StickySearch - persistent highlight of selected text
https://github.com/vim/StickySearch
Usage
To hightlight text under cursor:
Super + 8 for Mac OS X
Ctrl + 8 for Windows/Linux
To highlight more text (while keeping previous highlights):
Shift + Super + 8 for Mac OS X
Shift + Ctrl + 8 for Windows/Linux
To clear all highlighted text:
Alt + Super + 8 for Mac OS X
Alt + Ctrl + 8 for Windows/Linux