The Opera Show Format (OSF) is a set of conventions used in a web page using XHTML 1.0 Strict and CSS 2.1. It is designed to allow presentations to be easily created with web authoring tools. OSF requires that a number of meta tags be present, including version, generator, author, and presdate (the creation or presentation date). The entire presentation, including all slides and images (in data: URIs) is contained in a single file. The look of all slides is controlled by the layout section, contained in a Read more about Opera Show Format: Tools “The opera house sparkled with tiers “The opposition is indispensable. A good statesman, like any other sensible human being, always learns more from his opponents than from his fervent supporters. For his supporters will push him to disaster unless his opponents show him where the dangers are. So if he is wise he will often pray to be delivered from his friends, because they will ruin him. But though it hurts, he ought also to pray never to be left without opponents; for they keep him on the path of reason and good sense.”Famous quotes containing the words opera and/or show:
And tiers of eyes, like mine enlarged by belladonna,”
—James Merrill (b. 1926)
—Walter Lippmann (1889–1974)
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