Macro Language Reference > PIs > Text > <?bb>
  
<?bb>
Description
This command is used to mark the start of a block. It can be used to delimit Maths commands such as \tboxx or in conjunction with <?ruby> text. The end of the block is marked by the <?eb> command.
 
This command is an alias of the <?bblock> command.
 
Example 437. Define start of block of ruby text commands
This sequence of commands shown below is an example of ruby text using <?bb> and <?eb>:
<?tchrrot=3><?bb><?tchrrot=1><?ruby=1>AND<?rt=1>
<?tic=red>Before<?tic><?rta=1><?tic=blue>After<?tic>
<?ruby><?tchrrot=3><?eb><?tchrrot>
Syntax
<?bb>
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