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| %BytesOutput | Contains the number of bytes written to the current output file. This can be used to detect empty embed points (if no bytes were written, it contained nothing). |
| %CommentColumn | Contains the column where comments (#<;) are generated. |
| %ConditionalGenerate | Contains 1 if the Conditional Generation box is checked on the Application Options window. |
| %CWRoot | Contains the value of the "Root" key found in the CW section of the WIN.INI file. |
| %CWVersion | Contains the current version release number of Clarion for Windows. For example, for the first release of version 2.0, this contains 2000. |
| %EmbedID | Contains the current embed point's identifying symbol. |
| %EmbedDescription | The current embed point's description. |
| %EmbedParameters | The current embed point's current instance, as a comma-delimited list. |
| %EOF | Contains the value that flags the end of file when reading a file with #READ. |
| %False | Contains an empty string (''). |
| %Null | Contains nothing. This is used for comparison to detect empty symbols. |
| %OutputOffset | Same as %BytesOutput. |
| %OutputIndent | Contains the implicit indentation level. |
| %OutputColumn | Current column in the output file. Could be used for aligning to different columns. |
| %True | Contains 1. |
| %UtilityArguments | Set to the parameter when executing a Utility template from an external call (e.g., the ClarionCL utility). See [[ utility  utility execution section .htm|#UTILITY]] for more information. |
| %Win32 | Contains 1 if #RUNDLL with the WIN32 attribute can be executed. |