From dc724a7097259d006019ce2cd5ce9dd051cc0c6f Mon Sep 17 00:00:00 2001
From: martinRenou <martin.renou@gmail.com>
Date: Mon, 28 Mar 2022 17:20:54 +0200
Subject: [PATCH] Cleanup query strings with urllib

---
 docs/index.rst            |  2 +-
 src/jupyterlite_sphinx.py | 10 +++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/docs/index.rst b/docs/index.rst
index a393683d..1abc5010 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -12,7 +12,7 @@ A Sphinx extension that provides utilities for embedding JupyterLite in your doc
    :width: 100%
    :height: 600px
 
-    print('Hello from a JupyterLite console!')
+    print("Hello from a JupyterLite console!")
 
 .. toctree::
     :caption: Installation
diff --git a/src/jupyterlite_sphinx.py b/src/jupyterlite_sphinx.py
index 8d7835ca..1ae59345 100644
--- a/src/jupyterlite_sphinx.py
+++ b/src/jupyterlite_sphinx.py
@@ -4,6 +4,8 @@
 
 from pathlib import Path
 
+from urllib.parse import quote
+
 import subprocess
 
 from docutils.parsers.rst import directives
@@ -58,12 +60,14 @@ def __init__(
     def html(self):
         replite_options = self["replite_options"]
 
-        code_lines = [line.strip().replace(" ", "%20") for line in self["content"]]
-        code = "%0A".join(code_lines)
+        code_lines = [line.strip() for line in self["content"]]
+        code = "\n".join(code_lines)
 
         replite_options["code"] = code
 
-        options = "&".join([f"{key}={value}" for key, value in replite_options.items()])
+        options = "&".join(
+            [f"{key}={quote(value)}" for key, value in replite_options.items()]
+        )
 
         return (
             f'<iframe src="{JUPYTERLITE_DIR}/repl/index.html?{options}"'