A remark management system manages remark data which is information on remarks of an electronic document. The system includes: a client (4) having a browser (41) performing display of an electronic document, execution of an electronic document addition program added to the electronic document, and reception of user input; a document server (2) for storing an electronic document; a database (5) for managing remark data for each electronic document; and a document conversion server (3) for acquiring from the document server (2) a selection electronic document which is an electronic document requested by the client (4), generating a conversion electronic document having the electronic document addition program for inputting and displaying the remark data added to the selection electronic document, and distributing the conversion electronic document to the client (4).
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