chore/integrate-open-prs (#5)

* docs: integrate upstream PR #116

* feat: integrate upstream PR #113

* chore: add portable-atomic for viewport atomics (upstream PR #111)

* fix(examples): integrate upstream PR #100

* fix(word): integrate upstream PR #98

* fix(widget): handle wide unicode char widths in horizontal scroll (upstream PR #94)

* feat(highlight): integrate upstream PR #93

* chore(release): prepare v0.8.0 docs and CI-clean merged upstream updates

* docs(license): rename LICENSE.txt to LICENSE and fix header capitalization

examples/editor.rs

@@ -338,7 +338,7 @@ impl Editor<'_> {
                     }
                     input => {
                         let buffer = &mut self.buffers[self.current];
-                        buffer.modified = buffer.textarea.input(input);
+                        buffer.modified |= buffer.textarea.input(input);
                     }
                 }
             }

examples/tuirs_editor.rs

@@ -341,7 +341,7 @@ impl Editor<'_> {
                     }
                     input => {
                         let buffer = &mut self.buffers[self.current];
-                        buffer.modified = buffer.textarea.input(input);
+                        buffer.modified |= buffer.textarea.input(input);
                     }
                 }
             }