Lua filter: revert to non-destructuring filters

We want to provide an interface familiar to users of other filtering
libraries.

4 files changed, 12 insertions, 11 deletions

diff --git a/test/lua/markdown-reader.lua b/test/lua/markdown-reader.lua
index a72af5546..aefba4bdf 100644
--- a/test/lua/markdown-reader.lua
+++ b/test/lua/markdown-reader.lua
@@ -1,10 +1,10 @@
 return {
   {
-    RawBlock = function (format, content)
-      if format == "markdown" then
-        return pandoc.reader.markdown.read_block(content)
+    RawBlock = function (elem)
+      if elem.format == "markdown" then
+        return pandoc.reader.markdown.read_block(elem.text)
       else
-        return blk
+        return elem
       end
     end,
   }
diff --git a/test/lua/plain-to-para.lua b/test/lua/plain-to-para.lua
index a11edbbe2..aa12a97d3 100644
--- a/test/lua/plain-to-para.lua
+++ b/test/lua/plain-to-para.lua
@@ -1,6 +1,6 @@
 return {
-  { Plain = function (content)
-      return pandoc.Para(content)
+  { Plain = function (elem)
+      return pandoc.Para(elem.content)
   end,
   }
 }
diff --git a/test/lua/single-to-double-quoted.lua b/test/lua/single-to-double-quoted.lua
index 8a0a5732a..45c184c95 100644
--- a/test/lua/single-to-double-quoted.lua
+++ b/test/lua/single-to-double-quoted.lua
@@ -1,7 +1,8 @@
 return {
   {
-    SingleQuoted = function (content)
-      return pandoc.Quoted("DoubleQuote", content)
+    SingleQuoted = function (elem)
+      elem.quotetype = "DoubleQuote"
+      return elem
     end,
   }
 }
diff --git a/test/lua/strmacro.lua b/test/lua/strmacro.lua
index 40756a476..a2711798a 100644
--- a/test/lua/strmacro.lua
+++ b/test/lua/strmacro.lua
@@ -1,10 +1,10 @@
 return {
   {
-    Str = function (str)
-      if str == "{{helloworld}}" then
+    Str = function (elem)
+      if elem.text == "{{helloworld}}" then
         return pandoc.Emph {pandoc.Str "Hello, World"}
       else
-        return pandoc.Str(str)
+        return elem
       end
     end,
   }