Apply suggestions from self code review of v5.5.5-rc3

* Minor tweaks to various comments for correctness and readability

Co-authored-by: Mr. Walls <reactive-firewall@users.noreply.github.com>

Author: reactive-firewall

CHANGELOG.md

@@ -17,6 +17,8 @@
 
 * Aligned parsing logic with [PEP 753](https://peps.python.org/pep-0753/)
 * Refactored to better leverage f-strings to improve performance slightly
+* Fixed various warnings in tests
+* Got rid of historical Python 3.5 left-overs
 
 ### 5.5.2
 

Makefile

@@ -85,6 +85,7 @@ ifndef PIP_COMMON_FLAGS
 endif
 
 ifeq "$(DEV_PAT)" ""
+	# Replaces 'filelock==*' with 'filelock>=3.19.1' for Python 3.9 support
 	DEV_PAT=s/^\(filelock\)\(=+\)\(\[0-9.\]+\)\$$/\\1\>\=3.19.1/g
 endif
 
@@ -104,8 +105,12 @@ ifeq "$(DO_FAIL)" ""
 	DO_FAIL=$(ECHO) "ok"
 endif
 
-ifeq "$(MV)" ""
-	MV=$(COMMAND) mv -f
+ifeq "$(SED)" ""
+	SED=$(COMMAND) sed -r
+endif
+
+ifeq "$(TEST)" ""
+	TEST=builtin test
 endif
 
 ifeq "$(RM)" ""

piplicenses.py

@@ -94,7 +94,7 @@
 
 
 def extract_homepage(metadata: Message) -> str | None:
-    """Extracts the home page from the package metadata.
+    """Extracts a homepage attribute from the package metadata.
 
     Retrieve home page from the PEP 753 `Project-URL` metadata.
     As a fallback, try the Core Metadata 1.0 home-page attribute.
@@ -131,6 +131,7 @@ def extract_homepage(metadata: Message) -> str | None:
         "source",
         "repository",
         "changelog",
+        "documentation",
         "bug tracker",
     ):
         if priority_key in candidates: