Memory-exhausted crash when yanking from xclip

[Felix Wiemann <Felix.Wiemann@gmx.net>]

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$ xclip memory-exhausted.txt  # attached
$ emacs

Now press C-y to yank the text.

Emacs hangs.  Press C-g and Emacs complains about exhausted memory (and
that the user should type `M-x save-some-buffers').  Do a few keystrokes and
Emacs starts continuously beeping.  Only SIGKILL helps.


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diff -rux CVS original-transition-docutils/docs/ref/doctree.txt docutils/docs/ref/doctree.txt
--- original-transition-docutils/docs/ref/doctree.txt	2004-10-27 12:13:45.000000000 +0200
+++ docutils/docs/ref/doctree.txt	2004-10-24 15:02:23.000000000 +0200
@@ -4035,8 +4035,8 @@
 fiction, as a gap spanning one or more lines, with or without a type
 ornament such as a row of asterisks.  Transitions separate other body
 elements, dividing a section into untitled divisions.  A transition
-may not begin or end a section or document, nor may two transitions be
-immediately adjacent.
+may not begin or end a document, it may not begin a section, nor may
+two transitions be immediately adjacent.
 
 See `Doctree Representation of Transitions`__ in `A Record of
 reStructuredText Syntax Alternatives`__.
diff -rux CVS original-transition-docutils/docs/ref/docutils.dtd docutils/docs/ref/docutils.dtd
--- original-transition-docutils/docs/ref/docutils.dtd	2004-10-27 12:13:56.000000000 +0200
+++ docutils/docs/ref/docutils.dtd	2004-10-27 12:04:05.000000000 +0200
@@ -141,10 +141,11 @@
 ================================================================== -->
 
 <!ENTITY % structure.model
-  " ( ( (%body.elements; | topic | sidebar)+,
-        (transition, (%body.elements; | topic | sidebar)+ )*,
-        (((%section.elements;), transition?)*, (%section.elements))? )
-    | (((%section.elements;), transition?)*, (%section.elements)) ">
+   " ( ( (%body.elements; | topic | sidebar)+,
+         (transition, (%body.elements; | topic | sidebar)+ )*,
+         ( (%section.elements;), (transition?, (%section.elements;) )* ) )
+     | ( (%section.elements;), (transition?, (%section.elements;) )* )
+) ">
 
 <!ENTITY % text.model
   " (#PCDATA | %inline.elements;)* ">
diff -rux CVS original-transition-docutils/docs/ref/transforms.txt docutils/docs/ref/transforms.txt
--- original-transition-docutils/docs/ref/transforms.txt	2004-10-27 12:13:56.000000000 +0200
+++ docutils/docs/ref/transforms.txt	2004-10-27 13:30:00.000000000 +0200
@@ -56,8 +56,6 @@
 
 references.InternalTargets      standalone (r), pep (r)       660
 
-misc.Transition                 rst (p/p)                     680
-
 parts.SectNum                   "sectnum" (d/p)               710
 
 parts.Contents                  "contents" (d/p),             720
@@ -67,6 +65,8 @@
 
 components.Filter               "meta" (d/p)                  780
 
+misc.Transition                 rst (p/p)                     810
+
 universal.Decorations           Transformer                   820
 
 universal.FinalChecks           Transformer                   840
diff -rux CVS original-transition-docutils/docutils/nodes.py docutils/docutils/nodes.py
--- original-transition-docutils/docutils/nodes.py	2004-10-27 12:16:36.000000000 +0200
+++ docutils/docutils/nodes.py	2004-10-27 13:34:14.000000000 +0200
@@ -1184,13 +1184,6 @@
                               **self.attributes)
 
 
-class pending_transition(pending):
-
-    def __init__(self, *args, **kwargs):
-        from docutils.transforms.misc import Transition
-        pending.__init__(self, Transition, *args, **kwargs)
-
-
 class raw(Special, Inline, PreBibliographic, FixedTextElement):
 
     """
diff -rux CVS original-transition-docutils/docutils/parsers/rst/states.py docutils/docutils/parsers/rst/states.py
--- original-transition-docutils/docutils/parsers/rst/states.py	2004-10-27 12:13:56.000000000 +0200
+++ docutils/docutils/parsers/rst/states.py	2004-10-27 13:46:25.000000000 +0200
@@ -116,6 +116,7 @@
 from docutils.nodes import whitespace_normalize_name
 from docutils.parsers.rst import directives, languages, tableparser, roles
 from docutils.parsers.rst.languages import en as _fallback_language_module
+import docutils.transforms.body
 
 
 class MarkupError(DataError): pass
@@ -2738,7 +2739,8 @@
             self.state_correction(context)
         if self.eofcheck:               # ignore EOFError with sections
             lineno = self.state_machine.abs_line_number() - 1
-            transition = nodes.pending_transition(rawsource=context[0])
+            transition = nodes.pending(docutils.transforms.body.Transition,
+                                       rawsource=context[0])
             transition.line = lineno
             self.document.note_pending(transition)
             self.parent += transition
@@ -2751,7 +2753,8 @@
         marker = context[0].strip()
         if len(marker) < 4:
             self.state_correction(context)
-        transition = nodes.pending_transition(rawsource=marker)
+        transition = nodes.pending(docutils.transforms.body.Transition,
+                                   rawsource=marker)
         transition.line = lineno
         self.document.note_pending(transition)
         self.parent += transition

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Note: It only happens when using xclip.

Can anyone reproduce this?

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