Merge pull request #517 from fsfe/fix-copyright-detection

Fix copyright detection

Author: linozen

CHANGELOG.md

@@ -79,6 +79,9 @@ The versions follow [semantic versioning](https://semver.org).
 
 - Updated SPDX license list to 3.17. (#513)
 
+- The copyright detection mechanism now silently accepts the following strings:
+  `Copyright(c)` and `Copyright(C)`. (#440)
+
 ### Deprecated
 
 - Deprecated `--explicit-license` in favour of `--force-dot-license`.

src/reuse/_util.py

@@ -62,7 +62,7 @@
         r"(?P<statement>.*)?)" + _END_PATTERN
     ),
     re.compile(
-        r"(?P<copyright>(?P<prefix>Copyright(\s\([cC]\))?)\s+"
+        r"(?P<copyright>(?P<prefix>Copyright(\s?\([cC]\))?)\s+"
         r"((?P<year>\d{4} - \d{4}|\d{4}),?\s+)?"
         r"(?P<statement>.*)?)" + _END_PATTERN
     ),