FP fix for tcl.tk

Exclude the main TCL site from the *.tk answer regexes

findspam.py

@@ -857,7 +857,7 @@ class FindSpam:
          'reason': "pattern-matching website in {}", 'title': True, 'body': True, 'username': True,
          'stripcodeblocks': False, 'body_summary': True, 'max_rep': 1, 'max_score': 0},
         # The TLDs of Iran, Pakistan, and Tokelau in answers
-        {'regex': r'(?i)http\S*\.(ir|pk|tk)[/"<]', 'all': True,
+        {'regex': r'(?i)http\S*(?<![/.]tcl)\.(ir|pk|tk)[/"<]', 'all': True,
          'sites': [], 'reason': "pattern-matching website in {}", 'title': True, 'body': True, 'username': True,
          'stripcodeblocks': False, 'body_summary': True, 'max_rep': 1, 'max_score': 0, 'questions': False},
         # Suspicious health-related websites, health sites are exempt
@@ -901,7 +901,7 @@ class FindSpam:
          'sites': [], 'reason': 'bad keyword with a link in {}', 'title': False, 'body': True, 'username': False,
          'stripcodeblocks': False, 'body_summary': False, 'questions': False, 'max_rep': 1, 'max_score': 0},
         # non-linked .tk site at the end of an answer
-        {'regex': r'(?is)\w{3}\.tk(?:</strong>)?\W*</p>\s*$', 'all': True,
+        {'regex': r'(?is)\w{3}(?<![/.]tcl)\.tk(?:</strong>)?\W*</p>\s*$', 'all': True,
          'sites': [], 'reason': 'pattern-matching website in {}', 'title': False, 'body': True, 'username': False,
          'stripcodeblocks': False, 'body_summary': False, 'questions': False, 'max_rep': 1, 'max_score': 0},
         # non-linked site at the end of a short answer