# File lib/protocols/linetext2.rb, line 113
113:                         def set_text_mode size=nil
114:                                 if size == 0
115:                                         set_line_mode
116:                                 else
117:                                         @lt2_mode = :text
118:                                         (@lt2_textbuffer ||= []).clear
119:                                         @lt2_textsize = size # which can be nil, signifying no limit
120:                                         @lt2_textpos = 0
121:                                 end
122:                         end