Issue #26778: Fixed "a/an/and" typos in code comment and documentation.
diff --git a/Lib/difflib.py b/Lib/difflib.py
index 3880d84..1c6fbdb 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -1487,7 +1487,7 @@
yield _make_line(lines,'-',0), None, True
continue
elif s.startswith(('--?+', '--+', '- ')):
- # in delete block and see a intraline change or unchanged line
+ # in delete block and see an intraline change or unchanged line
# coming: yield the delete line and then blanks
from_line,to_line = _make_line(lines,'-',0), None
num_blanks_to_yield,num_blanks_pending = num_blanks_pending-1,0