diff -r 5c771653d5ac -r 5fc5f93a8cad markdown_it.lua
--- a/markdown_it.lua	Mon Sep 07 09:14:53 2020 +0300
+++ b/markdown_it.lua	Mon Sep 07 09:15:21 2020 +0300
@@ -28,7 +28,7 @@
     if katex_config then
         cmd = cmd .. " '" .. katex_config .. "'"
     end
-    io.stdout:write('Executing ' .. cmd .. '\n')
+    -- io.stdout:write('Executing ' .. cmd .. '\n')
     h = io.popen(cmd, 'r')
     result = h:read("*a")
     h:close()