Mark xmlExp* symbols as removed
diff --git a/doc/symbols.xml b/doc/symbols.xml
index 99aea71..eeb049d 100644
--- a/doc/symbols.xml
+++ b/doc/symbols.xml
@@ -1658,27 +1658,27 @@
   </release>
   <release version="2.6.21">
     <symbol file="xmlautomata">xmlAutomataNewNegTrans</symbol>
-    <symbol file="xmlregexp">emptyExp</symbol>
-    <symbol file="xmlregexp">forbiddenExp</symbol>
-    <symbol file="xmlregexp">xmlExpCtxtNbCons</symbol>
-    <symbol file="xmlregexp">xmlExpCtxtNbNodes</symbol>
-    <symbol file="xmlregexp">xmlExpDump</symbol>
-    <symbol file="xmlregexp">xmlExpExpDerive</symbol>
-    <symbol file="xmlregexp">xmlExpFreeCtxt</symbol>
-    <symbol file="xmlregexp">xmlExpFree</symbol>
-    <symbol file="xmlregexp">xmlExpGetLanguage</symbol>
-    <symbol file="xmlregexp">xmlExpGetStart</symbol>
-    <symbol file="xmlregexp">xmlExpIsNillable</symbol>
-    <symbol file="xmlregexp">xmlExpMaxToken</symbol>
-    <symbol file="xmlregexp">xmlExpNewAtom</symbol>
-    <symbol file="xmlregexp">xmlExpNewCtxt</symbol>
-    <symbol file="xmlregexp">xmlExpNewOr</symbol>
-    <symbol file="xmlregexp">xmlExpNewRange</symbol>
-    <symbol file="xmlregexp">xmlExpNewSeq</symbol>
-    <symbol file="xmlregexp">xmlExpParse</symbol>
-    <symbol file="xmlregexp">xmlExpRef</symbol>
-    <symbol file="xmlregexp">xmlExpStringDerive</symbol>
-    <symbol file="xmlregexp">xmlExpSubsume</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">emptyExp</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">forbiddenExp</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpCtxtNbCons</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpCtxtNbNodes</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpDump</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpExpDerive</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpFreeCtxt</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpFree</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpGetLanguage</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpGetStart</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpIsNillable</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpMaxToken</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpNewAtom</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpNewCtxt</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpNewOr</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpNewRange</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpNewSeq</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpParse</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpRef</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpStringDerive</symbol>
+    <symbol removed="2.9.10" file="xmlregexp">xmlExpSubsume</symbol>
     <symbol file="parser">xmlHasFeature</symbol>
     <symbol file="uri">xmlParseURIRaw</symbol>
     <symbol file="pattern">xmlPatternMinDepth</symbol>
diff --git a/libxml2.syms b/libxml2.syms
index 9889cb2..c17d3d9 100644
--- a/libxml2.syms
+++ b/libxml2.syms
@@ -2070,27 +2070,27 @@
   xmlAutomataNewNegTrans;
 
 # xmlregexp
-  emptyExp; # variable
-  forbiddenExp; # variable
-  xmlExpCtxtNbCons;
-  xmlExpCtxtNbNodes;
-  xmlExpDump;
-  xmlExpExpDerive;
-  xmlExpFreeCtxt;
-  xmlExpFree;
-  xmlExpGetLanguage;
-  xmlExpGetStart;
-  xmlExpIsNillable;
-  xmlExpMaxToken;
-  xmlExpNewAtom;
-  xmlExpNewCtxt;
-  xmlExpNewOr;
-  xmlExpNewRange;
-  xmlExpNewSeq;
-  xmlExpParse;
-  xmlExpRef;
-  xmlExpStringDerive;
-  xmlExpSubsume;
+# emptyExp; removed in 2.9.10
+# forbiddenExp; removed in 2.9.10
+# xmlExpCtxtNbCons; removed in 2.9.10
+# xmlExpCtxtNbNodes; removed in 2.9.10
+# xmlExpDump; removed in 2.9.10
+# xmlExpExpDerive; removed in 2.9.10
+# xmlExpFreeCtxt; removed in 2.9.10
+# xmlExpFree; removed in 2.9.10
+# xmlExpGetLanguage; removed in 2.9.10
+# xmlExpGetStart; removed in 2.9.10
+# xmlExpIsNillable; removed in 2.9.10
+# xmlExpMaxToken; removed in 2.9.10
+# xmlExpNewAtom; removed in 2.9.10
+# xmlExpNewCtxt; removed in 2.9.10
+# xmlExpNewOr; removed in 2.9.10
+# xmlExpNewRange; removed in 2.9.10
+# xmlExpNewSeq; removed in 2.9.10
+# xmlExpParse; removed in 2.9.10
+# xmlExpRef; removed in 2.9.10
+# xmlExpStringDerive; removed in 2.9.10
+# xmlExpSubsume; removed in 2.9.10
 
 # parser
   xmlHasFeature;