[Trac] Escaping underscores

[Christian Boos]

Peter Kropf wrote:

>Hi -
>
>The Trac wiki engine uses two underscores (__) to indicate that the
>text to follow is to be displayed with underlined. However, there are
>some circumstances where the two underscores should be displayed as
>is. For me, this typically occurs when writing about C macros. __hpux
>and __ia64 are two that are currently needed in a ticket description
>  
>
!__hpux and !__ia64 would work too...

! inhibits the normal Wiki formatting of most of what follows.

-- Christian