Minor: Doxygen comments

[lczech]

Most of my functions and classes are documented with Doxygen-style comments, e.g.

/**
 * @brief Stream interface for reading data from an @link BaseInputSource InputSource@endlink,
 * that keeps track of line and column counters.
 *
 * This class provides...
 */

Binder generates this doc string:

"Stream interface for reading data from an \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"

It is cool that Binder actually takes care of "binding" the documentation, too! However, it seems to break at @... directives other than @brief. Maybe, it is not an important feature to fix, because being able to process Doxygen directives might be too much, So in the future, I might work on this in a fork, but for completeness, I wanted to report it here, too, and get your opinion on this.