Update wikilink syntax

This prevents interference with markdown tables

assets/editor.js

@@ -93,7 +93,7 @@
             onSelect: function (path, kind) {
                 if (kind === 'folder') {
                     promptDisplayText(sel, function (display) {
-                        insertAtCursor(display ? '[[' + path + '|' + display + ']]' : '[[' + path + ']]');
+                        insertAtCursor(display ? '[[' + path + '::' + display + ']]' : '[[' + path + ']]');
                     });
                 } else {
                     var name = path.split('/').pop();

moves.go

@@ -147,7 +147,7 @@ func validateAndNormalizeNewPath(raw string) (string, error) {
 }
 
 // rewriteWikiLinks returns (newContent, changed). Any [[target]] or
-// [[target|display]] whose target equals oldPath or begins with oldPath+"/"
+// [[target::display]] whose target equals oldPath or begins with oldPath+"/"
 // has its target rewritten to the corresponding position under newPath.
 func rewriteWikiLinks(content []byte, oldPath, newPath string) ([]byte, bool) {
 	changed := false
@@ -170,7 +170,7 @@ func rewriteWikiLinks(content []byte, oldPath, newPath string) ([]byte, bool) {
 		changed = true
 		suffix := ""
 		if len(parts[2]) > 0 {
-			suffix = string(parts[2])
+			suffix = "::" + string(parts[2])
 		}
 		return []byte("[[" + newTarget + suffix + "]]")
 	})

wikilinks.go

@@ -16,14 +16,15 @@ import (
 	"github.com/yuin/goldmark/util"
 )
 
-// wikiLinkRe matches [[target]] and [[target|display]] anchored at the start
+// wikiLinkRe matches [[target]] and [[target::display]] anchored at the start
 // of the current inline reader. Target and display forbid newlines and
-// brackets; target additionally forbids the pipe separator.
-var wikiLinkRe = regexp.MustCompile(`^\[\[([^\[\]\|\n]+)(?:\|([^\[\]\n]+))?\]\]`)
+// brackets; the target is non-greedy so the first `::` separates target from
+// display when both are present.
+var wikiLinkRe = regexp.MustCompile(`^\[\[([^\[\]\n]+?)(?:::([^\[\]\n]+))?\]\]`)
 
 // wikiLinkPattern matches wiki-link tokens anywhere in a markdown source.
 // Used by the move-endpoint rewriter; not by the goldmark parser.
-var wikiLinkPattern = regexp.MustCompile(`\[\[([^\[\]\n\|]+)(\|[^\[\]\n]+)?\]\]`)
+var wikiLinkPattern = regexp.MustCompile(`\[\[([^\[\]\n]+?)(?:::([^\[\]\n]+))?\]\]`)
 
 // wikiLinkNode is the AST node produced by wikiLinkParser.
 type wikiLinkNode struct {