Replace the home dir by ~ in the FM's current path
Replace the home dir by ~ in the FM's current path

This mirrors the well known shell convention and release the user from
a needlessly verbose description of the current path.

robert00s/koreader,pazos/koreader,NiLuJe/koreader,houqp/koreader,NiLuJe/koreader,NickSavage/koreader,Markismus/koreader,poire-z/koreader,apletnev/koreader,Hzj-jie/koreader,Frenzie/koreader,koreader/koreader,mihailim/koreader,lgeek/koreader,koreader/koreader,mwoz123/koreader,poire-z/koreader,Frenzie/koreader