if, conditional blocks

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

if, conditional blocks

Use @if@ to include blocks only if some condition is true.  

if. true {{

  it's true

}}

if. true {{

  it's true
  
  else. {{
    it's false
  }}

}}

if. false {{

  it's true
  
  else. {{
    it's false
    
    bq. really false 
  }}

}}

if. task.isDefined("_Next_") {{

  goto next page
  
  else. {{
    there is no more
  }}

}}

if. task.isDefined("_Next_") {{

  "_Next_" is defined as ${_Next_}
  
  else. {{
    if. task.isDefined("_NaturalLabel_") {{
        the _NaturalLabel_ for this file is "${_NaturalLabel_}"
    }}
  }}

}}

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