help: reformat all the help text so that it is <80 chars

src/streamlink/plugins/abweb.py

@@ -34,7 +34,10 @@ class ABweb(Plugin):
             required=True,
             requires=["password"],
             metavar="USERNAME",
-            help="The username associated with your ABweb account, required to access any ABweb stream.",
+            help="""
+            The username associated with your ABweb account, required to access any
+            ABweb stream.
+            """,
             prompt="Enter ABweb username"
         ),
         PluginArgument(
@@ -48,10 +51,9 @@ class ABweb(Plugin):
             "purge-credentials",
             action="store_true",
             help="""
-        Purge cached ABweb credentials to initiate a new session
-        and reauthenticate.
-        """
-        )
+            Purge cached ABweb credentials to initiate a new session and
+            reauthenticate.
+            """)
     )
 
     def __init__(self, url):

src/streamlink/plugins/bbciplayer.py

@@ -76,7 +76,10 @@ class BBCiPlayer(Plugin):
         PluginArgument(
             "hd",
             action="store_true",
-            help="Prefer HD streams over local SD streams, some live programmes may not be broadcast in HD."
+            help="""
+            Prefer HD streams over local SD streams, some live programmes may
+            not be broadcast in HD.
+            """
         ),
     )
 

src/streamlink/plugins/btsports.py

@@ -18,7 +18,11 @@ class BTSports(Plugin):
             requires=["password"],
             metavar="EMAIL",
             required=True,
-            help="The email associated with your BT Sport account, required to access any BT Sport stream."
+            help="""
+            The email associated with your BT Sport account, required to access any
+            BT Sport stream.
+            """
+
         ),
         PluginArgument(
             "password",

src/streamlink/plugins/funimationnow.py

@@ -175,7 +175,8 @@ class FunimationNow(Plugin):
             argument_name="funimation-mux-subtitles",
             action="store_true",
             help="""
-            Enable automatically including available subtitles in to the output stream.
+            Enable automatically including available subtitles in to the output
+            stream.
             """
         )
     )

src/streamlink/plugins/zattoo.py

@@ -58,25 +58,23 @@ class Zattoo(Plugin):
             requires=["password"],
             metavar="EMAIL",
             help="""
-        The email associated with your zattoo account, required to access any zattoo stream.
-        """
-        ),
+            The email associated with your zattoo account, required to access
+            any zattoo stream.
+            """),
         PluginArgument(
             "password",
             sensitive=True,
             metavar="PASSWORD",
             help="""
-        A zattoo account password to use with --zattoo-email.
-        """
-        ),
+            A zattoo account password to use with --zattoo-email.
+            """),
         PluginArgument(
             "purge-credentials",
             action="store_true",
             help="""
-        Purge cached zattoo credentials to initiate a new session
-        and reauthenticate.
-        """
-        )
+            Purge cached zattoo credentials to initiate a new session
+            and reauthenticate.
+            """)
     )
 
     def __init__(self, url):