add axline (#502)

Author: bicycle1885

src/PyPlot.jl

@@ -158,15 +158,15 @@ end
 ###########################################################################
 
 # export documented pyplot API (http://matplotlib.org/api/pyplot_api.html)
-export acorr,annotate,arrow,autoscale,autumn,axhline,axhspan,axis,axvline,axvspan,bar,barbs,barh,bone,box,boxplot,broken_barh,cla,clabel,clf,clim,cohere,colorbar,colors,contour,contourf,cool,copper,csd,delaxes,disconnect,draw,errorbar,eventplot,figaspect,figimage,figlegend,figtext,figure,fill_between,fill_betweenx,findobj,flag,gca,gcf,gci,get_current_fig_manager,get_figlabels,get_fignums,get_plot_commands,ginput,gray,grid,hexbin,hist2D,hlines,hold,hot,hsv,imread,imsave,imshow,ioff,ion,ishold,jet,legend,locator_params,loglog,margins,matshow,minorticks_off,minorticks_on,over,pause,pcolor,pcolormesh,pie,pink,plot,plot_date,plotfile,polar,prism,psd,quiver,quiverkey,rc,rc_context,rcdefaults,rgrids,savefig,sca,scatter,sci,semilogx,semilogy,set_cmap,setp,show,specgram,spectral,spring,spy,stackplot,stem,step,streamplot,subplot,subplot2grid,subplot_tool,subplots,subplots_adjust,summer,suptitle,table,text,thetagrids,tick_params,ticklabel_format,tight_layout,title,tricontour,tricontourf,tripcolor,triplot,twinx,twiny,vlines,waitforbuttonpress,winter,xkcd,xlabel,xlim,xscale,xticks,ylabel,ylim,yscale,yticks,hist
+export acorr,annotate,arrow,autoscale,autumn,axhline,axhspan,axis,axline,axvline,axvspan,bar,barbs,barh,bone,box,boxplot,broken_barh,cla,clabel,clf,clim,cohere,colorbar,colors,contour,contourf,cool,copper,csd,delaxes,disconnect,draw,errorbar,eventplot,figaspect,figimage,figlegend,figtext,figure,fill_between,fill_betweenx,findobj,flag,gca,gcf,gci,get_current_fig_manager,get_figlabels,get_fignums,get_plot_commands,ginput,gray,grid,hexbin,hist2D,hlines,hold,hot,hsv,imread,imsave,imshow,ioff,ion,ishold,jet,legend,locator_params,loglog,margins,matshow,minorticks_off,minorticks_on,over,pause,pcolor,pcolormesh,pie,pink,plot,plot_date,plotfile,polar,prism,psd,quiver,quiverkey,rc,rc_context,rcdefaults,rgrids,savefig,sca,scatter,sci,semilogx,semilogy,set_cmap,setp,show,specgram,spectral,spring,spy,stackplot,stem,step,streamplot,subplot,subplot2grid,subplot_tool,subplots,subplots_adjust,summer,suptitle,table,text,thetagrids,tick_params,ticklabel_format,tight_layout,title,tricontour,tricontourf,tripcolor,triplot,twinx,twiny,vlines,waitforbuttonpress,winter,xkcd,xlabel,xlim,xscale,xticks,ylabel,ylim,yscale,yticks,hist
 
 # The following pyplot functions must be handled specially since they
 # overlap with standard Julia functions:
 #          close, connect, fill, hist, xcorr
 import Base: close, fill, step
 import Sockets: connect
 
-const plt_funcs = (:acorr,:annotate,:arrow,:autoscale,:autumn,:axes,:axhline,:axhspan,:axis,:axvline,:axvspan,:bar,:barbs,:barh,:bone,:box,:boxplot,:broken_barh,:cla,:clabel,:clf,:clim,:cohere,:colorbar,:colors,:contour,:contourf,:cool,:copper,:csd,:delaxes,:disconnect,:draw,:errorbar,:eventplot,:figaspect,:figimage,:figlegend,:figtext,:fill_between,:fill_betweenx,:findobj,:flag,:gca,:gci,:get_current_fig_manager,:get_figlabels,:get_fignums,:get_plot_commands,:ginput,:gray,:grid,:hexbin,:hlines,:hold,:hot,:hsv,:imread,:imsave,:imshow,:ioff,:ion,:ishold,:jet,:legend,:locator_params,:loglog,:margins,:matshow,:minorticks_off,:minorticks_on,:over,:pause,:pcolor,:pcolormesh,:pie,:pink,:plot,:plot_date,:plotfile,:polar,:prism,:psd,:quiver,:quiverkey,:rc,:rc_context,:rcdefaults,:rgrids,:savefig,:sca,:scatter,:sci,:semilogx,:semilogy,:set_cmap,:setp,:specgram,:spectral,:spring,:spy,:stackplot,:stem,:streamplot,:subplot,:subplot2grid,:subplot_tool,:subplots,:subplots_adjust,:summer,:suptitle,:table,:text,:thetagrids,:tick_params,:ticklabel_format,:tight_layout,:title,:tricontour,:tricontourf,:tripcolor,:triplot,:twinx,:twiny,:vlines,:waitforbuttonpress,:winter,:xkcd,:xlabel,:xlim,:xscale,:xticks,:ylabel,:ylim,:yscale,:yticks,:hist,:xcorr,:isinteractive)
+const plt_funcs = (:acorr,:annotate,:arrow,:autoscale,:autumn,:axes,:axhline,:axhspan,:axis,:axline,:axvline,:axvspan,:bar,:barbs,:barh,:bone,:box,:boxplot,:broken_barh,:cla,:clabel,:clf,:clim,:cohere,:colorbar,:colors,:contour,:contourf,:cool,:copper,:csd,:delaxes,:disconnect,:draw,:errorbar,:eventplot,:figaspect,:figimage,:figlegend,:figtext,:fill_between,:fill_betweenx,:findobj,:flag,:gca,:gci,:get_current_fig_manager,:get_figlabels,:get_fignums,:get_plot_commands,:ginput,:gray,:grid,:hexbin,:hlines,:hold,:hot,:hsv,:imread,:imsave,:imshow,:ioff,:ion,:ishold,:jet,:legend,:locator_params,:loglog,:margins,:matshow,:minorticks_off,:minorticks_on,:over,:pause,:pcolor,:pcolormesh,:pie,:pink,:plot,:plot_date,:plotfile,:polar,:prism,:psd,:quiver,:quiverkey,:rc,:rc_context,:rcdefaults,:rgrids,:savefig,:sca,:scatter,:sci,:semilogx,:semilogy,:set_cmap,:setp,:specgram,:spectral,:spring,:spy,:stackplot,:stem,:streamplot,:subplot,:subplot2grid,:subplot_tool,:subplots,:subplots_adjust,:summer,:suptitle,:table,:text,:thetagrids,:tick_params,:ticklabel_format,:tight_layout,:title,:tricontour,:tricontourf,:tripcolor,:triplot,:twinx,:twiny,:vlines,:waitforbuttonpress,:winter,:xkcd,:xlabel,:xlim,:xscale,:xticks,:ylabel,:ylim,:yscale,:yticks,:hist,:xcorr,:isinteractive)
 
 for f in plt_funcs
     sf = string(f)