Lines should be stored 0-based according to the current version of the spec:
I clarified this instruction with concavelenz on irc://irc.freenode.net#chromium, and it is implemented that way in the current dev versions of chrome.
Fix off-by-one error
Lines should be stored 0-based according to the current version of the
@robcee @campd This looks good to be merged.
merge off-by-one fix from mozilla/source-map#9