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18.5 Flags: @set
, @clear
, conditionals, and @value
You can direct the Texinfo formatting commands to format or ignore parts
of a Texinfo file with the @set
, @clear
, @ifset
,
and @ifclear
commands.
Here are brief descriptions of these commands, see the following sections for more details:
@set flag [value]
Set the variable flag, to the optional value if specified.
@clear flag
Undefine the variable flag, whether or not it was previously defined.
@ifset flag
If flag is set, text through the next
@end ifset
command is formatted. If flag is clear, text through the following@end ifset
command is ignored.@inlineifset{flag, text}
Brace-delimited version of
@ifset
.@ifclear flag
If flag is set, text through the next
@end ifclear
command is ignored. If flag is clear, text through the following@end ifclear
command is formatted.@inlineifclear{flag, text}
Brace-delimited version of
@ifclear
.
18.5.1 @set and @value | Expand a flag variable to a string. | |
18.5.2 @ifset and @ifclear | Format a region if a flag is set. | |
18.5.3 @inlineifset and @inlineifclear | Brace-delimited flag conditionals. | |
18.5.4 @value Example | An easy way to update edition information. |
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