###### 3.1.1.2.8 dlhead

The <dlhead> element contains optional headings for the term and description columns in a definition list. The definition list heading may contain a heading <dthd> for the column of terms and a heading <ddhd> for the column of descriptions.

###### Contains

Doctype | Content model
topic, map, concept, ditabase, glossary, glossentry, glossgroup, reference, task, bookmap, classifyMap, subjectScheme, machineryTask, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary | ( (dthd) (optional) then (ddhd) (optional) )

###### Contained by

Doctype | Content model
topic (base), map (base), topic (technical content), map (technical content), concept, ditabase, glossary, glossentry, glossgroup, reference, task (strict), task (general), bookmap, classifyMap, subjectScheme, machineryTask, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary | dl

###### Inheritance

- topic/dlhead

###### Example

Definition list with a heading

    <dl>
     <dlhead>
      <dthd>Image File View Selection</dthd>
      <ddhd>Resulting Information</ddhd>
     </dlhead>
     <dlentry>
      <dt>File Type</dt>
      <dd>Image's file extension</dd>
     </dlentry>
     <dlentry>
      <dt>Image Class</dt>
      <dd>Image is raster, vector, metafile or 3D</dd>
     </dlentry>
     <dlentry>
      <dt>Number of pages</dt>
      <dd>Number of pages in the image</dd>
     </dlentry>
     <dlentry>
      <dt>Fonts</dt>
      <dd>Names of the fonts contained within a vector image</dd>
     </dlentry>
    </dl>

###### Attributes

Name | Description | Data Type | Default Value | Required?
univ-atts attribute group (includes select-atts, id-atts, and localization-atts groups) | A set of related attributes, described in 3.4.1.3 univ-atts attribute group |  |  |
global-atts attribute group (xtrf, xtrc) | A set of related attributes, described in 3.4.1.2 global-atts attribute group |  |  |
class, outputclass | Common attributes described in 3.4.1.9 Other common DITA attributes |  |  |

Previous Topic: 3.1.1.2.7 dlentry

Next Topic: 3.1.1.2.9 dt

Parent Topic: 3.1.1.2 Body elements

Sibling Topics:

3.1.1.2.1 alt

3.1.1.2.2 cite

3.1.1.2.3 dd

3.1.1.2.4 desc

3.1.1.2.5 ddhd

3.1.1.2.6 dl

3.1.1.2.7 dlentry

3.1.1.2.9 dt

3.1.1.2.10 draft-comment

3.1.1.2.11 dthd

3.1.1.2.12 example

3.1.1.2.13 fig

3.1.1.2.14 figgroup

3.1.1.2.15 fn

3.1.1.2.16 image

3.1.1.2.17 keyword

3.1.1.2.18 li

3.1.1.2.19 lines

3.1.1.2.20 longdescref

3.1.1.2.21 longquoteref

3.1.1.2.22 lq

3.1.1.2.23 object

3.1.1.2.24 note

3.1.1.2.25 ol

3.1.1.2.26 p

3.1.1.2.27 param

3.1.1.2.28 ph

3.1.1.2.29 pre

3.1.1.2.30 q

3.1.1.2.31 section

3.1.1.2.32 sectiondiv

3.1.1.2.33 sl

3.1.1.2.34 sli

3.1.1.2.35 term

3.1.1.2.36 text

3.1.1.2.37 tm

3.1.1.2.38 ul

3.1.1.2.39 xref