help: display current config

BOARD.txt

@@ -48,3 +48,4 @@ gopher?
 opt. maintain history between sessions
 history (forward) (useful?)
 search in page (ugh)
+get/set config using command-line

bebop/browser/browser.py

@@ -17,8 +17,8 @@ from bebop.bookmarks import (
 from bebop.colors import ColorPair, init_colors
 from bebop.command_line import CommandLine
 from bebop.external import open_external_program
-from bebop.help import HELP_PAGE
 from bebop.fs import get_identities_list_path
+from bebop.help import get_help
 from bebop.history import History
 from bebop.identity import load_identities
 from bebop.links import Links
@@ -593,7 +593,7 @@ class Browser:
 
     def open_help(self):
         """Show the help page."""
-        self.open_internal_page("help", HELP_PAGE)
+        self.open_internal_page("help", get_help(self.config))
 
     def prompt(self, text, keys):
         """Display the text and allow it to type one of the given keys."""

bebop/help.py

@@ -46,4 +46,18 @@ with arguments by pressing the corresponding keybind above.
 * o/open <url>: open this URL
 * forget_certificate <hostname>: remove saved fingerprint for the hostname
 * q/quit: well, quit
+
+## Configuration
+
+The current configuration is:
+
+{config_list}
 """
+
+
+def get_help(config):
+    config_list = "\n".join(
+        f"* {key} = {value}"
+        for key, value in config.items()
+    )
+    return HELP_PAGE.format(config_list=config_list)