Fixed `[[` that would result in an attribute-specifier (see §7.6.1/6)

Signed-off-by: K-ballo <k@fusionfenix.com>
get_info specialisation for eoi and eol.
avoided skipper copy in lexeme directive

Signed-off-by: K-ballo <k@fusionfenix.com>
Fixes to make calc5.cpp compile again
Remove a confusing space inside the quotes around failed text.
Proper implementation of the rule attribute context handling
Merge branch 'master' of github.com:djowel/spirit_x3
A bit of cleanup
Merge remote-tracking branch 'remotes/origin/master' into k-ballo
Draft alternatives for lazy evaluation

Signed-off-by: K-ballo <k@fusionfenix.com>