🎨 Improve error tip when renaming tags/bookmarks containing Markdown markers Fix https://github.com/siyuan-note/siyuan/issues/9248

kernel/model/bookmark.go

@@ -75,8 +75,8 @@ func RemoveBookmark(bookmark string) (err error) {
 }
 
 func RenameBookmark(oldBookmark, newBookmark string) (err error) {
-	if treenode.ContainsMarker(newBookmark) {
-		return errors.New(Conf.Language(112))
+	if invalidChar := treenode.ContainsMarker(newBookmark); "" != invalidChar {
+		return errors.New(fmt.Sprintf(Conf.Language(112), invalidChar))
 	}
 
 	newBookmark = strings.TrimSpace(newBookmark)

kernel/model/tag.go

@@ -105,8 +105,8 @@ func RemoveTag(label string) (err error) {
 }
 
 func RenameTag(oldLabel, newLabel string) (err error) {
-	if treenode.ContainsMarker(newLabel) {
-		return errors.New(Conf.Language(112))
+	if invalidChar := treenode.ContainsMarker(newLabel); "" != invalidChar {
+		return errors.New(fmt.Sprintf(Conf.Language(112), invalidChar))
 	}
 
 	newLabel = strings.TrimSpace(newLabel)

kernel/treenode/marker.go

@@ -21,17 +21,17 @@ import (
 	"github.com/88250/lute/lex"
 )
 
-func ContainsMarker(str string) bool {
+func ContainsMarker(str string) (ret string) {
 	if !gulu.Str.IsASCII(str) {
-		return false
+		return
 	}
 
 	for _, token := range str {
 		if IsMarker(byte(token)) {
-			return true
+			return string(token)
 		}
 	}
-	return false
+	return
 }
 
 func IsMarker(token byte) bool {