1, 1, 0, (SCM unpure, SCM pure),
"Make an unpure-pure container. @var{unpure} should be an unpure"
" expression, and @var{pure} should be a pure expression. If @var{pure}"
- " is ommitted, the value of @var{unpure} will be used twice.")
+ " is omitted, the value of @var{unpure} will be used twice.")
{
SCM z;