Mark

The Mark toolbar has the same commands as the Mark menu in the Subtitle tools toolbar. It is used to manipulate the marks in the subtitles. The mark state in selected subtitles can also be toggled using the Mark / Unmark subtitles keyboard action. The commands (accessible also via the right-click menu) are:

Marking is a good tool to remember an important subtitle - for example when merging 2 files. Many functions also allow to mark processed subtitles so they can be later checked. Mark status is saved only when saving in SSA format.