1 files changed, 10 insertions, 18 deletions

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 38bf9552b2a..a0a368777e7 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -119,7 +119,7 @@
      (1 font-lock-type-face))
     ;; Built-ins.  (The next three blocks are from
     ;; `__builtin__.__dict__.keys()' in Python 2.7)  These patterns
-    ;; are debateable, but they at least help to spot possible
+    ;; are debatable, but they at least help to spot possible
     ;; shadowing of builtins.
     (,(rx symbol-start (or
           ;; exceptions
@@ -550,7 +550,7 @@ element matches `python-python-command'."
   "^> \\(.*\\)(\\([0-9]+\\))\\([?a-zA-Z0-9_<>]+\\)()"
   "Regular expression pdbtrack uses to find a stack trace entry.")
 
-(defconst python-pdbtrack-input-prompt "\n[(<]*[Pp]db[>)]+ "
+(defconst python-pdbtrack-input-prompt "\n[(<]*[Ii]?[Pp]db[>)]+ "
   "Regular expression pdbtrack uses to recognize a pdb prompt.")
 
 (defconst python-pdbtrack-track-range 10000
@@ -948,22 +948,12 @@ Finds end of innermost nested class or method definition."
   "Go to start of current statement.
 Accounts for continuation lines, multi-line strings, and
 multi-line bracketed expressions."
-  (beginning-of-line)
-  (python-beginning-of-string)
-  (let (point)
-    (while (and (python-continuation-line-p)
-                (if point
-                    (< (point) point)
-                  t))
-      (beginning-of-line)
+  (while
       (if (python-backslash-continuation-line-p)
-          (progn
-            (forward-line -1)
-            (while (python-backslash-continuation-line-p)
-              (forward-line -1)))
-        (python-beginning-of-string)
-        (python-skip-out))
-      (setq point (point))))
+          (progn (forward-line -1) t)
+        (beginning-of-line)
+        (or (python-beginning-of-string)
+            (python-skip-out))))
   (back-to-indentation))
 
 (defun python-skip-out (&optional forward syntax)
@@ -971,6 +961,7 @@ multi-line bracketed expressions."
 Skip forward if FORWARD is non-nil, else backward.
 If SYNTAX is non-nil it is the state returned by `syntax-ppss' at point.
 Return non-nil if and only if skipping was done."
+  ;; FIXME: Use syntax-ppss-toplevel-pos.
   (let ((depth (syntax-ppss-depth (or syntax (syntax-ppss))))
         (forward (if forward -1 1)))
     (unless (zerop depth)
@@ -2562,7 +2553,7 @@ If the traceback target file path is invalid, we look for the
 most recently visited python-mode buffer which either has the
 name of the current function or class, or which defines the
 function or class.  This is to provide for scripts not in the
-local filesytem (e.g., Zope's 'Script \(Python)', but it's not
+local file system (e.g., Zope's 'Script \(Python)', but it's not
 Zope specific).  If you put a copy of the script in a buffer
 named for the script and activate python-mode, then pdbtrack will
 find it."
@@ -2592,6 +2583,7 @@ find it."
         (if (not (string-match (concat python-pdbtrack-input-prompt "$") block))
             (python-pdbtrack-overlay-arrow nil)
 
+          (setq block (ansi-color-filter-apply block))
           (setq target (python-pdbtrack-get-source-buffer block))
 
           (if (stringp target)