PhpStorm 8.0.0 Web Help  Annotation is a form of a file
presentation that shows detailed information for each line of
code. In particular, for each line you can see the version from
which this line originated, user ID of the person who has
committed that line, and the commit date. Shortly, annotated
view of a file helps you find out who did what, and, moreover,
trace back the changes.  Annotating lines of code is available
for ClearCase, TFS, Mercurial, git, CVS, Perforce and
Subversion.   The Annotate command appears in the VCS-specific
nodes of the Version Control menu, file context menus, and the
File History view. This command toggles between plain and
annotated view of a file.  This section describes how to:  To
show or hide file annotations   1. Open the desired file in the
editor.   2. To show annotations, right-click the left gutter,
and select the Annotate option:       When the Annotate option
for a file is selected, the file changes its view as shown
below:       1. The number of the changelist wit