Heading lines in main Word in VMC are used to create multi-level navigation panel and multi-level website navigation menu. Therefore, there are some restrictions on use as follows:

• Heading Line Chars:  ~, +, #, $, %, ^, & and other symbols that doesn’t support in Windows file name are not allowed.
• Heading Line Length:  the length generally does not exceed 64 English characters.
• Heading Line No Duplication: no repetition is allowed in the entire document.
• Heading Line Hide:  The heading line will be displayed as Directory tree node or Navigation menu bar, not in the content previewer.
• Heading Line Multilingual:  If it is not English, you need to set the language property in left Directory Tree - > Attribute –> top Edit button, otherwise a question mark will be displayed.