Handle events in text interpolation; capture text events in choice lines; improve test script

test/tests/resume from paragraph with nested condition.lua

@@ -3,10 +3,10 @@ _[17]={}
 _[16]={}
 _[15]={}
 _[14]={}
-_[13]={data="x",tags=_[17]}
-_[12]={data="y",tags=_[16]}
-_[11]={data="x",tags=_[15]}
-_[10]={data="x",tags=_[14]}
+_[13]={tags=_[17],text="x"}
+_[12]={tags=_[16],text="y"}
+_[11]={tags=_[15],text="x"}
+_[10]={tags=_[14],text="x"}
 _[9]={_[13]}
 _[8]={_[12]}
 _[7]={_[11]}
@@ -19,20 +19,20 @@ _[1]={"text",_[6]}
 return {_[1],_[2],_[3],_[4],_[5]}
 --[[
 { "text", { {
-      data = "x",
-      tags = {}
+      tags = {},
+      text = "x"
     } } }
 { "text", { {
-      data = "x",
-      tags = {}
+      tags = {},
+      text = "x"
     } } }
 { "text", { {
-      data = "y",
-      tags = {}
+      tags = {},
+      text = "y"
     } } }
 { "text", { {
-      data = "x",
-      tags = {}
+      tags = {},
+      text = "x"
     } } }
 { "return" }
 ]]--