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Two or More `First' Lines

To create two or more `first' or header lines for a definition, follow the first @deffn line by a line beginning with @deffnx. The @deffnx command works exactly like @deffn except that it does not generate extra vertical white space between it and the preceding line.

For example,

     @deffn {Interactive Command} isearch-forward
     @deffnx {Interactive Command} isearch-backward
     These two search commands are similar except ...
     @end deffn
     

produces

isearch-forward Interactive Command
isearch-backward Interactive Command
These two search commands are similar except ...

Each definition command has an `x' form: @defunx, @defvrx, @deftypefunx, etc.

The `x' forms work just like @itemx; see @itemx.