1. A method for processing electronic documents, said method comprising: a processor displaying a first electronic document, said displaying comprising displaying first text appearing in the first electronic document; said processor obtaining, from a web page differing from the first electronic document, both selected text and an address of a source electronic document that comprises the selected text; said processor copying a first tag, a second tag, and the obtained address of the source into a header of a temporary computer object, wherein the first tag marks the beginning of the header and the second tag marks the end of the header, and wherein the address of the source electronic document is disposed between the first tag and the second tag in the header; said processor copying the obtained selected text into the temporary computer object; said processor copying the third tag into the temporary computer object, wherein the third tag marks the end of the temporary computer object, and wherein the selected text is disposed between the header of the temporary computer object and the third tag; said processor storing the temporary computer object in a second electronic document after the first text; after said storing the temporary computer object, said processor ascertaining that a portion of text is removed from the selected text or is inserted in the selected text; in response to said ascertaining: said processor inserting the third tag at a first position where the portion of text is removed or at a second position preceding a third position where the portion of text is inserted; and said processor inserting a string at the first position where the portion of text is removed or at the second position preceding the third position where the portion of text is inserted, wherein the string is a concatenation of the first tag, an address associated to the selected text, and the second tag.
5. The method of claim 1 , wherein the header consists of the first tag, an identifier of the temporary computer object, an attribute pertaining to the address of the source electronic document, the address of the first electronic document paired in the header with the attribute, additional information pertaining to the first electronic document, and the second tag, and wherein the additional information consists of an author of the first electronic document, a date of creation of the first electronic document, and an owner of the intellectual property rights of the first electronic document.