trypandoc: ensure that support file boxes removed when params cleared.

1 files changed, 4 insertions, 0 deletions

diff --git a/trypandoc/trypandoc.js b/trypandoc/trypandoc.js
index aaed60704..3de0cde99 100644
--- a/trypandoc/trypandoc.js
+++ b/trypandoc/trypandoc.js
@@ -128,6 +128,10 @@ function setFormFromParams() {
     document.getElementById("standalone").checked = params.standalone;
     document.getElementById("citeproc").checked = params.citeproc;
     document.getElementById("html-math-method").value = params["html-math-method"];
+    const files = document.querySelectorAll(".file");
+    files.forEach(file => {
+      file.remove();
+    });
     for (const filename in params.files) {
       addFile(filename, params.files[filename]);
     }