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

test/tests/paragraph run force.lua

@@ -7,14 +7,14 @@ _[19]={}
 _[18]={}
 _[17]={}
 _[16]={}
-_[15]={data="b",tags=_[23]}
-_[14]={data="x",tags=_[22]}
-_[13]={data="Force no checkpoint:",tags=_[21]}
-_[12]={data="b",tags=_[20]}
-_[11]={data="a",tags=_[19]}
-_[10]={data="From checkpoint:",tags=_[18]}
-_[9]={data="a",tags=_[17]}
-_[8]={data="Force run checkpoint:",tags=_[16]}
+_[15]={tags=_[23],text="b"}
+_[14]={tags=_[22],text="x"}
+_[13]={tags=_[21],text="Force no checkpoint:"}
+_[12]={tags=_[20],text="b"}
+_[11]={tags=_[19],text="a"}
+_[10]={tags=_[18],text="From checkpoint:"}
+_[9]={tags=_[17],text="a"}
+_[8]={tags=_[16],text="Force run checkpoint:"}
 _[7]={_[13],_[14],_[15]}
 _[6]={_[10],_[11],_[12]}
 _[5]={_[8],_[9]}
@@ -25,31 +25,31 @@ _[1]={"text",_[5]}
 return {_[1],_[2],_[3],_[4]}
 --[[
 { "text", { {
-      data = "Force run checkpoint:",
-      tags = {}
+      tags = {},
+      text = "Force run checkpoint:"
     }, {
-      data = "a",
-      tags = {}
+      tags = {},
+      text = "a"
     } } }
 { "text", { {
-      data = "From checkpoint:",
-      tags = {}
+      tags = {},
+      text = "From checkpoint:"
     }, {
-      data = "a",
-      tags = {}
+      tags = {},
+      text = "a"
     }, {
-      data = "b",
-      tags = {}
+      tags = {},
+      text = "b"
     } } }
 { "text", { {
-      data = "Force no checkpoint:",
-      tags = {}
+      tags = {},
+      text = "Force no checkpoint:"
     }, {
-      data = "x",
-      tags = {}
+      tags = {},
+      text = "x"
     }, {
-      data = "b",
-      tags = {}
+      tags = {},
+      text = "b"
     } } }
 { "return" }
 ]]--