1 files changed, 2 insertions, 1 deletions
diff --git a/rst_context.lua b/rst_context.lua
index f9eab29..b85ef2c 100644
--- a/rst_context.lua
+++ b/rst_context.lua
@@ -967,10 +967,11 @@ function rst_context.footnote (label, content)
 end
 
 function rst_context.substitution_definition (subtext, directive, data)
+    data = table.concat(data, "\n")
     print(subtext,directive,data)
     local rs = rst_context.substitutions
     rs[subtext] = { directive = directive, data = data }
-    return "\n% substitution definition block\n"
+    return ""
 end
 
 optional_setups = {}