Changes to "summarize_args" and ifelse statement in "set_view_lim" to allow class(xlim) to be Date.
Changes to "summarize_args" and ifelse statement in "set_view_lim" to allow class(xlim) to be Date.

Only concern: line 169, accessing the x or y data points using var[1]. Need var = x, but var is [x, x1, x0].

ldecicco-USGS/gsplot,thongsav-usgs/gsplot,thongsav-usgs/gsplot,jread-usgs/gsplot,aappling-usgs/gsplot,lindsaycarr/gsplot,ldecicco-USGS/gsplot,lindsaycarr/gsplot,USGS-R/gsplot,jiwalker-usgs/gsplot,dpattermann-usgs/gsplot,dpattermann-usgs/gsplot,jiwalker-usgs/gsplot,aappling-usgs/gsplot,jread-usgs/gsplot