[orca] Fix for bgo#593596 - When the user Up Arrows to a line in Firefox which begins with a nested paragra

[Joanmarie Diggs <joanied src gnome org>]

commit 4e61c110d3939eca11c137f9912a199597792922
Author: Joanmarie Diggs <joanmarie diggs gmail com>
Date:   Sun Aug 30 21:28:24 2009 -0400

    Fix for bgo#593596 - When the user Up Arrows to a line in Firefox which begins with a nested paragraph, Orca fails to present that line

 src/orca/scripts/toolkits/Gecko/script.py      |    7 ++++++-
 test/keystrokes/firefox/line_nav_bug_592383.py |    6 +++---
 2 files changed, 9 insertions(+), 4 deletions(-)
---
diff --git a/src/orca/scripts/toolkits/Gecko/script.py b/src/orca/scripts/toolkits/Gecko/script.py
index 95b3d7b..1d890da 100644
--- a/src/orca/scripts/toolkits/Gecko/script.py
+++ b/src/orca/scripts/toolkits/Gecko/script.py
@@ -5528,7 +5528,12 @@ class Script(default.Script):
                             # the beginning of this line to that initial
                             # character, we'll get stuck. See bug 592383.
                             #
-                            pass
+                            if end - start > 1 and end - offset == 1:
+                                # We must be Up Arrowing. Set the offset to
+                                # just past the EOC so that we present the
+                                # line rather than saying "blank."
+                                #
+                                offset = start + 1
                         else:
                             # It's a link that ends on our left. Who knows
                             # where it starts? Might be on the previous
diff --git a/test/keystrokes/firefox/line_nav_bug_592383.py b/test/keystrokes/firefox/line_nav_bug_592383.py
index 2092752..4354d02 100644
--- a/test/keystrokes/firefox/line_nav_bug_592383.py
+++ b/test/keystrokes/firefox/line_nav_bug_592383.py
@@ -108,9 +108,9 @@ sequence.append(utils.StartRecordingAction())
 sequence.append(KeyComboAction("Up"))
 sequence.append(utils.AssertPresentationAction(
     "2. Up",
-    ["BUG? - We're skipping the line at the beginning of the paragraph",
-     "BRAILLE LINE:  ''",
-     "     VISIBLE:  '', cursor=1"]))
+    ["BRAILLE LINE:  'Â Â Â hy did the chicken cross the road? Give up? It was to escape from the enormous capital letter at the beginning of this paragraph. These are the'",
+     "     VISIBLE:  'Â Â Â hy did the chicken cross the ', cursor=1",
+     "SPEECH OUTPUT: 'Â Â Â hy did the chicken cross the road? Give up? It was to escape from the enormous capital letter at the beginning of this paragraph. These are the'"]))
 
 sequence.append(utils.StartRecordingAction())
 sequence.append(KeyComboAction("Up"))