Fix markdown anchor links (go-gitea#9673) (go-gitea#9840)

mohe2015 · techknowlogick · commit b577500a54f7 · 2020-01-17T11:49:50.000-05:00
diff --git a/modules/markup/markdown/goldmark.go b/modules/markup/markdown/goldmark.go
@@ -79,6 +79,9 @@ func (g *GiteaASTTransformer) Transform(node *ast.Document, reader text.Reader,
 				}
 				link = []byte(giteautil.URLJoin(pc.Get(urlPrefixKey).(string), lnk))
 			}
+			if len(link) > 0 && link[0] == '#' {
+				link = []byte("#user-content-" + string(link)[1:])
+			}
 			v.Destination = link
 		}
 		return ast.WalkContinue, nil

Original file line number	Diff line number	Diff line change
`@@ -79,6 +79,9 @@ func (g GiteaASTTransformer) Transform(node ast.Document, reader text.Reader,`
`79`	`79`	`}`
`80`	`80`	`link = []byte(giteautil.URLJoin(pc.Get(urlPrefixKey).(string), lnk))`
`81`	`81`	`}`
	`82`	`+ if len(link) > 0 && link[0] == '#' {`
	`83`	`+ link = []byte("#user-content-" + string(link)[1:])`
	`84`	`+ }`
`82`	`85`	`v.Destination = link`
`83`	`86`	`}`
`84`	`87`	`return ast.WalkContinue, nil`