Use 1 space, then 2 dashes, then another space. We use this style for now because some user agents do not support true em dash character entities. The true em dashes you intend will instead appear as question marks or empty boxes.
INCORRECT:
The drug was approved—for men only—in March 1998.
HOW THIS APPEARS IN SOME BROWSERS:
The drug was approved?for men only?in March 1998.
INCORRECT: The drug was approved--for men only--in March 1998.
CORRECT: The drug was approved -- for men only -- in March 1998.
In the future, as our resources allow, it is possible to resolve this problem using dynamic translation for those unsupporting browsers.
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