Add missing context help. (PR #12034)

* Fixes some missing context help in advanced settings panel.

source/gui/settingsDialogs.py

@@ -2478,6 +2478,9 @@ class AdvancedPanelControls(
 	"""Holds the actual controls for the Advanced Settings panel, this allows the state of the controls to
 	be more easily managed.
 	"""
+
+	helpId = "AdvancedSettings"
+
 	def __init__(self, parent):
 		super().__init__(parent)
 		self._defaultsRestored = False
@@ -2581,6 +2584,7 @@ def __init__(self, parent):
 			pgettext("advanced.uiaWithChromium", "No"),
 		)
 		self.UIAInChromiumCombo = UIAGroup.addLabeledControl(label, wx.Choice, choices=chromiumChoices)
+		self.bindHelpEvent("ChromiumUIA", self.UIAInChromiumCombo)
 		self.UIAInChromiumCombo.SetSelection(config.conf["UIA"]["allowInChromium"])
 		self.UIAInChromiumCombo.defaultValue = self._getDefaultValue(["UIA", "allowInChromium"])
 
@@ -2628,6 +2632,7 @@ def __init__(self, parent):
 			"difflib"
 		)
 		self.diffAlgoCombo = terminalsGroup.addLabeledControl(diffAlgoComboText, wx.Choice, choices=diffAlgoChoices)
+		self.bindHelpEvent("DiffAlgo", self.diffAlgoCombo)
 		curChoice = self.diffAlgoVals.index(
 			config.conf['terminals']['diffAlgo']
 		)

user_docs/en/userGuide.t2t

@@ -1857,7 +1857,7 @@ This feature is available and enabled by default on Windows 10 versions 1607 and
 Warning: with this option enabled, typed characters that do not appear onscreen, such as passwords, will not be suppressed.
 In untrusted environments, you may temporarily disable [speak typed characters #KeyboardSettingsSpeakTypedCharacters] and [speak typed words #KeyboardSettingsSpeakTypedWords] when entering passwords.
 
-==== Diff algorithm ====[AdvancedSettingsDiffAlgo]
+==== Diff algorithm ====[DiffAlgo]
 This setting controls how NVDA determines the new text to speak in terminals.
 The diff algorithm combo box has three options:
 - Automatic: as of NVDA 2021.1, this option is equivalent to Difflib.