Clarify declaration sharing example.
Clarify declaration sharing example.

JelleZijlstra/cython,madjar/cython,fperez/cython,encukou/cython,fperez/cython,encukou/cython,hhsprings/cython,cython/cython,andreasvc/cython,hickford/cython,slonik-az/cython,fperez/cython,fabianrost84/cython,hickford/cython,cython/cython,hickford/cython,c-blake/cython,ChristopherHogan/cython,andreasvc/cython,ChristopherHogan/cython,acrispin/cython,JelleZijlstra/cython,da-woods/cython,roxyboy/cython,mrGeen/cython,acrispin/cython,da-woods/cython,slonik-az/cython,mcanthony/cython,mcanthony/cython,encukou/cython,madjar/cython,fperez/cython,mrGeen/cython,cython/cython,c-blake/cython,marscher/cython,dahebolangkuan/cython,achernet/cython,hhsprings/cython,roxyboy/cython,JelleZijlstra/cython,JelleZijlstra/cython,dahebolangkuan/cython,marscher/cython,acrispin/cython,roxyboy/cython,da-woods/cython,encukou/cython,fabianrost84/cython,dahebolangkuan/cython,hickford/cython,hickford/cython,hhsprings/cython,madjar/cython,marscher/cython,achernet/cython,c-blake/cython,achernet/cython,achernet/cython,fabianrost84/cython,ABcDexter/cython,marscher/cython,achernet/cython,mcanthony/cython,andreasvc/cython,scoder/cython,hhsprings/cython,acrispin/cython,scoder/cython,slonik-az/cython,scoder/cython,slonik-az/cython,da-woods/cython,dahebolangkuan/cython,madjar/cython,ABcDexter/cython,andreasvc/cython,fabianrost84/cython,scoder/cython,JelleZijlstra/cython,andreasvc/cython,slonik-az/cython,encukou/cython,fperez/cython,dahebolangkuan/cython,fabianrost84/cython,madjar/cython,ABcDexter/cython,hhsprings/cython,c-blake/cython,c-blake/cython,mrGeen/cython,roxyboy/cython,ABcDexter/cython,ChristopherHogan/cython,acrispin/cython,mcanthony/cython,ABcDexter/cython,mrGeen/cython,mcanthony/cython,roxyboy/cython,cython/cython,mrGeen/cython,marscher/cython