Some text editors make assumptions about desired indentation based on the number of semicolons that begin a comment. The following style conventions are common, although not by any means universal.
2.4.4.2.1 Use of Single Semicolon
2.4.4.2.2 Use of Double Semicolon
2.4.4.2.3 Use of Triple Semicolon
2.4.4.2.4 Use of Quadruple Semicolon
2.4.4.2.5 Examples of Style for Semicolon