+                                    nil t)
+            (replace-match "_" nil nil nil 1)
+            (goto-char (match-beginning 1))))
 	(when glasses-separate-parentheses-p
 	  (goto-char (point-min))
 	  (while (re-search-forward "[a-zA-Z]_*\\( \\)\(" nil t)
-- 
2.11.4.GIT