knolleary/pubsubclient — comment on commit 6f0db7db0f1c09812a90d84b81745ce819fe95ea
File:  line 0
By knolleary:

I have modified this to use char* rather than String for the DNS name. This is in line with the use of char* elsewhere and reduces the size of sketches by something like 1700 bytes by not pulling in String.