Compare [gist id=3207635 show_meta=0] and [gist id=3207635 show_meta=0 lines_start=1] - the latter has four line numbers, even though there are only three lines of code. Extending this to something like lines_start=583 means that an extra line still appears as well.
Compare
[gist id=3207635 show_meta=0]
and[gist id=3207635 show_meta=0 lines_start=1]
- the latter has four line numbers, even though there are only three lines of code. Extending this to something likelines_start=583
means that an extra line still appears as well.