subl protocol adds subl:https:// protocol so you can open file in Sublime Text from browser

This package is available over package control (search for subl protocol)

Syntax will be somthing like this

<a href="subl:https://absolute/path/to/file.txt:10">click to edit file</a>

Note: Don't use backslash (\)

Note 2: on Windows it will ask for permissions when installing and uninstalling because it needs to edit registry

Note 3: on Linux you need to have subl in your path

Note 4: If you don't know how to install package from package control click here