> <\body> In , the global document font can be specified using . It is also possible to locally use another font using . Both and open the font browser. Fonts have three main characteristics: <\description> Fonts are grouped together into with a similar design. Inside the same font family, individual fonts have different , such as bold, italic, small capitals, etc. The font in points. The user may directly specify these three characteristics in the font browser, which also displays some sample text for the selected font. The font browser also provides a way to quickly select fonts based on desirable font properties. For instance, by filtering on a \Pbold weight\Q and \Psans serif\Q, one may find a bold sans serif font which mixes as well as possible with the main font. allows you to filter on the following criteria: <\description> The font corresponds to the \Pthickness\Q of the font: >|>||>|>>>>>> The font determines the angle of the font: >|>|>>>>>> This property determines the horizontal width for a fixed vertical height: >|>|>>>>>> This property determines how lowercase letters are capitalized: >|>>>>>> This feature corresponds to the projecting features called \Pserifs\Q at the end of strokes: >|>>>>>> This feature corresponds to the horizontal spacing between characters: >|>>>>>> This property can be used to imitate specific \Pwriting devices\Q: >|>|>|>|>|>|>>>>>> Various other font features: >|>|>|>|>>|>|>|>|>|>>|>|>|>|>|>>>>> Each of the above properties really constitutes a on how the kind of font which be used. If no suitable font can be found on your particular system, then setting these properties may have no effect. Whenever you apply one or more filters, the font browser indicates which fonts match the selected properties. It also indicates the closest match for the current font in use. When pressing the button without selecting any particular matching font, then the selected font properties will be inserted as markup and used as rendering hints. In that case, the rendering may change when selecting another global document font (for instance). It should be noticed that comes with a limited number of preinstalled fonts, such as the fonts and several fonts prefixed by \PTeXmacs\Q. Documents which only use these fonts will be rendered the same on different systems (assuming the same version of ). When your documents contain other fonts as well, then these fonts may be replaced by closest matches when opening your document under a different operating system. >