ifndef, if key is not defined

See also ifdef and if.

directory name ifndef

key x is not defined

source for Home/ByExample/XilizeMarkup/Signatures/Directives/ifndef :: index.xil

ifndef, if key is not defined

See also &{link:ifdef} and &{link:if}.

ifdef. _DirName_ directory name ${_DirName_}

ifndef. _DirName_ directory name _DirName_ is not defined

ifdef. x value of key x is ${x}

ifndef. x key x is not defined

Long lines are wrapped in this listing.
Use your web browser's "View Page Source" feature to examine the HTML