~ selector not working for narrower widths than default

[tweedyf]

It also appears that the ~ selector no longer works for selecting narrower widths than default. (I can open a separate issue for this if helpful.)

Originally posted by @tweedyf in #28

~ % finger munich@graph.no
[graph.no]
Trying 178.255.144.27...
                  -= Meteogram for Munich, Bavaria, Germany =-                  
 'C                                                                   Rain (mm) 
  9      ^^^                                                          
  8======   ===                                                       
  7                                                                   
  6            ^^^                                                    
  5                                                                   
  4                                                                   
  3               ^^^                                                 
  2                  ^^^^^^^^^                                    ^^^ 
  1                           ======                                  
  0                                 ^^^^^^^^^^^^^^^^^^^^^^^^=--^^^    
   _12_13_14_15_16 17 18 19 20 21 22 23 14/01 02 03 04 05 06 07 08_09 Hour
    
    SW  O  O  E SE SE SE SE  S  S  S  S SW SW SW SW SW SW SW SW SW SW Wind dir.
     1  0  0  1  1  2  3  3  2  2  2  2  2  2  3  2  2  2  3  3  3  3 Wind(m/s)

Legend left axis:   - Sunny   ^ Scattered   = Clouded   =V= Thunder   # Fog
Legend right axis:  | Rain    ! Sleet       * Snow
[Location data is © OpenStreetMap contributors]

versus

~ % finger munich~60@graph.no
[graph.no]
Trying 178.255.144.27...
                  -= Meteogram for Munich, Bavaria, Germany =-                  
 'C                                                                   Rain (mm) 
  9      ^^^                                                          
  8======   ===                                                       
  7                                                                   
  6            ^^^                                                    
  5                                                                   
  4                                                                   
  3               ^^^                                                 
  2                  ^^^^^^^^^                                    ^^^ 
  1                           ======                                  
  0                                 ^^^^^^^^^^^^^^^^^^^^^^^^=--^^^    
   _12_13_14_15_16 17 18 19 20 21 22 23 14/01 02 03 04 05 06 07 08_09 Hour
    
    SW  O  O  E SE SE SE SE  S  S  S  S SW SW SW SW SW SW SW SW SW SW Wind dir.
     1  0  0  1  1  2  3  3  2  2  2  2  2  2  3  2  2  2  3  3  3  3 Wind(m/s)

Legend left axis:   - Sunny   ^ Scattered   = Clouded   =V= Thunder   # Fog
Legend right axis:  | Rain    ! Sleet       * Snow
[Weather forecast from yr.no, delivered by the Norwegian Meteorological Institute and the NRK.]