Where is the Issue articles listing pagination limit?

[willkuhn]

Where is the setting for the pagination limit for the number of articles that are displayed in an issues article listing before it gets split into multiple pages?

As an example, the issue this page on my website contains 13 articles. The first 10 are listed, but the user must click the Older posts link to see the other 3 articles. I'd like to be able to adjust that limit=10 variable that seems to exist somewhere but can't find it in the settings or IssueM plugin code.

Thanks for any help!