* align.el (align-adjust-col-for-rule): Unbreak due to defaulting

tab-stop-list to nil. 

* indent.el (indent-next-tab-stop): Rename from indent--next-tab-stop.
(indent-rigidly-left-to-tab-stop)
(indent-rigidly-right-to-tab-stop, tab-to-tab-stop)
(move-to-tab-stop): Change callers.

Fixes: debbugs:16381

3 files changed, 17 insertions, 12 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 471b4494011..38dbdfbd8f1 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,13 @@
+2014-06-23  Leo Liu  <sdl.web@gmail.com>
+
+        * align.el (align-adjust-col-for-rule): Unbreak due to defaulting
+        tab-stop-list to nil.  (Bug#16381)
+
+        * indent.el (indent-next-tab-stop): Rename from indent--next-tab-stop.
+        (indent-rigidly-left-to-tab-stop)
+        (indent-rigidly-right-to-tab-stop, tab-to-tab-stop)
+        (move-to-tab-stop): Change callers.
+
 2014-06-22  Eli Zaretskii  <eliz@gnu.org>
 
         * skeleton.el (skeleton-insert): Yet another fix of the doc string
diff --git a/lisp/align.el b/lisp/align.el
index 3b54aba264f..0e6b84d11ec 100644
--- a/lisp/align.el
+++ b/lisp/align.el
@@ -1130,13 +1130,8 @@ TAB-STOP specifies whether SPACING refers to tab-stop boundaries."
       column
     (if (not tab-stop)
         (+ column spacing)
-      (let ((stops tab-stop-list))
-        (while stops
-          (if (and (> (car stops) column)
-                   (= (setq spacing (1- spacing)) 0))
-              (setq column (car stops)
-                    stops nil)
-            (setq stops (cdr stops)))))
+      (dotimes (_ spacing)
+        (setq column (indent-next-tab-stop column)))
       column)))
 
 (defsubst align-column (pos)
diff --git a/lisp/indent.el b/lisp/indent.el
index ab38d502966..7df927ff808 100644
--- a/lisp/indent.el
+++ b/lisp/indent.el
@@ -249,7 +249,7 @@ indentation by specifying a large negative ARG."
   (indent-rigidly--pop-undo)
   (let* ((current (indent-rigidly--current-indentation beg end))
          (rtl (eq (current-bidi-paragraph-direction) 'right-to-left))
-         (next (indent--next-tab-stop current (if rtl nil 'prev))))
+         (next (indent-next-tab-stop current (if rtl nil 'prev))))
     (indent-rigidly beg end (- next current))))
 
 (defun indent-rigidly-right-to-tab-stop (beg end)
@@ -258,7 +258,7 @@ indentation by specifying a large negative ARG."
   (indent-rigidly--pop-undo)
   (let* ((current (indent-rigidly--current-indentation beg end))
          (rtl (eq (current-bidi-paragraph-direction) 'right-to-left))
-         (next (indent--next-tab-stop current (if rtl 'prev))))
+         (next (indent-next-tab-stop current (if rtl 'prev))))
     (indent-rigidly beg end (- next current))))
 
 (defun indent-line-to (column)
@@ -654,7 +654,7 @@ You can add or remove colons and then do \\<edit-tab-stops-map>\\[edit-tab-stops
       (setq tab-stop-list tabs))
   (message "Tab stops installed"))
 
-(defun indent--next-tab-stop (column &optional prev)
+(defun indent-next-tab-stop (column &optional prev)
   "Return the next tab stop after COLUMN.
 If PREV is non-nil, return the previous one instead."
   (let ((tabs tab-stop-list))
@@ -684,7 +684,7 @@ Use \\[edit-tab-stops] to edit them interactively."
   (interactive)
   (and abbrev-mode (= (char-syntax (preceding-char)) ?w)
        (expand-abbrev))
-  (let ((nexttab (indent--next-tab-stop (current-column))))
+  (let ((nexttab (indent-next-tab-stop (current-column))))
     (delete-horizontal-space t)
     (indent-to nexttab)))
 
@@ -693,7 +693,7 @@ Use \\[edit-tab-stops] to edit them interactively."
 The variable `tab-stop-list' is a list of columns at which there are tab stops.
 Use \\[edit-tab-stops] to edit them interactively."
   (interactive)
-  (let ((nexttab (indent--next-tab-stop (current-column))))
+  (let ((nexttab (indent-next-tab-stop (current-column))))
     (let ((before (point)))
       (move-to-column nexttab t)
       (save-excursion