B.8 Notes on frames B.9 Notes on accessibility B.10 Notes on security

B.8 Notes on frames Since there is no guarantee that a frame target name is unique, it is appropriate to describe the current practice in finding a frame given a target name: If the target name is a reserved word as described in the normative text, apply it as described. Otherwise, perform a depth-first search of the […]

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B.5.2 Recommended Layout Algorithms B6 Notes on Forms

If COL or COLGROUP elements are present, they specify the number of columns and the table may be rendered using a fixed layout. Otherwise the autolayout algorithm described below should be used. If the width attribute is not specified, visual user agents should assume a default value of 100% for formatting. It is recommended that user agents increase table widths beyond the value […]

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B.5 Notes on tables B.5.1 Design rationale

The HTML table model has evolved from studies of existing SGML tables models, the treatment of tables in common word processing packages, and a wide range of tabular layout techniques in magazines, books and other paper-based documents. The model was chosen to allow simple tables to be expressed simply with extra complexity available when needed. […]

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B.4 Notes on helping search engines index your Web site

This section provides some simple suggestions that will make your documents more accessible to search engines. Define the document language In the global context of the Web it is important to know which human language a page was written in. This is discussed in the section on language information. Specify language variants of this document If […]

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B.2.2 Ampersands in URI attribute values

The URI that is constructed when a form is submitted may be used as an anchor-style link (e.g., the href attribute for the A element). Unfortunately, the use of the “&” character to separate form fields interacts with its use in SGML attribute values to delimit character entity references. For example, to use the URI “http://host/?x=1&y=2″ as a linking URI, it must […]

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B.1 Notes on invalid documents

This specification does not define how conforming user agents handle general error conditions, including how user agents behave when they encounter elements, attributes, attribute values, or entities not specified in this document. However, to facilitate experimentation and interoperability between implementations of various versions of HTML, we recommend the following behavior: If a user agent encounters an element […]

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Appendix B: Performance, Implementation, and Design Notes

Contents Notes on invalid documents Special characters in URI attribute values Non-ASCII characters in URI attribute values Ampersands in URI attribute values SGML implementation notes Line breaks Specifying non-HTML data Element content Attribute values SGML features with limited support Boolean attributes Marked Sections Processing Instructions Shorthand markup Notes on helping search engines index your Web […]

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How Pyramid Schemes Operate

Let’s look at how a pyramid scheme operates from three points of view: the potential investor, the promoter or con artist, and the victim. Many pyramid schemes will present a payout formula or matrix much like this one: #      Payment of $500 Level 1 $150 x 3 = $450 # # # Level 2 $30 […]

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What is a Pyramid Scheme and What is Legitimate Marketing?

Pyramid schemes now come in so many forms that they may be difficult to recognize immediately. However, they all share one overriding characteristic. They promise consumers or investors large profits based primarily on recruiting others to join their program, not based on profits from any real investment or real sale of goods to the public. […]

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