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$tabsize columns$$
 
$tabsize 5$$
$codep
     line one
     line two
$$
 
     line one
     line two
 
$tabsize 10$$
$codep
     line one
     line two
$$
 
          line one
          line two
columns
 in the
root section
 is not specified and may change
in future versions of OMhelp.
columns
,
in sections other than the root section,
is it's final value at the end of the root section.
columns
 is not present,
or if it is less than or equal 0,
the default value is restored
For example,
the input commands
 
$tabsize $$
$codep
     line one
     line two
$$
 
     line one
     line two