Text editors will sometimes insert end-of-line characters in the name of word-wrap.
Using the end-of-line as a comment terminator would require significant refactoring of JSON parsers, which were previously at liberty to lump CR and LF together with SP and TAB. A starting and ending token, on the other hand, fits the pattern already required of a JSON parser.
Using the end-of-line as a comment terminator would require significant refactoring of JSON parsers, which were previously at liberty to lump CR and LF together with SP and TAB. A starting and ending token, on the other hand, fits the pattern already required of a JSON parser.