INCLUDE{`page`} include other topic or web page Merges the content of a specified page into the current one before rendering. Syntax: % INCLUDE{`page`...
IF{`condition` ...} simple conditionals Evaluate a condition and show one text or another based on the result. See details in IfStatements Syntax: % IF...
ICONURLPATH{`name`} URL path of small documentation graphic or icon Generates the URL path of a TWikiDocGraphics image, typically used in an HTML img tag. Specify...
ICONURL{`name`} URL of small documentation graphic or icon Generates the full URL of a TWikiDocGraphics image, which TWiki renders as an image. The related...
ICON{`name`} small documentation graphic or icon of common attachment types Generates the HTML img tag of a small graphic image attached to TWikiDocGraphics....
HTTPS get HTTPS headers The same as % HTTP% but operates on the HTTPS environment variables present when the SSL protocol is in effect. Can be used to determine...
HTTP get HTTP headers Called with the name of an HTTP header field, returns its value. Capitalization and the use of hyphens versus underscores are not significant...
GROUPS a formatted list of groups Expands to a formatted list of user groups in your TWiki. The variable is intended to be used in .TWikiGroups, to allow a group...
GREEN start green colored text GREEN is one of the rendering shortcut settings predefined in TWikiPreferences. See the section rendering shortcut settings...
GRAY start gray colored text GRAY is one of the rendering shortcut settings predefined in TWikiPreferences. See the section rendering shortcut settings in...
FAILEDPLUGINS debugging for plugins that failed to load, and handler list Syntax: % FAILEDPLUGINS% Expands to: See TWikiPlugins#FAILEDPLUGINS Category...
ENV{`varname`} inspect the value of an environment variable Returns the current value of the environment variable in the CGI (Common Gateway Interface) environment...
ENTITY{string} encode a string to HTML entities Encode `special` characters to HTML entities. Useful to encode text properly for HTML input fields. Encoded...