emoji: fix usage

emoji.sh

@@ -11,7 +11,7 @@ UCD="$HOME/.local/share/emoji/ucd.all.flat.zip"
 GREP="rg"
 
 usage() {
-    echo "usage: $0 [-n] [-l LIMIT] FILTER"
+    echo "Usage: $0 [OPTION]... FILTER"
     echo "Display emojis based on the name filter provided."
     echo "  -h        show usage"
     echo "  -n        hide emoji name"

wordreference.py

@@ -192,7 +192,9 @@ def parse_common_cells(cells, meaning, is_new_meaning):
 
 def parse_example_cells(cells, meaning):
     """Parse cells of an example line (pretty much just the last one)."""
-    meaning.ex.append(cells[-1].span.text)
+    last_cell = cells[-1]
+    if (span := last_cell.span):
+        meaning.ex.append(span.text)
 
 
 def print_meaning(meaning):