Difference between revisions of "Character unit"

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(Character unit overview)
(ODF support)
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= File format support =
 
= File format support =
 
== ODF support ==
 
== ODF support ==
ODF does not support Character unit yet. The following proposal will be sent to the ODF TC for discussion.
+
As mentioned above, Characters unit is most used in left and right margins for a paragraph, and the indentation of first line for a paragraph. While line unit is used in top and bottom margins for a paragraph.
 +
 
 +
ODF does not support character units and line units yet.
  
 
= Appendix =
 
= Appendix =

Revision as of 07:57, 7 June 2007

Character unit overview

In CJK, especailly in China, character is used as a unit to measure some paragraph attributes, such as indentation, line spacing and tab stop. etc. Character unit is most useful in processing Chinese. For example, users are used to use two characters as the indent of first line of the paragraph.

**大家好

大家好,才是真的好

With character unit, users need not worry about the layout confusion due to font size changing.

For line spacing of paragraph, line unit is used.

Feature

Implementation

File format support

ODF support

As mentioned above, Characters unit is most used in left and right margins for a paragraph, and the indentation of first line for a paragraph. While line unit is used in top and bottom margins for a paragraph.

ODF does not support character units and line units yet.

Appendix

Open XML support

  • Line Spacing in Line Units

[xml]

 <xsd:complexType name="CT_Spacing">
   <xsd:attribute name="beforeLines" type="ST_DecimalNumber" use="optional">
     <xsd:annotation>
       <xsd:documentation>Spacing Above Paragraph IN Line Units</xsd:documentation>
     </xsd:annotation>
   </xsd:attribute>
   <xsd:attribute name="afterLines" type="ST_DecimalNumber" use="optional">
     <xsd:annotation>
       <xsd:documentation>Spacing Below Paragraph in Line Units</xsd:documentation>
     </xsd:annotation>
   </xsd:attribute>
 </xsd:complexType>

  • Indentation In Character Units

[xml]

 <xsd:complexType name="CT_Ind">
   <xsd:attribute name="leftChars" type="ST_DecimalNumber" use="optional">
     <xsd:annotation>
       <xsd:documentation>Left Indentation in Character Units</xsd:documentation>
     </xsd:annotation>
   </xsd:attribute>
   <xsd:attribute name="rightChars" type="ST_DecimalNumber" use="optional">
     <xsd:annotation>
       <xsd:documentation>Right Indentation in Character Units</xsd:documentation>
     </xsd:annotation>
   </xsd:attribute>
   <xsd:attribute name="hangingChars" type="ST_DecimalNumber" use="optional">
     <xsd:annotation>
       <xsd:documentation>Indentation Removed From First Line in Character Units</xsd:documentation>
     </xsd:annotation>
   </xsd:attribute>
   <xsd:attribute name="firstLineChars" type="ST_DecimalNumber" use="optional">
     <xsd:annotation>
       <xsd:documentation>Additional First Line Indentation in Character Units</xsd:documentation>
     </xsd:annotation>
   </xsd:attribute>
 </xsd:complexType>

UOF support

  • Line Spacing In Line Units. (Part of schema)

[xml]

  <xsd:element name="段间距" minOccurs="0">
       <xsd:annotation>
               <xsd:documentation>Line Spacing</xsd:documentation>
       </xsd:annotation>
       <xsd:complexType>
               <xsd:all>
                       <xsd:element name="段前距" minOccurs="0">
                               <xsd:annotation>
                                       <xsd:documentation>Line Spacing Above Paragraph</xsd:documentation>
                               </xsd:annotation>
                               <xsd:complexType>
                                       <xsd:choice>
                                               <xsd:element name="相对值">
                                                       <xsd:annotation>
                                                               <xsd:documentation> Spacing Above Paragraph In Relative Value</xsd:documentation>
                                                       </xsd:annotation>
                                                       <xsd:complexType>
                                                               <xsd:attribute ref="uof:locID" use="required" fixed="t0200"/>
                                                               <xsd:attribute name="值" type="xsd:float" use="required"/>
                                                               <xsd:attribute ref="uof:attrList" use="required" fixed="值"/>
                                                       </xsd:complexType>
                                               </xsd:element>
                                       </xsd:choice>
                                       <xsd:attribute ref="uof:locID" use="required" fixed="t0196"/>
                               </xsd:complexType>
                       </xsd:element>
                       <xsd:element name="段后距" minOccurs="0">
                               <xsd:annotation>
                                       <xsd:documentation>Line Spacing Below Paragraph</xsd:documentation>
                               </xsd:annotation>
                               <xsd:complexType>
                                       <xsd:choice>
                                               <xsd:element name="相对值">
                                                       <xsd:annotation>
                                                               <xsd:documentation> Spacing Below Paragraph In Relative Value</xsd:documentation>
                                                       </xsd:annotation>
                                                       <xsd:complexType>
                                                               <xsd:attribute ref="uof:locID" use="required" fixed="t0203"/>
                                                               <xsd:attribute name="值" type="xsd:float" use="required"/>
                                                               <xsd:attribute ref="uof:attrList" use="required" fixed="值"/>
                                                       </xsd:complexType>
                                               </xsd:element>
                                       </xsd:choice>
                                       <xsd:attribute ref="uof:locID" use="required" fixed="t0197"/>
                               </xsd:complexType>
                       </xsd:element>
               </xsd:all>
               <xsd:attribute ref="uof:locID" use="required" fixed="t0058"/>
       </xsd:complexType>
    </xsd:element>


  • Indentation In Character Units (Part of schema)

[xml] <xsd:complexType name="缩进类型">

       <xsd:annotation>
               <xsd:documentation>Indentation of Paragraph</xsd:documentation>
       </xsd:annotation>
       <xsd:all>
               <xsd:element name="左" minOccurs="0">
                       <xsd:annotation>
                               <xsd:documentation>Left Indentation</xsd:documentation>
                       </xsd:annotation>
                       <xsd:complexType>
                               <xsd:choice>
                                       <xsd:element name="相对">
                                               <xsd:annotation>
                                                       <xsd:documentation>Left Indentation In Relative Value</xsd:documentation>
                                               </xsd:annotation>
                                               <xsd:complexType>
                                                       <xsd:attribute name="值" type="xsd:float" use="required"/>
                                                       <xsd:attribute ref="uof:locID" use="required" fixed="t0186"/>
                                                       <xsd:attribute ref="uof:attrList" use="required" fixed="值"/>
                                               </xsd:complexType>
                                       </xsd:element>
                               </xsd:choice>
                               <xsd:attribute ref="uof:locID" use="required" fixed="t0182"/>
                       </xsd:complexType>
               </xsd:element>
               <xsd:element name="右" minOccurs="0">
                       <xsd:annotation>
                               <xsd:documentation>Right Indentation</xsd:documentation>
                       </xsd:annotation>
                       <xsd:complexType>
                               <xsd:choice>
                                       <xsd:element name="相对">
                                               <xsd:annotation>
                                                       <xsd:documentation>Right Indentation In Relative Value</xsd:documentation>
                                               </xsd:annotation>
                                               <xsd:complexType>
                                                       <xsd:attribute name="值" type="xsd:float" use="required"/>
                                                       <xsd:attribute ref="uof:locID" use="required" fixed="t0188"/>
                                                       <xsd:attribute ref="uof:attrList" use="required" fixed="值"/>
                                               </xsd:complexType>
                                       </xsd:element>
                               </xsd:choice>
                               <xsd:attribute ref="uof:locID" use="required" fixed="t0183"/>
                       </xsd:complexType>
               </xsd:element>
               <xsd:element name="首行" minOccurs="0">
                       <xsd:annotation>
                               <xsd:documentation> First Line Indentation </xsd:documentation>
                       </xsd:annotation>
                       <xsd:complexType>
                               <xsd:choice>
                                       <xsd:element name="相对">
                                               <xsd:annotation>
                                                       <xsd:documentation> First Line Indentation In Relative Value </xsd:documentation>
                                               </xsd:annotation>
                                               <xsd:complexType>
                                                       <xsd:attribute name="值" type="xsd:float" use="required"/>
                                                       <xsd:attribute ref="uof:locID" use="required" fixed="t0190"/>
                                                       <xsd:attribute ref="uof:attrList" use="required" fixed="值"/>
                                               </xsd:complexType>
                                       </xsd:element>
                               </xsd:choice>
                               <xsd:attribute ref="uof:locID" use="required" fixed="t0184"/>
                       </xsd:complexType>
               </xsd:element>
       </xsd:all>

</xsd:complexType>

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