???<!-- GIF89;a -->
123123123123
.....................................................................................................................................???<!-- GIF89;a -->
123123123123
.....................................................................................................................................--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Manually sets the current line number to the given value. <tt>$.</tt> is updated only on the next read.
full_name: StringIO#lineno=
is_singleton: false
name: lineno=
params: |
  strio.lineno = integer    -> integer

visibility: public