3.1.4.2.4 sub

A subscript (<sub>) indicates that text should be subscripted, or placed lower in relationship to the surrounding text. Subscripted text is often a smaller font than the surrounding text. Formatting may vary depending on your output process. This element is part of the DITA highlighting domain. Use this element only when a more semantically appropriate element is not available.

Contains

Doctype

Content model

topic (base), map (base), classifyMap, subjectScheme, learningAssessment, learningBookmap, learningContent, learningMap, learningOverview, learningPlan, learningSummary

( text data or boolean or cite or keyword or ph or b or i or sup or sub or tt or u or q or term or tm or xref or state or data or data-about or foreign or unknown) (any number)

topic (technical content), map (technical content), concept, ditabase, glossary, glossentry, glossgroup, reference, task, bookmap

( text data or boolean or cite or keyword or apiname or option or parmname or cmdname or msgnum or varname or wintitle or ph or b or i or sup or sub or tt or u or codeph or synph or filepath or msgph or systemoutput or userinput or menucascade or uicontrol or q or term or abbreviated-form or tm or xref or state or data or data-about or foreign or unknown) (any number)

machineryTask

( text data or boolean or cite or keyword or wintitle or ph or b or i or sup or sub or tt or u or menucascade or uicontrol or q or term or tm or xref or state or data or data-about or foreign or unknown) (any number)

Contained by

Doctype

Content model

topic (base)

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid

map (base), classifyMap, subjectScheme, learningMap

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, linktext, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid

topic (technical content), concept

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid, screen, codeph, codeblock, pt, pd, fragref, synnote

map (technical content)

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, linktext, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid, screen, codeph, codeblock, pt, pd, fragref, synnote

ditabase

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, prereq, context, steps-informal, stepsection, cmd, info, tutorialinfo, stepxmp, choice, choptionhd, chdeschd, choption, chdesc, stepresult, result, postreq, refsyn, proptypehd, propvaluehd, propdeschd, proptype, propvalue, propdesc, glossterm, glossdef, glossProperty, glossUsage, glossScopeNote, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid, screen, codeph, codeblock, pt, pd, fragref, synnote

glossary, glossentry, glossgroup

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, glossterm, glossdef, glossProperty, glossUsage, glossScopeNote, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid, screen, codeph, codeblock, pt, pd, fragref, synnote

reference

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, refsyn, proptypehd, propvaluehd, propdeschd, proptype, propvalue, propdesc, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid, screen, codeph, codeblock, pt, pd, fragref, synnote

task (strict), task (general)

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, prereq, context, steps-informal, stepsection, cmd, info, tutorialinfo, stepxmp, choice, choptionhd, chdeschd, choption, chdesc, stepresult, result, postreq, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid, screen, codeph, codeblock, pt, pd, fragref, synnote

bookmap

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, linktext, booklibrary, mainbooktitle, booktitlealt, organizationname, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid, screen, codeph, codeblock, pt, pd, fragref, synnote

machineryTask

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, prereq, context, steps-informal, stepsection, cmd, info, tutorialinfo, stepxmp, choice, choptionhd, chdeschd, choption, chdesc, stepresult, result, postreq, reqcond, reqcontp, personnel, perscat, perskill, esttime, supequi, supply, spare, safecond, typeofhazard, consequence, howtoavoid, b, u, i, tt, sup, sub, screen

learningAssessment, learningOverview, learningSummary

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, lcIntro, lcObjectivesStem, lcObjective, lcAudience, lcTime, lcPrereqs, lcSummary, lcNextSteps, lcReview, lcResources, lcChallenge, lcInstruction, b, u, i, tt, sup, sub, lcQuestionBase, lcInstructornote, lcQuestion, lcOpenAnswer, lcFeedback, lcFeedbackCorrect, lcFeedbackIncorrect, lcAnswerContent, lcItem, lcMatchingItem

learningBookmap

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, linktext, booklibrary, mainbooktitle, booktitlealt, organizationname, b, u, i, tt, sup, sub, typeofhazard, consequence, howtoavoid

learningContent

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, lcIntro, lcObjectivesStem, lcObjective, lcAudience, lcTime, lcPrereqs, lcSummary, lcNextSteps, lcReview, lcResources, lcChallenge, lcInstruction, prereq, context, steps-informal, stepsection, cmd, info, tutorialinfo, stepxmp, choice, choptionhd, chdeschd, choption, chdesc, stepresult, result, postreq, refsyn, proptypehd, propvaluehd, propdeschd, proptype, propvalue, propdesc, b, u, i, tt, sup, sub, lcQuestionBase, lcInstructornote, lcQuestion, lcOpenAnswer, lcFeedback, lcFeedbackCorrect, lcFeedbackIncorrect, lcAnswerContent, lcItem, lcMatchingItem

learningPlan

data, title, navtitle, shortdesc, desc, p, note, lq, q, sli, li, itemgroup, dthd, ddhd, dt, dd, figgroup, pre, lines, ph, alt, stentry, draft-comment, fn, cite, xref, entry, source, searchtitle, abstract, bodydiv, section, sectiondiv, example, linktext, linkinfo, lcIntro, lcObjectivesStem, lcObjective, lcAudience, lcTime, lcPrereqs, lcSummary, lcNextSteps, lcReview, lcResources, lcChallenge, lcInstruction, lcGeneralDescription, lcGoals, lcNeeds, lcValues, lcOrgConstraints, lcEdLevel, lcAge, lcBackground, lcSkills, lcKnowledge, lcMotivation, lcSpecChars, lcWorkEnvDescription, lcPlanResources, lcProcesses, lcTaskItem, lcAttitude, lcPlanObjective, lcJtaItem, lcGapItemDelta, lcLearnStrat, lcAssessment, lcDelivery, b, u, i, tt, sup, sub, lcQuestionBase, lcInstructornote, lcQuestion, lcOpenAnswer, lcFeedback, lcFeedbackCorrect, lcFeedbackIncorrect, lcAnswerContent, lcItem, lcMatchingItem

Inheritance

+ topic/ph hi-d/sub

Example
The power produced by the electrohydraulic dam was 10<sup>10</sup> more than 
the older electric plant.  The difference was H<sub>2</sub>O.
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:  3.1.4.2.3 sup

Next Topic:  3.1.4.2.5 tt

Parent Topic:  3.1.4.2 Typographic elements

Sibling Topics:

3.1.4.2.1 b

3.1.4.2.2 i

3.1.4.2.3 sup

3.1.4.2.5 tt

3.1.4.2.6 u