Cleanup previous PR and add changelog entry

docs/changelog.rst

@@ -38,6 +38,8 @@ To update |kitty|, :doc:`follow the instructions <binary>`.
 - query terminal kitten: Allow querying font face and size information
   (:iss:`3756`)
 
+- hyperlinked grep kitten: Fix context options not generating contextual output (:iss:`3759`)
+
 
 0.21.1 [2021-06-14]
 ----------------------

kittens/hyperlinked_grep/main.py

@@ -29,7 +29,7 @@ def main() -> None:
     write: Callable[[bytes], None] = cast(Callable[[bytes], None], sys.stdout.buffer.write)
     sgr_pat = re.compile(br'\x1b\[.*?m')
     osc_pat = re.compile(b'\x1b\\].*?\x1b\\\\')
-    num_pat = re.compile(b'^(\\d+)[:\\-]')
+    num_pat = re.compile(br'^(\d+)[:-]')
 
     in_result: bytes = b''
     hostname = socket.gethostname().encode('utf-8')