-int writeExternal(InsetExternalParams const & params,
- string const & format,
- Buffer const & buffer, odocstream & os,
- ExportData & exportdata,
- bool external_in_tmpdir,
- bool dryrun)
+void writeExternal(InsetExternalParams const & params,
+ string const & format,
+ Buffer const & buffer, otexstream & os,
+ ExportData & exportdata,
+ bool external_in_tmpdir,
+ bool dryrun)