I use \t to align fields with a structure say in an object definition.
Please provide a skinparam to set the tabulation width in number of spaces, so that I could for example have a tab with a 2 spaces width.
Suggested syntax: skinparam tabSize 2
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In the last beta: https://dl.dropboxusercontent.com/u/13064071/plantuml.jarwe have added a skinparam tabSize X, where X is the width in spaces.
Example:
@startuml skinparam tabSize 2 object foo { \tfield1 \tfield2 \tfield3 \tfield5\tfield6 } @enduml
Does is work for you ?
I don't think that is resolved. If the fields are of different width, they are not aligned, even if I specify a large number for tabWidth: see this diagram.
You can use a table to align fields, eg see this diagram.