WIP: Prepare for newer Pandoc versions

- It fails to build the book.pdf using LaTeX for several reasons I'm to
  lazy to note here.
- The rest of the things build perfectly (need more extensive testing
  but looks ok)

1 files changed, 5 insertions, 4 deletions

diff --git a/filters/toc.lua b/filters/toc.lua
index 102ac83..a1bc33e 100644
--- a/filters/toc.lua
+++ b/filters/toc.lua
@@ -48,7 +48,7 @@ if FORMAT:match 'html' then
                 end
                 i = i + 1
             end
-        else 
+        else
             -- toc_depth not set so get the max_level from the contents
             for i, v in ipairs(links) do
                 if v[1] > max_level then max_level = v[1] end
@@ -60,7 +60,7 @@ if FORMAT:match 'html' then
             local i = 1
             local tmp = {}
             while i <= #links do
-                local level = links[i][1]  -- Element's level 
+                local level = links[i][1]  -- Element's level
                 if level == max_level then -- Found group
                     -- If group is found, it usually has a parent
                     local parent = links[i-1]
@@ -110,9 +110,10 @@ if FORMAT:match 'html' then
     end
 
     function Meta(m)
-        local toc_depth 
+        local toc_depth = -1
+
         if m["toc-depth"] ~= nil then
-            toc_depth = tonumber(m["toc-depth"][1]["c"])
+            toc_depth = tonumber(m["toc-depth"][1].text)
         else
             toc_depth = -1
         end