DOCUMENT PROCESSOR

PURPOSE:To prevent the generation of a trouble due to a user's forgetfulness of copying external characters at the time of copying a document by informing a message that the document to be copied has external characters to the user. CONSTITUTION:When the ID information of a document to be copied is applied from a document copying means 12, a detection means 13 detects whether the document has external characters or not in accordance with a character code included in the document, and when the means 13 detects the existence of external. characters, an output means 14 outputs the detected result. Since a user can know the existence of the external characters when the document to be copied has the external characters, the generation of a trouble due to user's foregetfullness of the copying processing of the external characters can be prevented. When the existence of the external characters in the document is detected by the means 13, an external character copying means 15 copies the character pattern of each external character on copying target.