fix math braced prefix-only CURIE

1 files changed, 3 insertions, 2 deletions

diff --git a/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua b/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua
index d8fd339..d0f68ab 100644
--- a/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua
+++ b/_extensions/ruc-play/semantic-markdown/semantic-markdown.lua
@@ -111,11 +111,12 @@ local curie_default = ":"
 --- @see <https://www.w3.org/TR/rdf12-concepts/#vocabularies>
 local function Namespaces(blocks)
 
-  -- paragraph with only a braced reference CURIE, colon and one word
+  -- paragraph with only a braced prefix-only CURIE, colon and one word
+  local pattern = "^{"..curie_prefix.."}:$"
   if #blocks.content == 3
     and blocks.content[1].t == "Str"
     and blocks.content[2].t == "Space"
-    and blocks.content[1].text:match "^{"..curie_no_ref.."}%:%:$"
+    and blocks.content[1].text:match(pattern)
   then
 
     -- default namespace, misparsed as a citation