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  • Information Type Elements
    indicates an example of code typically rendered in a mono spaced font Do not confuse with PRE SAMP The SAMP element indicates a sequence of literal characters KBD The KBD element indicates text typed keyboarded by the user It might typically be used in an instruction manual VAR The VAR element indicates a variable name and might typically be used in an instruction manual DFN The DFN element indicates the defining instance of a term New in 3 0 Q The Q element is used for a short quotation It is typically shown enclosed in quotation marks as appropriate to the language context For English these would be matching double or single quotation marks alternating for nested quotes The language context is set by the LANG attribute New in 3 0 LANG The LANG element is used to alter the language context when it is inappropriate to do this with other character level elements New in 3 0 AU The AU element indicates the name of an author New in 3 0 PERSON The PERSON element is used for names of people to allow these to be extracted automatically by indexing programs New in 3 0 ACRONYM The ACRONYM element

    Original URL path: http://web.teipir.gr/HTML_3.0/logical.html (2016-02-14)
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  • Font Style Elements
    that the enclosed text should be displayed if practical in an italic font or slanted TT TeleType The TT element specifies that the enclosed text should be displayed if practical in a fixed pitch typewriter font U Underline The U element specifies that the enclosed text should be displayed if practical as underlined Not widely supported S Strike through The S element specifies that the enclosed text should be displayed with a horizontal line striking through the text If this is not practical an alternative mapping is allowed New in 3 0 BIG Big print The BIG element specifies that the enclosed text should be displayed if practical using a big font compared with the current font New in 3 0 SMALL Small print The SMALL element specifies that the enclosed text should be displayed if practical using a small font compared with normal text New in 3 0 SUB Subscript The SUB element specifies that the enclosed text should be displayed as a subscript and if practical using a smaller font compared with normal text The ALIGN attribute for SUB is only meaningful within the MATH element New in 3 0 SUP Superscript The SUP element specifies that the

    Original URL path: http://web.teipir.gr/HTML_3.0/emphasis.html (2016-02-14)
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  • The IMG (Image) Element
    attribute is most commonly used to attach a different style to some element but it is recommended that where practical class names should be picked on the basis of the element s semantics as this will permit other uses such as restricting search through documents by matching on element class names The conventions for choosing class names are outside the scope of this specification SRC Source The SRC attribute specifies the URI for the image to be embedded Its syntax is the same as that of the HREF attribute of the A tag SRC is mandatory MD Specifies a message digest or cryptographic checksum for the associated graphic specified by the SRC attribute It is used when you want to be sure that the image is indeed the same one that the author intended and hasn t been modified in any way For instance MD md5 jV2OfH nnXHU8bnkPAad mSQlTDZ which specifies an MD5 checksum encoded as a base64 character string The MD attribute is generally allowed for all elements which support URI based links WIDTH Optional suggested width for the image By default this is given in pixels HEIGHT Optional suggested height for the image By default this is given in pixels UNITS This optional attribute specifies the units for the width and height attributes It is one of units pixels the default or units en half the point size ALIGN Take values TOP or MIDDLE or BOTTOM defining whether the top or middle or bottom of the graphic should be aligned with the baseline for the text line in which the IMG element appears With ALIGN LEFT the graphic will float down and over to the current left margin and subsequent text will wrap around the right hand side of the graphic Likewise for ALIGN RIGHT the graphic aligns

    Original URL path: http://web.teipir.gr/HTML_3.0/img.html (2016-02-14)
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  • Unordered Lists
    g en uk for the variation of English spoken in the United Kingdom It can be used by parsers to select language specific choices for quotation marks ligatures and hypenation rules etc The language attribute is composed from the two letter language code from ISO 639 optionally followed by a period and a two letter country code from ISO 3166 CLASS This a space separated list of SGML NAME tokens and is used to subclass tag names By convention the class names are interpreted hierarchically with the most general class on the left and the most specific on the right where classes are separated by a period The CLASS attribute is most commonly used to attach a different style to some element but it is recommended that where practical class names should be picked on the basis of the element s semantics as this will permit other uses such as restricting search through documents by matching on element class names The conventions for choosing class names are outside the scope of this specification CLEAR This attribute is common to all block like elements When text flows around a figure or table in the margin you sometimes want to start an element like a header paragraph or list below the figure rather than alongside it The CLEAR attribute allows you to move down unconditionally clear left move down until left margin is clear clear right move down until right margin is clear clear all move down until both margins are clear Alternatively you can decide to place the element alongside the figure just so long as there is enough room The minimum width needed is specified as clear 40 en move down until there is at least 40 en units free clear 100 pixels move down until there is at least

    Original URL path: http://web.teipir.gr/HTML_3.0/bulletlists.html (2016-02-14)
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  • Ordered Lists
    plain text before the first LI element Implementors of HTML 3 0 user agents are advised to cater for this possibility in order to handle badly formed legacy documents Permitted Attributes for the OL Element ID An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets Identifiers are NAME tokens and must be unique within the scope of the current document LANG This is one of the ISO standard language abbreviations e g en uk for the variation of English spoken in the United Kingdom It can be used by parsers to select language specific choices for quotation marks ligatures and hypenation rules etc The language attribute is composed from the two letter language code from ISO 639 optionally followed by a period and a two letter country code from ISO 3166 CLASS This a space separated list of SGML NAME tokens and is used to subclass tag names By convention the class names are interpreted hierarchically with the most general class on the left and the most specific on the right where classes are separated by a period The CLASS attribute is most commonly used to attach a different style to some element but it is recommended that where practical class names should be picked on the basis of the element s semantics as this will permit other uses such as restricting search through documents by matching on element class names The conventions for choosing class names are outside the scope of this specification CLEAR This attribute is common to all block like elements When text flows around a figure or table in the margin you sometimes want to start an element like a header paragraph or list below the figure rather than alongside it The CLEAR attribute allows you

    Original URL path: http://web.teipir.gr/HTML_3.0/seqlists.html (2016-02-14)
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  • Definition Lists
    COMPACT attribute which suggests that a compact rendering be used and is appropriate if the list elements are small and or the entire list is large Note Use the NOTE element when you want to have an indented note The practice of using DD elements without corresponding DT elements is deprecated Permitted Attributes for the DL Element ID An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets Identifiers are NAME tokens and must be unique within the scope of the current document LANG This is one of the ISO standard language abbreviations e g en uk for the variation of English spoken in the United Kingdom It can be used by parsers to select language specific choices for quotation marks ligatures and hypenation rules etc The language attribute is composed from the two letter language code from ISO 639 optionally followed by a period and a two letter country code from ISO 3166 CLASS This a space separated list of SGML NAME tokens and is used to subclass tag names By convention the class names are interpreted hierarchically with the most general class on the left and the most specific on the right where classes are separated by a period The CLASS attribute is most commonly used to attach a different style to some element but it is recommended that where practical class names should be picked on the basis of the element s semantics as this will permit other uses such as restricting search through documents by matching on element class names The conventions for choosing class names are outside the scope of this specification CLEAR This attribute is common to all block like elements When text flows around a figure or table in the margin you sometimes want

    Original URL path: http://web.teipir.gr/HTML_3.0/deflists.html (2016-02-14)
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  • Figures
    Similarly the imagemap attribute in overlays takes precedence over the imagemap attribute for the figure For a group of overlapping overlays the precedence is determined by the order the OVERLAY elements appear within the FIG element Later overlays take precedence over earlier ones Examples Photographic image with caption and credits FIG SRC nicodamus jpeg CAPTION Ground dweller I Nicodamus bicolor I builds silk snares CAPTION P A small hairy spider light fleshy red in color with a brown abdomen CREDIT J A L Cooke OSF CREDIT FIG Company home page FIG SRC mainmenu gif H1 Access HP from Hewlett Packard H1 P Select between UL LI A HREF guide html SHAPE rect 30 200 60 16 Access Guide A LI A HREF about html SHAPE rect 100 200 50 16 About HP A LI A HREF guide html SHAPE rect 160 200 30 16 News A LI A HREF guide html SHAPE rect 200 200 50 16 Products A LI A HREF guide html SHAPE rect 260 200 80 16 Worldwide Contacts A UL FIG Aerial photograph with map overlay FIG SRC newyork jpeg OVERLAY SRC map gif P New York from the air FIG Permitted Attributes ID An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets Identifiers are NAME tokens and must be unique within the scope of the current document LANG This is one of the ISO standard language abbreviations e g en uk for the variation of English spoken in the United Kingdom It can be used by parsers to select language specific choices for quotation marks ligatures and hypenation rules etc The language attribute is composed from the two letter language code from ISO 639 optionally followed by a period and a two letter country code from ISO 3166 CLASS This a space separated list of SGML NAME tokens and is used to subclass tag names By convention the class names are interpreted hierarchically with the most general class on the left and the most specific on the right where classes are separated by a period The CLASS attribute is most commonly used to attach a different style to some element but it is recommended that where practical class names should be picked on the basis of the element s semantics as this will permit other uses such as restricting search through documents by matching on element class names The conventions for choosing class names are outside the scope of this specification CLEAR When there is already a figure or table in the margin you sometimes want to position another figure below the figure in the margin rather than alongside it The CLEAR attribute allows you to move down unconditionally clear left move down until left margin is clear clear right move down until right margin is clear clear all move down until both margins are clear Alternatively you can decide to place the figure alongside the figure in the margin just so long as there

    Original URL path: http://web.teipir.gr/HTML_3.0/figures.html (2016-02-14)
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  • Tables
    turn are used to find the minimum and maximum width for the table Note that cells can contain nested tables but this doesn t complicate the code significantly The next step is to assign column widths according to the current window size more accurately the width between the left and right margins The table borders and intercell margins need to be included in the assignment step There are three cases The minimum table width is equal to or wider than the available space In this case assign the minimum widths and allow the user to scroll horizontally For conversion to braille it will be necessary to replace the cells by references to notes containing their full content By convention these appear before the table The maximum table width fits within the available space In this case set the columns to their maximum widths The maximum width of the table is greater than the available space but the minimum table width is smaller In this case find the difference between the available space and the minimum table width lets call it W Lets also call D the difference between maximum and minimum width of the table For each column let d be the the difference between maximum and minimum width of that column Now set the column s width to the minimum width plus d times W over D This makes columns with lots of text wider than columns with smaller amounts This assignment step is then repeated for nested tables In this case the width of the enclosing table s cell plays the role of the current window size in the above description This process is repeated recursively for all nested tables If the COLSPEC attribute specifies the column widths explicitly the user agent can attempt to use these values If subsequently one of the cells overflows its column width the two pass mechanism may be invoked to redraw the table with more appropriate widths If the attribute specifies relative widths then the two pass model is always needed The column width assignment algorithm is then modified Explicit widths from the COLSPEC attribute should be used when given provided they are greater than the minimum column width otherwise the latter should be used For relative widths the surplus space W as defined above is divided up between the columns appropriately ensuring that each column is given at least its minimum width If W is zero or negative column widths should be increased over the minimum width to meet the relative width requirements If the table width is specified with the WIDTH attribute the user agent attempts to set column widths to match The WIDTH attribute should be disregarded if this results in columns having less than their minimum widths Permitted Attributes ID An SGML identifier used as the target for hypertext links or for naming particular elements in associated style sheets Identifiers are NAME tokens and must be unique within the scope of the current document LANG This is one

    Original URL path: http://web.teipir.gr/HTML_3.0/tables.html (2016-02-14)
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