Fix CodeSniffer whitespace violoations

Removed extraneous whitespace to eliminate errors reported by the
Squiz.WhiteSpace.SuperfluousWhitespace sniff.

FS#2840 fix typo in debug message

we now require PHP 5.2.0 at least

change nomenclature from 'show' to 'allow' (fn from canshow to allowed)

for completeness (& defensive coding), test ['show'] against MSG_PUBLIC in case its redefined to a non-zero value

add capability to restrict recipients of dokuwiki 'msg' alerts. This is useful where message is added to the queue before authentication is initialized

added to version info if version is unknown

check for unicode preg capabilities in UTF-8 lib FS#2636

We now have two defines for checking for UTF-8 and Unicode property
support in PREG and use them to work around FS#2636 on older systems.

added PCRE UTF-8 checks to do=check FS#2636

avoid multiple paralell update checks

we now touch the messages before the actual update happens. this should
lower the chance of more than one update check running at a time.

removed data dir security check as suggested in FS#2547

replaced use of basename() with utf8_basename() FS#2015

check locale setting in do=check FS#2445

don't check data dir writability in do=check

these are already checked in init.php, so we can save some space here

Fixes messages.txt's modification timestamp not being updated.

This bug occurs on systems where writing a zero-length string to an
empty file does not update the file's modification timestamp.

This

Fixes messages.txt's modification timestamp not being updated.

This bug occurs on systems where writing a zero-length string to an
empty file does not update the file's modification timestamp.

This leads to the messages.txt being downloaded almost endlessly, causing
long delays for logged-in users. Visitors are not affected, because the
messages.txt is only updated for logged-in users.

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use DOKU_SCRIPT instead of stray doku.php in checkUpdateMessages() (FS#2364)

Verify conf/ directory is writable in the do=check action

added new plugins config cascade and added plugin.info.txt

fixed some missing config_cascade occurrences (FS#2235)

Fix the wording of the search index check messages

Add a test to do=check that should detect search index corruption

With this test it should be possible to detect if the search index has
been corrupted by using Rincewind RC or a git version of the

Add a test to do=check that should detect search index corruption

With this test it should be possible to detect if the search index has
been corrupted by using Rincewind RC or a git version of the weeks
before the RC release.

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Fix msg() calls when messages have already been printed

This commit fixes two bugs that occurred when msg() was called after
html_msgarea() had already been called.
- the $MSG array is now cleared w

Fix msg() calls when messages have already been printed

This commit fixes two bugs that occurred when msg() was called after
html_msgarea() had already been called.
- the $MSG array is now cleared when it has been printed (otherwise $MSG
has been printed again when another msg() call was done)
- headers_sent() didn't work for me, it always reported false although
html_msgarea() had already been called which might be explainable with
output buffering. This makes msg() now depend on the first call of
html_msgarea() or headers_sent() in order to not to break msg() in
ajax requests etc.

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Write the debug log only when debugging is enabled

The debug log isn't automatically cleaned so don't write to it when
debugging is disabled and thus nobody is aware that debug output might
be gener

Write the debug log only when debugging is enabled

The debug log isn't automatically cleaned so don't write to it when
debugging is disabled and thus nobody is aware that debug output might
be generated.

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moved update message from its own file (conf/msg) into doku.php (FS#1800)

FS#1878: Hide Dokuwiki version information from metadata and only show it to admins and manager in do=check. Also protected meta files README, VERSION and COPYING additionally to .ht*