parenthesis-matching-style

Arguments: cg-configuration

Returns the value of the parenthesis-matching-style property of cg-configuration. The current configuration is the value of (configuration *system*) (see configuration and *system*).

This value determines what sort of mark is drawn in a lisp-edit-pane window to indicate the parenthesis or double-quote character that matches the character at the text cursor, to denote the "other end" of a list or literal string. This applies to Common Ggraphics applications as well as to the IDE's editors and listeners.

On Mac OS X, matching characters cannot be drawn directly so they are drawn with a pop-up window. See *show-parenthesis-matches-as-pop-up-window* and the not after the list of possible styles.

(setf parenthesis-matching-style) may be called to set the value, and in the IDE the option also appears on the editor tab of the dialog displayed by the Tools | Options menu command. See also parenthesis-matching-color, parentheses-matched, and without-parenthesis-matching.

The choices are:

• :color-bar: display a vertical bar ( | ) in parenthesis-matching-color next to the matching parenthesis.
• :color-outline: enclose the matching parenthesis in a box outline in parenthesis-matching-color.
• :color-block: enclose the matching parenthesis in a filled box in parenthesis-matching-color (the matching parenthesis shows through the box).
• :inverted-block: enclose the matching parenthesis in a filled box that inverts the foreground and background colors.
• :parenthesis-color: display the matching parenthesis itself in parenthesis-matching-color.
• :off: no visual parenthesis matching.

If the value of *show-parenthesis-matches-as-pop-up-window* is true, as it normally is on Mac OS X, then parenthesis matching will always behave as if the value of this option were :color-block.

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Created 2019.8.20.