<\body> Various standard markup is defined in . The following textual content tags all take one argument. Most can be found in the menu. <\description> >Indicates an region of text. You can enter this tag via . >Emphasizes a region of text like in ``the thing''. This tag corresponds to the menu entry \ . >For definitions like ``a is a horny beast''. This tag corresponds to . >A sequence of literal characters like the ligature æ. You can get this tag via . >The name of a particular thing or concept like the system. This tag is obtained using . >The name of a person like . This tag corresponds to . >A bibliographic citation like a book or magazine. Example: Melville's . This tag, which is obtained using , should not be confused with . The latter tag is also used for citations, but where the argument refers to an entry in a database with bibliographic references. >An abbreviation. Example: I work at the An abbreviation is created using or the keyboard shortcut. >An acronym is an abbreviation formed from the first letter of each word in a name or a phrase, such as or . In particular, the letters are not separated by dots. You may enter an acronym using . >Verbatim text like output from a computer program. Example: the program said . You may enter verbatim text via . The tag may also be used as an environment for multi-paragraph text. >Text which should be entered on a keyboard. Example: please type . This tag corresponds to the menu entry . >Code of a computer program like in ``\ 1+1;> yields ''. This is entered using . For longer pieces of code, you should use the environment. >Variables in a computer program like in >. This tag corresponds to the menu entry . >This is a tag which will be used in the future for mathematics inside regular text. Example: the formula x+cos x=1> is well-known. >This is a tag which can be used inside mathematics for specifying that an operator should be considered on itself, without any arguments. Example: the operation > is a function from > to >. This tag may become depreciated. >This is a physical tag for typewriter phase. It is used for compatability with , but we do not recommend its use. The following are standard environments: <\description> >Described above. >Similar to , but for pieces of code of several lines. >Environment for short (one paragraph) quotations. >Environment for long (multi-paragraph) quotations. >Environment for poetry. >This is a physical tag for centering one or several lines of text. It is used for compatability with , but we do not recommend its use. Some standard tabular environments are <\description> >Centered tables. >Left aligned tables with a border of standard width. >Centered tables with a border of standard width. The following miscellaneous tags don't take arguments: <\description> >The logo. >The logo. >The logo. >Used by developers for flushing to the right in the definition of environments. >A horizontal rule like the one you see below: The following miscellaneous tags all take one or more arguments: <\description> >For , which can be wrapped across several lines. >For , which can be wrapped across several lines. >Macro with two arguments. The first argument is displayed and the second one ignored: the macro corresponds to the folded presentation of a piece of content associated to a short title or abstract. The second argument can be made visible using . >Macro with two arguments and , which yields the unfolded presentation of a piece of content associated to a short title or abstract . The second argument can be made invisible using . >Macro with two arguments and , where is a set of possible representations of the switch and the current representation. The function keys , , and can be used to switch between different representations. >Function with one argument . This tag takes as much space as the typesetted argument would take, but is not displayed. For instance, the text ``phantom'' as an argument of yields ``''. >Function with one argument for permanently changing the header. Notice that certain tags in the style file, like sectional tags, may override such manual changes. >Function with one argument for permanently changing the footer. <\initial> <\collection>