275 fwd and back links are visible on the screenshot on the main page

docs/roadmap.md

@@ -24,12 +24,6 @@ graph LR
         click literal-clickable "https://github.com/iolanta-tech/iolanta/issues/260"
         class literal-clickable bug
 
-        back("'Back' ← link is visible") --> nanopublication-is-not-satisfactory
-        class back bug
-
-        fwd("'Fwd' → link is visible") --> nanopublication-is-not-satisfactory
-        class fwd bug
-
         spec("YAML-LD spec is a URL<br/>not title") --> nanopublication-is-not-satisfactory
         class spec bug
     end

iolanta/facets/textual_browser/page_switcher.py

@@ -258,6 +258,10 @@ def check_action(
                 return not is_loading
             case 'abort':
                 return is_loading
+            case 'back':
+                return bool(self.history.past)
+            case 'forward':
+                return bool(self.history.future)
 
         return True
 
@@ -288,12 +292,15 @@ def action_goto(
     def action_back(self):
         """Go backward."""
         self.current = self.history.back().page_id
-        self.focus()
+        if page := self.visible_content:
+            page.focus()
 
     def action_forward(self):
         """Go forward."""
         self.current = self.history.forward().page_id
         self.focus()
+        if page := self.visible_content:
+            page.focus()
 
 
 class ConsoleSwitcher(ContentSwitcher):

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "iolanta"
-version = "1.2.9"
+version = "1.2.10"
 description = "Semantic Web browser"
 authors = ["Anatoly Scherbakov <altaisoft@gmail.com>"]
 license = "MIT"