This patch assumes that smb_hfield*() does not potentially block...

The timeout parameter specifies the number of milliseconds to wait for an
available runtime.

(Something is better than nothing)

its own sbbs_t instance since the JS context must be destroyed in the same
thread in which it was created or else an assertion is thown.

SpiderMonkey 1.7

this sets the background to the foreground and the foreground to black.

spaces on the next line.

Specifically, if the prefix is the entire line, to not force a hard CR
*after* it, and if when comparing prefixes, allow for extra whitespace on
the ends.

in the web interface stuff to "unwrap" messages.

(e.g. 1000.0) instead of an integer (e.g. 1000). Borland C++ is one example.

parameter to duplicate callback to a void *

is different.  If it returns true, it is assumed the current_file_name has
changed.

Fixed msvc6 warnings and errors.