--- scheme-io.texi.~1.13.~ 1970-01-01 10:00:01.000000000 +1000 +++ scheme-io.texi 2003-09-01 14:56:58.000000000 +1000 @@ -176,8 +176,8 @@ @deffnx {Scheme Procedure} port-line port @deffnx {C Function} scm_port_column (port) @deffnx {C Function} scm_port_line (port) -Return the current column number or line number of @var{port}, -using the current input port if none is specified. If the number is +Return the current column number or line number of @var{port}. +If the number is unknown, the result is #f. Otherwise, the result is a 0-origin integer - i.e.@: the first character of the first line is line 0, column 0. (However, when you display a file position, for example in an error @@ -190,8 +190,7 @@ @deffnx {Scheme Procedure} set-port-line! port line @deffnx {C Function} scm_set_port_column_x (port, column) @deffnx {C Function} scm_set_port_line_x (port, line) -Set the current column or line number of @var{port}, using the -current input port if none is specified. +Set the current column or line number of @var{port}. @end deffn @node Writing