$iii![] and $ooo![] block flags

The $iii...+1+ and $ooo...+1+ hold the flags (as defined by
$ewiki_config["format_block"]...+2+) for each fragment of the
WikiPage+. The "core" blocks (plain WikiSource+) always have the
default 0x137F assigned.

currently used bit values are:
  0x0001 - render WikiMarkup (inline / text style)
  0x0002 - render WikiLinks+
  0x0004 - international character &#htmlentities; allowed
  0x0008 - enable BlockMarkup+ (lists, tables, headlines, ...)
    *NEW* 0x0400 - decode < > htmlentities again before calling block plugin
  0x1000 - fragment further (other block plugins can split it)

pseudo-values (OR checks / behaviour):
  0x0010 - consider to be inline block between WikiSourceBlocks+
           (prevents paragraph breaks between plugin and wiki block)
  0x0022 - scan for WikiWords+ in this paragraph

prev << "the format_ plugin hooks"
next >> "your own block markup plugin"

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You cannot modify the INTERNALS file, but anyhow any ideas or suggestion should as usually get filed on BugReports, UserSuggestions or even better the INTERNALS.Discussion.