Ignore text fragments (#301)

Temporary fix for #293.

link_fetcher.go

@@ -33,7 +33,8 @@ func (f *linkFetcher) Fetch(u string) (int, *page, error) {
 	s, p, err := f.sendRequestWithCache(u)
 	if err != nil {
 		return 0, nil, err
-	} else if p == nil || f.options.IgnoreFragments || fr == "" {
+	} else if p == nil || f.options.IgnoreFragments || fr == "" || strings.HasPrefix(fr, ":~:") {
+		// TODO Support text fragments.
 		return s, p, nil
 	} else if _, ok := p.Fragments()[fr]; !ok {
 		return 0, nil, fmt.Errorf("id #%v not found", fr)

link_fetcher_test.go

@@ -144,6 +144,24 @@ func TestLinkFetcherFetchIgnoringFragments(t *testing.T) {
 	assert.Nil(t, err)
 }
 
+func TestLinkFetcherFetchSkippingTextFragment(t *testing.T) {
+	s := "http://foo.com"
+	f := newTestLinkFetcher(
+		newFakeHttpClient(
+			func(u *url.URL) (*fakeHttpResponse, error) {
+				if u.String() != s {
+					return nil, errors.New("")
+				}
+
+				return newFakeHtmlResponse(s, ""), nil
+			},
+		),
+	)
+
+	_, _, err := f.Fetch(s + "#:~:text=foo")
+	assert.Nil(t, err)
+}
+
 func TestLinkFetcherFailToFetch(t *testing.T) {
 	f := newTestLinkFetcher(
 		newFakeHttpClient(func(*url.URL) (*fakeHttpResponse, error) {