diff --git a/luamml-amsmath.lua b/luamml-amsmath.lua
index 26b157b..48732f3 100644
--- a/luamml-amsmath.lua
+++ b/luamml-amsmath.lua
@@ -44,6 +44,48 @@ lua.get_functions_table()[funcid] = function()
   set_row_attribute('columnalign', token.scan_argument())
 end
 
+-- This function is used to add a intent :continued-row to
+-- rows of a split environment.
+-- we assume that the table is a mtable with mrow with mtd. 
+-- we check row 2..n. If the first cell has only one element and
+-- for this element 'tex:ignore' has been set, we assume a continued row and
+-- set the intent on the mrow.
+local function add_intent_continued_row (table)
+  for index,rowtable in ipairs(table) do
+   if table[index][1] and table[index][1][1] then -- just for safety ...
+     if index > 1 and #table[index][1]==1 and table[index][1][1]['tex:ignore'] then
+      table[index]['intent']=':continued-row'
+     end
+   end
+  end
+end
+
+-- This function add an intent =":pause-medium" on every second mtd in a table
+-- currently it is also on the first (after the label) but this could be changed
+-- used in __luamml_amsmath_finalize_table:n for 
+-- 'align' or 'alignat' or 'flalign' or  'xalignat' or 'xxalignat'
+local function add_intent_pause (mmltable)
+  for mtrindex,mtrtable in ipairs(mmltable) do
+    for mtdindex,mtdtable in ipairs(mtrtable) do
+      if (mtdindex % 2 == 0) then
+       mtdtable['intent']=':pause-medium'
+      end 
+    end
+  end
+end
+
+
+-- debug function for tables
+-- activate with \directlua{debugmtable=2} or \directlua{debugmtable='split'}
+local function debug_mtable (mtable,kind)
+ if debugmtable and (debugmtable==2) or (debugmtable==kind) then
+   texio.write_nl('==============')
+   texio.write_nl(kind)
+   texio.write_nl(table.serialize(mtable))
+   texio.write_nl('==============')
+ end
+end
+
 do
   local saved
   funcid = luatexbase.new_luafunction'__luamml_amsmath_save_inner_table:n'
@@ -51,9 +93,14 @@ do
   lua.get_functions_table()[funcid] = function()
     -- TODO: Error handling etc
     local kind = token.scan_argument()
+    kind = kind:gsub("*","")
     local mml_table = get_table()
     if not mml_table then return end
     mml_table.displaystyle = true
+    mml_table.class=kind
+    if kind=="split" then
+     add_intent_continued_row (mml_table)
+    end
     local columns = node.count(node.id'align_record', tex.lists.align_head)//2
     mml_table.columnalign = kind == 'gathered' and 'center' or string.rep('right left', columns, ' ')
     local spacing = {}
@@ -61,6 +108,7 @@ do
       spacing[#spacing+1] = n.width == 0 and '0' or string.format('%.3fpt', n.width/65781.76)
     end
     mml_table.columnspacing = #spacing > 3 and table.concat(spacing, ' ', 2, #spacing-2) or nil
+    debug_mtable(mml_table,kind)
     saved = mml_table
   end
 
@@ -70,10 +118,12 @@ do
     -- TODO: Error handling etc
     local mml_table = get_table()
     mml_table.align = 'axis'
+    mml_table.class='smallmatrix'
     mml_table.columnalign = 'center'
     mml_table.columnspacing = '0.278em'
     mml_table.rowspacing = string.format('%.3fpt', tex.lineskip.width/65781.76)
     saved = {[0] = 'mpadded', width = '+0.333em', lspace = '0.167em', mml_table}
+    debug_mtable(mml_table,kind)
     saved = mml_table
   end
 
@@ -97,18 +147,26 @@ token.set_lua('__luamml_amsmath_finalize_table:n', funcid)
 lua.get_functions_table()[funcid] = function()
   -- TODO: Error handling etc
   local kind = token.scan_argument()
+  kind = kind:gsub("*","")
   local mml_table = get_table()
   if not mml_table then return end
   mml_table.displaystyle = true
+  mml_table.class=kind
+  -- this should perhaps be configurable and extendable
+  if kind == 'align' or 'alignat' or 'flalign' or  'xalignat' or 'xxalignat' then
+   mml_table.intent=":system-of-equations"
+   add_intent_pause (mml_table)
+  end
   local columns = node.count(node.id'align_record', tex.lists.align_head)//2
-  mml_table.columnalign = kind == 'align' and string.rep('right left', columns, ' ') or nil
+  mml_table.columnalign = kind == 'align' and 'left '..string.rep('right left', columns, ' ') or nil
   mml_table.width = kind == 'multline' and '100%' or nil
   -- mml_table.side = kind == 'multline' and 'rightoverlap' or nil
   local spacing = {}
   for n in node.traverse_id(node.id'glue', tex.lists.align_head) do
     spacing[#spacing+1] = n.width == 0 and '0' or '.8em'
   end
-  mml_table.columnspacing = #spacing > 3 and table.concat(spacing, ' ', 2, #spacing-2) or nil
+  mml_table.columnspacing = #spacing > 3 and "0 "..table.concat(spacing, ' ', 2, #spacing-2) or nil
+  debug_mtable(mml_table,kind)
   save_result(mml_table, true)
 end
 
diff --git a/luamml-patches-amsmath.sty b/luamml-patches-amsmath.sty
index ad2f468..8aeba03 100644
--- a/luamml-patches-amsmath.sty
+++ b/luamml-patches-amsmath.sty
@@ -7,6 +7,25 @@
 % But they are almost identical to the original and only
 % add luamml commands in appropriate places, so they would
 % mostly disappear if there were enough hooks in amsmath.
+\IfPackageAtLeastTF{latex-lab-testphase-math}{2025-02-24}
+ {}
+ {
+  \def\common@align@ending {
+  \math@cr \black@\totwidth@
+  \UseExpandableTaggingSocket {math/luamml/mtable/finalize} {\@currenvir}
+  \egroup
+  \ifingather@
+    \restorealignstate@
+    \egroup
+    \nonumber
+    \ifnum0=`{\fi\iffalse}\fi
+  \else
+    $$%
+  \fi
+  \ignorespacesafterend
+  }
+ }
+
 \IfPackageAtLeastTF{latex-lab-testphase-math}{2025-01-24}
  {}
  {
diff --git a/testfiles-lua/test_struct.tpf b/testfiles-lua/test_struct.tpf
index 034a986..21ec100 100644
--- a/testfiles-lua/test_struct.tpf
+++ b/testfiles-lua/test_struct.tpf
@@ -28,9 +28,9 @@ endobj
 << /Type /Filespec /AFRelationship /Supplement /Desc (mathml-3) /F (mathml-3.xml) /UF <FEFF006D006100740068006D006C002D0033002E0078006D006C> /EF<</F 26 0 R/UF 26 0 R>> >>
 endobj
 28 0 obj
-<< /Type /EmbeddedFile /Subtype /application#2Fmathml+xml /Params<</ModDate (D:20160520) >> /Length 1014 >>       
+<< /Type /EmbeddedFile /Subtype /application#2Fmathml+xml /Params<</ModDate (D:20160520) >> /Length 1203 >>       
 stream
-<math display="block" xmlns="http://www.w3.org/1998/Math/MathML"> <mtable columnalign="right left right left" columnspacing="0 .8em 0" displaystyle="true"> <mtr> <mtd> <mi>𝑎</mi> <mi>𝑏</mi> <mi>𝑐</mi> </mtd> <mtd> <mo lspace="0.278em" rspace="0.278em">=</mo> <mi>𝑑</mi> <mi>𝑒</mi> <mi>𝑓</mi> </mtd> <mtd> <msup> <mi>𝑒</mi> <mrow> <mi mathvariant="normal">i</mi> <mi>𝜋</mi> </mrow> </msup> </mtd> <mtd> <mo lspace="0.278em" rspace="0">=</mo> <mo lspace="0.278em" rspace="0">−</mo> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mo fence="true" lspace="0" maxsize="17.861pt" minsize="17.861pt" rspace="0" symmetric="true">(</mo> <mn>1</mn> <mo lspace="0.222em" rspace="0.222em">+</mo> <mn>2</mn> </mtd> <mtd> <mo lspace="0.278em" rspace="0.278em">=</mo> <mn>3</mn> <mo fence="true" lspace="0" maxsize="17.861pt" minsize="17.861pt" rspace="0" symmetric="true">)</mo> </mtd> <mtd> </mtd> <mtd> </mtd> </mtr> <mtr> <mtd> <mn>5</mn> </mtd> <mtd> </mtd> <mtd> </mtd> <mtd> </mtd> </mtr> </mtable> </math>
+<math display="block" xmlns="http://www.w3.org/1998/Math/MathML"> <mtable class="align" columnalign="left right left right left" columnspacing="0 0 .8em 0" displaystyle="true" intent=":system-of-equations"> <mtr> <mtd> <mi>𝑎</mi> <mi>𝑏</mi> <mi>𝑐</mi> </mtd> <mtd intent=":pause-medium"> <mo lspace="0.278em" rspace="0.278em">=</mo> <mi>𝑑</mi> <mi>𝑒</mi> <mi>𝑓</mi> </mtd> <mtd> <msup> <mi>𝑒</mi> <mrow> <mi mathvariant="normal">i</mi> <mi>𝜋</mi> </mrow> </msup> </mtd> <mtd intent=":pause-medium"> <mo lspace="0.278em" rspace="0">=</mo> <mo lspace="0.278em" rspace="0">−</mo> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mo fence="true" lspace="0" maxsize="17.861pt" minsize="17.861pt" rspace="0" symmetric="true">(</mo> <mn>1</mn> <mo lspace="0.222em" rspace="0.222em">+</mo> <mn>2</mn> </mtd> <mtd intent=":pause-medium"> <mo lspace="0.278em" rspace="0.278em">=</mo> <mn>3</mn> <mo fence="true" lspace="0" maxsize="17.861pt" minsize="17.861pt" rspace="0" symmetric="true">)</mo> </mtd> <mtd> </mtd> <mtd intent=":pause-medium"> </mtd> </mtr> <mtr> <mtd> <mn>5</mn> </mtd> <mtd intent=":pause-medium"> </mtd> <mtd> </mtd> <mtd intent=":pause-medium"> </mtd> </mtr> </mtable> </math>
 endstream
 endobj
 29 0 obj
@@ -124,7 +124,7 @@ endobj
 << /O/NSO/NS 13 0 R/fence(true)/lspace(0)/maxsize(17.861pt)/minsize(17.861pt)/rspace(0)/symmetric(true) >>
 endobj
 189 0 obj
-<< /O/NSO/NS 13 0 R/columnalign(right left right left)/columnspacing(0 .8em 0)/displaystyle(true) >>
+<< /O/NSO/NS 13 0 R/class(align)/columnalign(left right left right left)/columnspacing(0 0 .8em 0)/displaystyle(true)/intent(:system-of-equations) >>
 endobj
 196 0 obj
 << /Subtype /application#2Fx-tex/Type /EmbeddedFile /Params<</ModDate (D:20160520) >> /Length 27 >>         
@@ -1798,27 +1798,27 @@ endobj
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 trailer
 << /Size 254 /Root 252 0 R /Info 253 0 R /ID [ <2350CAD05F8A7AF0AA4058486855344F> <2350CAD05F8A7AF0AA4058486855344F> ] >>
 startxref
-69694
+69932
 %%EOF
diff --git a/testfiles-lua/test_xml.mlr b/testfiles-lua/test_xml.mlr
index 703a9a0..e1aa986 100644
--- a/testfiles-lua/test_xml.mlr
+++ b/testfiles-lua/test_xml.mlr
@@ -125,14 +125,14 @@
   </msup>
 </math>
 <math display="block" xmlns="http://www.w3.org/1998/Math/MathML">
-  <mtable columnalign="right left right left" columnspacing="0 .8em 0" displaystyle="true">
+  <mtable class="align" columnalign="left right left right left" columnspacing="0 0 .8em 0" displaystyle="true" intent=":system-of-equations">
     <mtr>
       <mtd>
         <mi>𝑎</mi>
         <mi>𝑏</mi>
         <mi>𝑐</mi>
       </mtd>
-      <mtd>
+      <mtd intent=":pause-medium">
         <mo lspace="0.278em" rspace="0.278em">=</mo>
         <mi>𝑑</mi>
         <mi>𝑒</mi>
@@ -147,7 +147,7 @@
           </mrow>
         </msup>
       </mtd>
-      <mtd>
+      <mtd intent=":pause-medium">
         <mo lspace="0.278em" rspace="0">=</mo>
         <mo lspace="0.278em" rspace="0">−</mo>
         <mn>1</mn>
@@ -160,21 +160,21 @@
         <mo lspace="0.222em" rspace="0.222em">+</mo>
         <mn>2</mn>
       </mtd>
-      <mtd>
+      <mtd intent=":pause-medium">
         <mo lspace="0.278em" rspace="0.278em">=</mo>
         <mn>3</mn>
         <mo fence="true" lspace="0" maxsize="17.861pt" minsize="17.861pt" rspace="0" symmetric="true">)</mo>
       </mtd>
       <mtd></mtd>
-      <mtd></mtd>
+      <mtd intent=":pause-medium"></mtd>
     </mtr>
     <mtr>
       <mtd>
         <mn>5</mn>
       </mtd>
+      <mtd intent=":pause-medium"></mtd>
       <mtd></mtd>
-      <mtd></mtd>
-      <mtd></mtd>
+      <mtd intent=":pause-medium"></mtd>
     </mtr>
   </mtable>
 </math>