Fix graphite2 particulary for LinLibertineG

3 files changed, 85 insertions, 417 deletions

diff --git a/graphite/graphite-2.3.1_debug.patch b/graphite/graphite-2.3.1_debug.patch
deleted file mode 100644
index 583fac711e2b..000000000000
--- a/graphite/graphite-2.3.1_debug.patch
+++ /dev/null
@@ -1,13 +0,0 @@
---- misc/silgraphite-2.3.1/engine/src/segment/SegmentAux.cpp	2008-08-21 16:24:32.000000000 +0200
-+++ misc/build/silgraphite-2.3.1/engine/src/segment/SegmentAux.cpp	2011-02-21 13:22:23.159834368 +0100
-@@ -247,7 +247,9 @@
- GlyphSetIterator::reference GlyphSetIterator::operator*() const
- {
- 	assert(m_pseg != 0);
--	assert(m_vit != std::vector<int>::const_iterator());
-+        // #i116227# the check below is well meant but breaks itself when using stlport with debug facilities
-+        // a valid iterator cannot be compared to an empty one in that case
-+	// assert(m_vit != std::vector<int>::const_iterator());
- 														// in the case of a non-contiguous list
- 	return m_pseg->m_prgginf[(*m_vit) - m_pseg->m_isloutGinf0];
- }
diff --git a/graphite/graphite2-0.9.2.patch b/graphite/graphite2-0.9.2.patch
deleted file mode 100644
index 35f0bd23650b..000000000000
--- a/graphite/graphite2-0.9.2.patch
+++ /dev/null
@@ -1,404 +0,0 @@
-diff -r 5369cdd12120 CMakeLists.txt
---- misc/build/graphite2-0.9.2/CMakeLists.txt	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/CMakeLists.txt	Fri Feb 18 16:05:40 2011 +0700
-@@ -61,7 +61,7 @@
- add_subdirectory(gr2fonttest)
- add_subdirectory(tests)
- add_subdirectory(doc)
--set(version 0.0.0)
-+set(version 2.0.0)
- set(libdir ${CMAKE_INSTALL_PREFIX}/lib)
- set(includedir ${CMAKE_INSTALL_PREFIX}/include)
- 
-diff -r 5369cdd12120 gr2fonttest/gr2FontTest.cpp
---- misc/build/graphite2-0.9.2/gr2fonttest/gr2FontTest.cpp	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/gr2fonttest/gr2FontTest.cpp	Fri Feb 18 16:05:40 2011 +0700
-@@ -758,13 +758,11 @@
-         float advanceWidth = gr_seg_advance_X(pSeg);
-         fprintf(log, "Advance width = %6.1f\n", advanceWidth);
-         unsigned int numchar = gr_seg_n_cinfo(pSeg);
--        gr_uint32 *firsts = (gr_uint32 *)malloc(numchar * sizeof(gr_uint32));
--        gr_uint32 *lasts = (gr_uint32 *)malloc(numchar * sizeof(gr_uint32));
--        gr_seg_char_slots(pSeg, firsts, lasts, 0, 0);
-         fprintf(log, "\nChar\tUnicode\tBefore\tAfter\n");
-         for (unsigned int j = 0; j < numchar; j++)
-         {
--            fprintf(log, "%d\t%04X\t%d\t%d\n", j, gr_cinfo_unicode_char(gr_seg_cinfo(pSeg, j)), firsts[j], lasts[j]);
-+            const gr_char_info *c = gr_seg_cinfo(pSeg, j);
-+            fprintf(log, "%d\t%04X\t%d\t%d\n", j, gr_cinfo_unicode_char(c), gr_cinfo_before(c), gr_cinfo_after(c));
-         }
-         free(map);
-         gr_seg_destroy(pSeg);
-diff -r 5369cdd12120 include/graphite2/Segment.h
---- misc/build/graphite2-0.9.2/include/graphite2/Segment.h	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/include/graphite2/Segment.h	Fri Feb 18 16:05:40 2011 +0700
-@@ -135,6 +135,20 @@
-   */
- GR2_API int gr_cinfo_break_weight(const gr_char_info* p/*not NULL*/);
- 
-+/** Returns the slot index that after this character is after in the slot stream
-+  *
-+  * @return after slot index between 0 and gr_seg_n_slots()
-+  * @param p Pointer to charinfo to return information on.
-+  */
-+GR2_API int gr_cinfo_after(const gr_char_info* p/*not NULL*/);
-+
-+/** Returns the slot index that before this character is before in the slot stream
-+  *
-+  * @return before slot index between 0 and gr_seg_n_slots()
-+  * @param p Pointer to charinfo to return information on.
-+  */
-+GR2_API int gr_cinfo_before(const gr_char_info* p/*not NULL*/);
-+
- /** Returns the number of unicode characters in a string.
-   *
-   * @return number of characters in the string
-@@ -205,22 +219,6 @@
-   */
- GR2_API const gr_slot* gr_seg_last_slot(gr_segment* pSeg/*not NULL*/);    //may give a base slot or a slot which is attached to another
- 
--/** Calculates the underlying character to glyph associations.
--  *
--  * @param pSeg  Pointer to the segment we want information on.
--  * @param begins An array of gr_seg_n_cinfo integers giving slot index for each
--  *               charinfo. The value corresponds to which slot a cursor would be before
--  *               if an underlying cursor were before the charinfo at this index.
--  * @param ends  An array of gr_seg_n_cinfo integers giving the slot index for each
--  *              charinfo. The value at an index corresponds to which slot a cursor would
--  *              be after if an underlying cursor were after the charinfo at the index.
--  * @param sbegins   An array of gr_seg_n_cinfo gr_slot * corresponding to the gr_slot at
--  *                  index given by begins. The pointer to the array may be NULL.
--  * @param sends An array of gr_seg_n_cinfo gr_slot * corresponding to the gr_slot at the
--  *              index given by ends. The pointer to the array may be NULL.
--  */
--GR2_API void gr_seg_char_slots(const gr_segment *pSeg, gr_uint32 *begins, gr_uint32 *ends, gr_slot **sbegins, gr_slot **sends);
--
- /** Returns the next slot along in the segment.
-   *
-   * Slots are held in a linked list. This returns the next in the linked list. The slot
-@@ -306,6 +304,13 @@
-   */
- GR2_API int gr_slot_after(const gr_slot* p/*not NULL*/);
- 
-+/** Returns the index of this slot in the segment
-+  *
-+  * Returns the index given to this slot during final positioning. This corresponds to the value returned br gr_cinfo_before()
-+  * and gr_cinfo_after()
-+  */
-+GR2_API unsigned int gr_slot_index(const gr_slot* p/*not NULL*/);
-+
- /** Return a slot attribute value
-   *
-   * Given a slot and an attribute along with a possible subattribute, return the
-diff -r 5369cdd12120 src/CMakeLists.txt
---- misc/build/graphite2-0.9.2/src/CMakeLists.txt	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/CMakeLists.txt	Fri Feb 18 16:05:40 2011 +0700
-@@ -25,7 +25,7 @@
- INCLUDE(CheckTypeSize)
- INCLUDE(CheckCXXSourceCompiles)
- 
--set(GRAPHITE_API_MAJOR 1)
-+set(GRAPHITE_API_MAJOR 2)
- set(GRAPHITE_API_MINOR 0)
- set(GRAPHITE_API_AGE 0)
- set(GRAPHITE_SO_VERSION ${GRAPHITE_API_MAJOR}.${GRAPHITE_API_MINOR}.${GRAPHITE_API_AGE})
-diff -r 5369cdd12120 src/CharInfo.h
---- misc/build/graphite2-0.9.2/src/CharInfo.h	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/CharInfo.h	Fri Feb 18 16:05:40 2011 +0700
-@@ -29,16 +29,23 @@
- {
- 
- public:
-+    CharInfo() : m_before(-1), m_after(0) {}
-     void init(int cid) { m_char = cid; }
-     unsigned int unicodeChar() const { return m_char; }
-     void feats(int offset) { m_featureid = offset; }
-     int fid() const { return m_featureid; }
-     int breakWeight() const { return m_break; }
-     void breakWeight(int val) { m_break = val; }
-+    int after() const { return m_after; }
-+    void after(int val) { m_after = val; }
-+    int before() const { return m_before; }
-+    void before(int val) { m_before = val; }
- 
-     CLASS_NEW_DELETE
- private:
-     int m_char;     // Unicode character from character stream
-+    int m_before;   // slot index before us, comes before
-+    int m_after;    // slot index after us, comes after
-     uint8 m_featureid;	// index into features list in the segment
-     int8 m_break;	// breakweight coming from lb table
- };
-diff -r 5369cdd12120 src/Segment.cpp
---- misc/build/graphite2-0.9.2/src/Segment.cpp	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/Segment.cpp	Fri Feb 18 16:05:40 2011 +0700
-@@ -283,6 +283,7 @@
- {
-     Position currpos;
-     Slot *s, *ls = NULL;
-+    int iSlot = 0;
-     float cMin = 0.;
-     float clusterMin = 0.;
-     Rect bbox;
-@@ -292,8 +293,16 @@
-     
-     if (m_dir & 1)
-     {
--        for (s = iEnd; s && s != iStart->prev(); s = s->prev())
-+        for (s = iEnd, iSlot = m_numGlyphs - 1; s && s != iStart->prev(); s = s->prev(), --iSlot)
-         {
-+            for (int j = s->before(); j <= s->after(); j++)
-+            {
-+                CharInfo *c = charinfo(j);
-+                if (c->before() == -1 || iSlot < c->before()) c->before(iSlot);
-+                if (c->after() < iSlot) c->after(iSlot);
-+            }
-+            s->index(iSlot);
-+
-             if (s->isBase())
-             {
-                 clusterMin = currpos.x;
-@@ -306,8 +315,16 @@
-     }
-     else
-     {
--        for (s = iStart; s && s != iEnd->next(); s = s->next())
-+        for (s = iStart, iSlot = 0; s && s != iEnd->next(); s = s->next(), ++iSlot)
-         {
-+            for (int j = s->before(); j <= s->after(); j++)
-+            {
-+                CharInfo *c = charinfo(j);
-+                if (c->before() == -1 || iSlot < c->before()) c->before(iSlot);
-+                if (c->after() < iSlot) c->after(iSlot);
-+            }
-+            s->index(iSlot);
-+
-             if (s->isBase())
-             {
-                 clusterMin = currpos.x;
-@@ -321,35 +338,6 @@
-     if (iStart == m_first && iEnd == m_last) m_advance = currpos;
- }
- 
--
--void Segment::getCharSlots(uint32 *begins, uint32 *ends, Slot **sbegins, Slot **sends) const
--{
--    Slot *s;
--    uint32 i;
--    if (!begins || !ends) return;
--    memset(begins, 0xFF, m_numCharinfo * sizeof(uint32));
--    memset(ends, 0, m_numCharinfo * sizeof(uint32));
--    
--    for (s = m_first, i = 0; s; s = s->next(), i++)
--    {
--        for (int j = s->before(); j <= s->after(); j++)
--        {
--            assert(j >= 0);
--            assert(j < static_cast<int>(m_numCharinfo));
--            if (i < begins[j])
--            {
--                begins[j] = i;
--                if (sbegins) sbegins[j] = s;
--            }
--            if (i > ends[j])
--            {
--                ends[j] = i;
--                if (sends) sends[j] = s;
--            }
--        }
--    }
--}
--
- #ifndef DISABLE_TRACING
- void Segment::logSegment(gr_encform enc, const void* pStart, size_t nChars) const
- {
-diff -r 5369cdd12120 src/Segment.h
---- misc/build/graphite2-0.9.2/src/Segment.h	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/Segment.h	Fri Feb 18 16:05:40 2011 +0700
-@@ -118,7 +118,6 @@
-     int defaultOriginal() const { return m_defaultOriginal; }
-     const Face * getFace() const { return m_face; }
-     const Features & getFeatures(unsigned int /*charIndex*/) { assert(m_feats.size() == 1); return m_feats[0]; }
--    void getCharSlots(uint32 *begins, uint32 *ends, Slot **sbegins, Slot **sends) const;
- 
-     CLASS_NEW_DELETE
- 
-diff -r 5369cdd12120 src/Slot.cpp
---- misc/build/graphite2-0.9.2/src/Slot.cpp	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/Slot.cpp	Fri Feb 18 16:05:40 2011 +0700
-@@ -188,15 +188,15 @@
-     }
- }
- 
--int Slot::getAttr(const Segment *seg, attrCode index, uint8 subindex) const
-+int Slot::getAttr(const Segment *seg, attrCode ind, uint8 subindex) const
- {
-     if (!this) return 0;
--    if (index == gr_slatUserDefnV1)
-+    if (ind == gr_slatUserDefnV1)
-     {
--        index = gr_slatUserDefn;
-+        ind = gr_slatUserDefn;
-         subindex = 0;
-     }
--    switch (index)
-+    switch (ind)
-     {
-     case gr_slatAdvX :
-         return static_cast<int>(m_advance.x);
-@@ -259,15 +259,15 @@
-     }
- }
- 
--void Slot::setAttr(Segment *seg, attrCode index, uint8 subindex, int16 value, const SlotMap & map)
-+void Slot::setAttr(Segment *seg, attrCode ind, uint8 subindex, int16 value, const SlotMap & map)
- {
-     if (!this) return;
--    if (index == gr_slatUserDefnV1)
-+    if (ind == gr_slatUserDefnV1)
-     {
--        index = gr_slatUserDefn;
-+        ind = gr_slatUserDefn;
-         subindex = 0;
-     }
--    switch (index)
-+    switch (ind)
-     {
-     case gr_slatAdvX :
-         m_advance = Position(value, m_advance.y);
-diff -r 5369cdd12120 src/Slot.h
---- misc/build/graphite2-0.9.2/src/Slot.h	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/Slot.h	Fri Feb 18 16:05:40 2011 +0700
-@@ -47,6 +47,8 @@
-     Position advancePos() const { return m_advance; }
-     int before() const { return m_before; }
-     int after() const { return m_after; }
-+    uint32 index() const { return m_index; }
-+    void index(uint32 val) { m_index = val; }
- 
-     Slot();
-     void set(const Slot & slot, int charOffset, uint8 numUserAttr);
-@@ -58,10 +60,10 @@
-     void setGlyph(Segment *seg, uint16 glyphid, const GlyphFace * theGlyph = NULL);
-     void setRealGid(uint16 realGid) { m_realglyphid = realGid; }
-     void origin(const Position &pos) { m_position = pos + m_shift; }
--    void originate(int index) { m_original = index; }
-+    void originate(int ind) { m_original = ind; }
-     int original() const { return m_original; }
--    void before(int index) { m_before = index; }
--    void after(int index) { m_after = index; }
-+    void before(int ind) { m_before = ind; }
-+    void after(int ind) { m_after = ind; }
-     bool isBase() const { return (!m_parent); }
-     void update(int numSlots, int numCharInfo, Position &relpos);
-     Position finalise(const Segment* seg, const Font* font, Position* base, Rect* bbox, float* cMin, uint8 attrLevel, float *clusterMin);
-@@ -75,8 +77,8 @@
-     uint16 *userAttrs() { return m_userAttr; }
-     void userAttrs(uint16 *p) { m_userAttr = p; }
-     void markInsertBefore(bool state) { if (!state) m_flags |= SLOT_INSERT; else m_flags &= ~SLOT_INSERT; }
--    void setAttr(Segment* seg, attrCode index, uint8 subindex, int16 val, const SlotMap & map);
--    int getAttr(const Segment *seg, attrCode index, uint8 subindex) const;
-+    void setAttr(Segment* seg, attrCode ind, uint8 subindex, int16 val, const SlotMap & map);
-+    int getAttr(const Segment *seg, attrCode ind, uint8 subindex) const;
-     void attachTo(Slot *ap) { m_parent = ap; }
-     Slot *attachedTo() const { return m_parent; }
-     Slot* firstChild() const { return m_child; }
-@@ -96,8 +98,9 @@
-     unsigned short m_glyphid;        // glyph id
-     uint16 m_realglyphid;
-     uint32 m_original;	    // charinfo that originated this slot (e.g. for feature values)
--    uint32 m_before;           // charinfo index of before association
--    uint32 m_after;            // charinfo index of after association
-+    uint32 m_before;        // charinfo index of before association
-+    uint32 m_after;         // charinfo index of after association
-+    uint32 m_index;         // slot index given to this slot during finalising
-     Slot *m_parent;         // index to parent we are attached to
-     Slot *m_child;          // index to first child slot that attaches to us
-     Slot *m_sibling;        // index to next child that attaches to our parent
-diff -r 5369cdd12120 src/gr_char_info.cpp
---- misc/build/graphite2-0.9.2/src/gr_char_info.cpp	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/gr_char_info.cpp	Fri Feb 18 16:05:40 2011 +0700
-@@ -39,4 +39,16 @@
-     return p->breakWeight();
- }
- 
--} // extern "C"
-\ No newline at end of file
-+int gr_cinfo_after(const gr_char_info *p/*not NULL*/)
-+{
-+    assert(p);
-+    return p->after();
-+}
-+
-+int gr_cinfo_before(const gr_char_info *p/*not NULL*/)
-+{
-+    assert(p);
-+    return p->before();
-+}
-+
-+} // extern "C"
-diff -r 5369cdd12120 src/gr_segment.cpp
---- misc/build/graphite2-0.9.2/src/gr_segment.cpp	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/gr_segment.cpp	Fri Feb 18 16:05:40 2011 +0700
-@@ -162,11 +162,5 @@
-     return static_cast<const gr_slot*>(pSeg->last());
- }
- 
--void gr_seg_char_slots(const gr_segment *pSeg, gr_uint32 *begins, gr_uint32 *ends, gr_slot **sbegins, gr_slot **sends)
--{
--    assert(pSeg && begins && ends);
--    pSeg->getCharSlots(begins, ends, reinterpret_cast<Slot**>(sbegins), reinterpret_cast<Slot**>(sends));
--}
--
- 
- } // extern "C"
-diff -r 5369cdd12120 src/gr_slot.cpp
---- misc/build/graphite2-0.9.2/src/gr_slot.cpp	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/gr_slot.cpp	Fri Feb 18 16:05:40 2011 +0700
-@@ -121,6 +121,12 @@
-     return p->after();
- }
- 
-+unsigned int gr_slot_index(const gr_slot *p/*not NULL*/)
-+{
-+    assert(p);
-+    return p->index();
-+}
-+
- int gr_slot_attr(const gr_slot* p/*not NULL*/, const gr_segment* pSeg/*not NULL*/, gr_attrCode index, gr_uint8 subindex)
- {
-     assert(p);
-diff current src/List.h
---- misc/build/graphite2-0.9.2/src/List.h	Sat Feb 12 22:54:16 2011 +0700
-+++ misc/build/graphite2-0.9.2/src/List.h	Fri Feb 18 16:05:40 2011 +0700
-@@ -51,6 +51,6 @@
-     template <typename I> 
-     Vector(I first, const I last)               : m_first(0), m_last(0), m_end(0) { insert(begin(), first, last); }
--    ~Vector() { free(m_first); }
-+    ~Vector() { clear(); free(m_first); }
-     
-     iterator            begin()         { return m_first; }
-     const_iterator      begin() const   { return m_first; }
-
---- misc/graphite2-0.9.2/src/Code.cpp	2011-02-12 16:54:16.000000000 +0100
-+++ misc/build/graphite2-0.9.2/src/Code.cpp	2011-03-11 11:28:11.700215286 +0100
-@@ -168,7 +168,7 @@
-         face.getGlyphFaceCache()->numAttrs(),
-         face.numFeatures(), 
-         {1,1,1,1,1,1,1,1, 
--         1,1,1,1,1,1,1,-1, 
-+         1,1,1,1,1,1,1,(uint8)-1, 
-          1,1,1,1,1,1,1,1, 
-          1,1,1,1,1,1,0,0, 
-          0,0,0,0,0,0,0,0, 
---- misc/graphite2-0.9.2/include/graphite2/Types.h	2011-02-12 16:54:16.000000000 +0100
-+++ misc/build/graphite2-0.9.2/include/graphite2/Types.h	2011-03-15 21:38:06.264788098 +0100
-@@ -36,7 +36,7 @@
- };
- 
- // Definitions for library publicly exported symbols
--#if defined _WIN32 || defined __CYGWIN__
-+#if ( defined _WIN32 || defined __CYGWIN__ ) && !defined GR2_STATIC
-   #ifdef GR2_EXPORTING
-     #ifdef __GNUC__
-       #define GR2_API    __attribute__((dllexport))
diff --git a/graphite/graphite2-0.9.4.patch b/graphite/graphite2-0.9.4.patch
new file mode 100644
index 000000000000..e8e44a588ffe
--- /dev/null
+++ b/graphite/graphite2-0.9.4.patch
@@ -0,0 +1,85 @@
+diff -r b3a86877ec68 src/Pass.cpp
+--- misc/build/graphite2-0.9.4/src/Pass.cpp	Wed May 11 09:34:52 2011 +0700
++++ misc/build/graphite2-0.9.4/src/Pass.cpp	Mon May 16 14:23:58 2011 +0700
+@@ -513,6 +513,7 @@
+ bool Pass::testConstraint(const Rule &r, Machine & m) const
+ {
+     if (r.sort - r.preContext > (int)m.slotMap().size() - m.slotMap().context())    return false;
++    if (m.slotMap().context() - r.preContext < 0) return false;
+     if (!*r.constraint)                 return true;
+     assert(r.constraint->constraint());
+ 
+@@ -527,6 +528,7 @@
+     Machine::status_t status = Machine::finished;
+     for (int n = r.sort; n && map; --n, ++map)
+     {
++	if (!*map) continue;
+         const int32 ret = r.constraint->run(m, map, status);
+         if (!ret || status != Machine::finished)
+         {
+diff -r b3a86877ec68 src/Rule.h
+--- misc/build/graphite2-0.9.4/src/Rule.h	Wed May 11 09:34:52 2011 +0700
++++ misc/build/graphite2-0.9.4/src/Rule.h	Mon May 16 14:23:58 2011 +0700
+@@ -187,8 +187,9 @@
+   // Merge the new sorted rules list into the current sorted result set.
+   const RuleEntry * lre = begin(), * rre = state.rules;
+   RuleEntry * out = m_rules + (m_begin == m_rules)*MAX_RULES;    
++  const RuleEntry * lrend = out + MAX_RULES;
+   m_begin = out; 
+-  while (lre != end())
++  while (lre != end() && out != lrend)
+   {
+     if (*lre < *rre)      *out++ = *lre++;
+     else if (*rre < *lre) { *out++ = *rre++; }
+@@ -196,12 +197,12 @@
+ 
+     if (rre == state.rules_end) 
+     { 
+-      while (lre != end()) { *out++ = *lre++; }
++      while (lre != end() && out != lrend) { *out++ = *lre++; }
+       m_end = out;
+       return;
+     }
+   }
+-  while (rre != state.rules_end) { *out++ = *rre++; }
++  while (rre != state.rules_end && out != lrend) { *out++ = *rre++; }
+   m_end = out;
+ }
+ 
+diff -r b3a86877ec68 src/opcodes.h
+--- misc/build/graphite2-0.9.4/src/opcodes.h	Wed May 11 09:34:52 2011 +0700
++++ misc/build/graphite2-0.9.4/src/opcodes.h	Mon May 16 14:23:58 2011 +0700
+@@ -274,6 +274,7 @@
+         {
+             seg.last()->next(newSlot);
+             newSlot->prev(seg.last());
++	    newSlot->before(seg.last()->before());
+             seg.last(newSlot);
+         }
+         else
+@@ -286,10 +287,12 @@
+     {
+         iss->prev()->next(newSlot);
+         newSlot->prev(iss->prev());
++	newSlot->before(iss->prev()->after());
+     }
+     else
+     {
+         newSlot->prev(NULL);
++	newSlot->before(iss->before());
+         seg.first(newSlot);
+     }
+     newSlot->next(iss);
+@@ -297,10 +300,12 @@
+     {
+         iss->prev(newSlot);
+         newSlot->originate(iss->original());
++	newSlot->after(iss->before());
+     }
+     else if (newSlot->prev())
+     {
+         newSlot->originate(newSlot->prev()->original());
++	newSlot->after(newSlot->prev()->after());
+     }
+     else
+     {