Binary and Text content

Because I'd like to keep it small (see also the "Everything in one
script" paragraph) ewiki also creates just one database table.
Differently from other Wikis this one has the 'flags' setting for
each saved page. And as I successfully used this bad trick in earlier
projects many times to integrate support for hundreds of different
functions (CMS, links, boards/forums, ...) into a single table; I
thought it could be funny to have something like this in ewiki too.

While the image thingi seemed senseful to me, other binary data
cannot be feed into database without helper plugins, because this is
a Wiki script and not an almighty portal software!

Uploading and caching of images requires the EWIKI_SCRIPT_BINARY+
constant to be set correctly (no output may be made before "ewiki.php"
is included == "binary safe").
The ewiki_binary() function handles almost all of this, and gets
activated automagically (whenever required) as soon as ewiki.php is
included().

I believe these functions to be rather safe, as there are many sanity checks
throughout the code to separate between _DB_F_BINARY and _DB_F_TEXT content.

prev << "Binary and Text content"
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You cannot modify the README file, but anyhow any ideas or suggestion should as usually get filed on BugReports, UserSuggestions or even better the README.Discussion.