@mcc Chicago Manual of Style (my preferred guide) has no spaces around em dashes, for example from 6.91:
> She outlined the strategy—a strategy that would, she hoped, secure the peace.
> My friends—that is, my former friends—ganged up on me.
@mcc Chicago Manual of Style (my preferred guide) has no spaces around em dashes, for example from 6.91:
> She outlined the strategy—a strategy that would, she hoped, secure the peace.
> My friends—that is, my former friends—ganged up on me.
"woman smiling at laptop"