Using urllib to parse/quote.

app.py

@@ -1,6 +1,8 @@
 import streamlit as st
 import langcodes
 from requests_html import HTMLSession
+import urllib
+
 
 st.write("# Language code/tag search")
 st.write("Fed up with language tag confusion? Here's your one-stop shop!")
@@ -39,8 +41,8 @@ if lang is None:
   except LookupError as e:
     st.write("## Result: failure!")
     st.write(f"Unable to look up language code. But all hope is not lost...")
-    st.write(f"* You can also try https://r12a.github.io/app-subtags/")
-    st.write(f"* Or possibly https://glottolog.org/glottolog?search={langtext}")
+    st.write(f"* You can also try https://r12a.github.io/app-subtags/")    
+    st.write(f"* Or possibly https://glottolog.org/glottolog?search={urllib.parse.quote(langtext)}")
     lang = None
 
 
@@ -78,8 +80,9 @@ if lang is not None:
 
   st.write(f"Broader tags for this language, if any:")
   st.write(broader_tags)
-  st.write(f"Try also: https://r12a.github.io/app-subtags/?lookup={lang}, which will likely have links to Ethnologue, Wikipedia, and Character usage.")
-  st.write(f"https://glottolog.org/glottolog?search={t_variant} may be also of interest, with links to various resources including WALS, Wikidata, Odin, and OLAC. If that doesn't work, try https://glottolog.org/glottolog?search={b_variant}, or put in a [custom search query](https://glottolog.org/glottolog)")  
+  st.write(f"Try also: https://r12a.github.io/app-subtags/?lookup={lang}, which will likely have links to Ethnologue, Wikipedia, and Character usage, or alternately [searching for the original string {langtext}](https://r12a.github.io/app-subtags/?find={langtext}")
+  st.write(f"https://glottolog.org/glottolog?search={t_variant} may be also of interest, with links to various resources including WALS, Wikidata, Odin, and OLAC. If that doesn't work, try https://glottolog.org/glottolog?search={b_variant}, or put in a [custom search query](https://glottolog.org/glottolog)") 
+  st.write(f"https://glottolog.org/glottolog?search={urllib.parse.quote(langtext)} may pull up something as well. " 
 
   # ethnologue prefers T for german (deu), and T for French
   st.write("## Older Codes")