13.3. Document Variables
Purpose
These variables are related to the document SDF is currently processing.
Interface
| Name | Type | Purpose | 
| Control: | ||
| DOC_TOC | integer | table of contents level | 
| DOC_TWO_SIDES | boolean | build a two-sided document | 
| Book controls: | ||
| DOC_LOF | boolean | build a list of figures | 
| DOC_LOT | boolean | build a list of tables | 
| DOC_IX | boolean | build an index | 
| Information: | ||
| DOC_PATH | string | the full pathname of the current document | 
| DOC_DIR | string | the directory of the current document | 
| DOC_BASE | string | the base (filename) of the current document | 
| DOC_EXT | string | the extension of the current document | 
| DOC_SHORT | string | the base and extension of the current document | 
| DOC_START | datetime | the time document conversion started | 
| DOC_MODIFIED | datetime | the most recent modification time of files visited so far | 
