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> 20 Providing navigation in HTML > 20.4 Creating a browse sequence > 20.4.1 Understanding how browse macros work > 20.4.1.4 Understanding how browse macros employ macro variables

#### 20.4.1.4 Understanding how browse macros employ macro variables

The definition of each browse macro includes predefined macro variables for a destination for the link and for a label. Table 20-3 shows the default values of the link destination and link label used in <$_prev> and <$_next> for each file position.

Table 20-3 Default destination and label values for browse macros

Macro | File position in sequence | Destination value | Label value
<$_prev> | First file split from first FrameMaker file in sequence | None (no destination code) | At Start
First file split from: - each non-first FrameMaker file - all non-first unsplit files | <$$_seqprevfile> | <$$_seqprevtitle>
All other split files | <$$_prevfile> | <$$_prevtitle>
<$_next> | Last file split from last FrameMaker file in sequence | None (no destination code) | At End
Last file split from: - each non-last FrameMaker file - all non-last unsplit files | <$$_seqnextfile> | <$$_seqnexttitle>
All other split files | <$$_nextfile> | <$$_nexttitle>

Table 20-4 shows the meanings of the macro variables used in browse-macro definitions.

Table 20-4 Component macro variables for browse macros

Macro | Macro variable | Description
<$_prev> | <$$_prevfile> | File name of preceding split file
<$$_prevtitle> | Title of preceding split file
<$$_seqprevfile> | Name of preceding file in sequence, with extension .htm
<$$_seqprevtitle> | Title listed in sequence for preceding FrameMaker file
<$_next> | <$$_nextfile> | File name of following split file
<$$_nexttitle> | Title of following split file
<$$_seqnextfile> | Name of following file in sequence, with extension .htm
<$$_seqnexttitle> | Title listed in sequence for following FrameMaker file
Either macro | <$$_currfile> | File name of current split file
<$$_currtitle> | Title of current split file (the one used in HTML <title> element)
<$$_seqcurrfile> | Name of current file in sequence, with extension .htm
<$$_seqcurrtitle> | Title listed in sequence for current FrameMaker file

See §18.6 Referencing split and extract files for additional macro variables that refer to file names and titles of split and extracted files.

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| Mif2Go User's Guide: 20.4.1.3 Understanding equivalent browse macros and macro variables |  | Mif2Go User's Guide: 20.4.2 Choosing buttons versus text links for a browse sequence |