Fix rendering of external links (#2292)
This commit is contained in:
Ethan Koenig
Andrey Nering
parent
2282e24028
commit
29f3a6e492
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@ -69,12 +69,29 @@ var (
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// AnySHA1Pattern allows to split url containing SHA into parts
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AnySHA1Pattern = regexp.MustCompile(`(http\S*)://(\S+)/(\S+)/(\S+)/(\S+)/([0-9a-f]{40})(?:/?([^#\s]+)?(?:#(\S+))?)?`)
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// IssueFullPattern allows to split issue (and pull) URLs into parts
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IssueFullPattern = regexp.MustCompile(`(?:^|\s|\()(http\S*)://((?:[^\s/]+/)+)((?:\w{1,10}-)?[1-9][0-9]*)([\?|#]\S+.(\S+)?)?\b`)
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validLinksPattern = regexp.MustCompile(`^[a-z][\w-]+://`)
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)
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// regexp for full links to issues/pulls
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var issueFullPattern *regexp.Regexp
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// InitMarkdown initialize regexps for markdown parsing
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func InitMarkdown() {
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getIssueFullPattern()
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}
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func getIssueFullPattern() *regexp.Regexp {
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if issueFullPattern == nil {
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appURL := setting.AppURL
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if len(appURL) > 0 && appURL[len(appURL)-1] != '/' {
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appURL += "/"
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}
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issueFullPattern = regexp.MustCompile(appURL +
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`\w+/\w+/(?:issues|pulls)/((?:\w{1,10}-)?[1-9][0-9]*)([\?|#]\S+.(\S+)?)?\b`)
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}
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return issueFullPattern
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}
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// isLink reports whether link fits valid format.
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func isLink(link []byte) bool {
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return validLinksPattern.Match(link)
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@ -323,32 +340,17 @@ func renderFullSha1Pattern(rawBytes []byte, urlPrefix string) []byte {
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return rawBytes
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}
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// renderFullIssuePattern renders issues-like URLs
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func renderFullIssuePattern(rawBytes []byte, urlPrefix string) []byte {
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ms := IssueFullPattern.FindAllSubmatch(rawBytes, -1)
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// RenderFullIssuePattern renders issues-like URLs
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func RenderFullIssuePattern(rawBytes []byte) []byte {
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ms := getIssueFullPattern().FindAllSubmatch(rawBytes, -1)
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for _, m := range ms {
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all := m[0]
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protocol := string(m[1])
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paths := bytes.Split(m[2], []byte("/"))
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paths = paths[:len(paths)-1]
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if bytes.HasPrefix(paths[0], []byte("gist.")) {
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continue
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}
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path := protocol + "://" + string(m[2])
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id := string(m[3])
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path = URLJoin(path, id)
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var comment []byte
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if len(m) > 3 {
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comment = m[4]
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}
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urlSuffix := ""
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id := string(m[1])
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text := "#" + id
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if comment != nil {
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urlSuffix += string(comment)
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text += " <i class='comment icon'></i>"
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}
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// TODO if m[2] is not nil, then link is to a comment,
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// and we should indicate that in the text somehow
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rawBytes = bytes.Replace(rawBytes, all, []byte(fmt.Sprintf(
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`<a href="%s%s">%s</a>`, path, urlSuffix, text)), -1)
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`<a href="%s">%s</a>`, string(all), text)), -1)
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}
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return rawBytes
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}
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@ -550,12 +552,12 @@ func RenderSpecialLink(rawBytes []byte, urlPrefix string, metas map[string]strin
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[]byte(fmt.Sprintf(`<a href="%s">%s</a>`, URLJoin(setting.AppURL, string(m[1:])), m)), -1)
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}
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rawBytes = RenderFullIssuePattern(rawBytes)
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rawBytes = RenderShortLinks(rawBytes, urlPrefix, false, isWikiMarkdown)
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rawBytes = RenderIssueIndexPattern(rawBytes, urlPrefix, metas)
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rawBytes = RenderCrossReferenceIssueIndexPattern(rawBytes, urlPrefix, metas)
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rawBytes = renderFullSha1Pattern(rawBytes, urlPrefix)
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rawBytes = renderSha1CurrentPattern(rawBytes, urlPrefix)
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rawBytes = renderFullIssuePattern(rawBytes, urlPrefix)
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return rawBytes
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}
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@ -209,13 +209,15 @@ func TestRender_AutoLink(t *testing.T) {
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numericIssueLink(URLJoin(setting.AppSubURL, "issues"), 3333))
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// render external issue URLs
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tmp := "http://1111/2222/ssss-issues/3333?param=blah&blahh=333"
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test(tmp, "<a href=\""+tmp+"\">#3333 <i class='comment icon'></i></a>")
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test("http://test.com/issues/33333", numericIssueLink("http://test.com/issues", 33333))
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test("https://issues/333", numericIssueLink("https://issues", 333))
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for _, externalURL := range []string{
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"http://1111/2222/ssss-issues/3333?param=blah&blahh=333",
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"http://test.com/issues/33333",
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"https://issues/333"} {
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test(externalURL, externalURL)
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}
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// render valid commit URLs
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tmp = URLJoin(AppSubURL, "commit", "d8a994ef243349f321568f9e36d5c3f444b99cae")
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tmp := URLJoin(AppSubURL, "commit", "d8a994ef243349f321568f9e36d5c3f444b99cae")
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test(tmp, "<a href=\""+tmp+"\">d8a994ef24</a>")
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tmp += "#diff-2"
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test(tmp, "<a href=\""+tmp+"\">d8a994ef24 (diff-2)</a>")
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@ -368,6 +370,22 @@ func TestRender_CrossReferences(t *testing.T) {
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`<p><a href="`+URLJoin(AppURL, "gogits", "gogs", "issues", "12345")+`" rel="nofollow">gogits/gogs#12345</a></p>`)
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}
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func TestRender_FullIssueURLs(t *testing.T) {
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setting.AppURL = AppURL
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setting.AppSubURL = AppSubURL
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test := func(input, expected string) {
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result := RenderFullIssuePattern([]byte(input))
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assert.Equal(t, expected, string(result))
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}
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test("Here is a link https://git.osgeo.org/gogs/postgis/postgis/pulls/6",
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"Here is a link https://git.osgeo.org/gogs/postgis/postgis/pulls/6")
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test("Look here http://localhost:3000/person/repo/issues/4",
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`Look here <a href="http://localhost:3000/person/repo/issues/4">#4</a>`)
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test("http://localhost:3000/person/repo/issues/4#issuecomment-1234",
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`<a href="http://localhost:3000/person/repo/issues/4#issuecomment-1234">#4</a>`)
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}
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func TestRegExp_MentionPattern(t *testing.T) {
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trueTestCases := []string{
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"@Unknwon",
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@ -558,50 +576,6 @@ func TestRegExp_AnySHA1Pattern(t *testing.T) {
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}
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}
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func TestRegExp_IssueFullPattern(t *testing.T) {
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testCases := map[string][]string{
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"https://github.com/gogits/gogs/pull/3244": {
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"https",
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"github.com/gogits/gogs/pull/",
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"3244",
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"",
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"",
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},
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"https://github.com/gogits/gogs/issues/3247#issuecomment-231517079": {
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"https",
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"github.com/gogits/gogs/issues/",
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"3247",
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"#issuecomment-231517079",
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"",
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},
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"https://try.gogs.io/gogs/gogs/issues/4#issue-685": {
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"https",
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"try.gogs.io/gogs/gogs/issues/",
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"4",
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"#issue-685",
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"",
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},
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"https://youtrack.jetbrains.com/issue/JT-36485": {
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"https",
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"youtrack.jetbrains.com/issue/",
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"JT-36485",
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"",
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"",
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},
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"https://youtrack.jetbrains.com/issue/JT-36485#comment=27-1508676": {
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"https",
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"youtrack.jetbrains.com/issue/",
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"JT-36485",
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"#comment=27-1508676",
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"",
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},
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}
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for k, v := range testCases {
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assert.Equal(t, IssueFullPattern.FindStringSubmatch(k)[1:], v)
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}
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}
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func TestMisc_IsMarkdownFile(t *testing.T) {
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setting.Markdown.FileExtensions = []string{".md", ".markdown", ".mdown", ".mkd"}
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trueTestCases := []string{
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@ -645,7 +619,7 @@ var sameCases = []string{
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Ideas and codes
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- Bezier widget (by @r-lyeh) https://github.com/ocornut/imgui/issues/786
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- Bezier widget (by @r-lyeh) ` + AppURL + `ocornut/imgui/issues/786
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- Node graph editors https://github.com/ocornut/imgui/issues/306
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- [[Memory Editor|memory_editor_example]]
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- [[Plot var helper|plot_var_example]]`,
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@ -681,8 +655,8 @@ func testAnswers(baseURLContent, baseURLImages string) []string {
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<p>Ideas and codes</p>
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<ul>
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<li>Bezier widget (by <a href="` + AppURL + `r-lyeh" rel="nofollow">@r-lyeh</a>)<a href="https://github.com/ocornut/imgui/issues/786" rel="nofollow">#786</a></li>
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<li>Node graph editors<a href="https://github.com/ocornut/imgui/issues/306" rel="nofollow">#306</a></li>
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<li>Bezier widget (by <a href="` + AppURL + `r-lyeh" rel="nofollow">@r-lyeh</a>) <a href="http://localhost:3000/ocornut/imgui/issues/786" rel="nofollow">#786</a></li>
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<li>Node graph editors https://github.com/ocornut/imgui/issues/306</li>
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<li><a href="` + baseURLContent + `/memory_editor_example" rel="nofollow">Memory Editor</a></li>
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<li><a href="` + baseURLContent + `/plot_var_example" rel="nofollow">Plot var helper</a></li>
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</ul>
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@ -75,7 +75,7 @@ func TestAPI_RenderGFM(t *testing.T) {
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<ul>
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<li><a href="` + AppSubURL + `wiki/Links" rel="nofollow">Links, Language bindings, Engine bindings</a></li>
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<li><a href="` + AppSubURL + `wiki/Tips" rel="nofollow">Tips</a></li>
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<li>Bezier widget (by <a href="` + AppURL + `r-lyeh" rel="nofollow">@r-lyeh</a>)<a href="https://github.com/ocornut/imgui/issues/786" rel="nofollow">#786</a></li>
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<li>Bezier widget (by <a href="` + AppURL + `r-lyeh" rel="nofollow">@r-lyeh</a>) https://github.com/ocornut/imgui/issues/786</li>
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</ul>
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`,
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// wine-staging wiki home extract: special wiki syntax, images
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@ -50,6 +50,7 @@ func GlobalInit() {
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if setting.InstallLock {
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highlight.NewContext()
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markdown.InitMarkdown()
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markdown.NewSanitizer()
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if err := models.NewEngine(migrations.Migrate); err != nil {
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log.Fatal(4, "Failed to initialize ORM engine: %v", err)
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