Showing header with filenames in timeline mode.
Different style for filenames in timeline mode.
Addind <wbr> before and after braces to prevent long lines from breaking table column widths.
Displaying an error message when an exception is thrown during parsing.
Changed the caption in the drop area.
Minor code cleanup.
Minor refactoring.
Drag-and-dropping multiple files at once.
Performance fix: when multiple files are dropped, comparison is performed only once.
Fix: handling of zero-duration subtitle lines.
Minor code cleanup.