I just released File Path On Footer Extension version 1.4.2 with some fixes, Change log is given below for your reference.
Fixed – Unwanted exception message was showing on Web Essentials Preview Pane of .LESS file.
Fixed – underscore (_) was not showing in file path.
Fixed font change in Conditional Breakpoint window.
Fixed an issue in .sql file.
Exception handlers are updated to show detailed error descrition, if any.
Fixed Invalid text in Conditional Breakpoint and Quick Watch window.
Added support to 11 Visual Studio Themes
Added support to more files.