Merge remote-tracking branch 'remotes/origin/master' into revisions_local

adjust logic of caching comments for _nocache

Fix a couple of issues with PR#571

1. renderer validity checks were too stringent for plugins, format
should only need to be checked when mode is 'xhtml'
2. E_USER_WARNING message should now be o

Fix a couple of issues with PR#571

1. renderer validity checks were too stringent for plugins, format
should only need to be checked when mode is 'xhtml'
2. E_USER_WARNING message should now be obsolete, its previous use
was to generate a warning when 'xhtml' rendering failed. PR#571
insures 'xhtml' rendering always succeeds.

show more ...

resolve scrutinizer issue, is_a type hint doesn't allow null

remove rendundant msg

revert back to trigger error

change to an Exception and expect it

code cleaning - add some braces

rework p_get_renderer() for use with autoloading bundled renderers

add renderers to autolader

remove reference operator from p_get_renderer() declaration, not required for php5

if configured renderer is not found, try to fallback to a bundled renderer

Merge remote-tracking branch 'origin/diff_navigation' into revisions

Conflicts:
inc/parser/xhtml.php

php doc block

change behavior only on date_at

remove property rev from xhtml.php
changed variable name $create_time to $modified_time

add parameter at($DATE_AT) and mind revisions

refactor to avoid php notice and match structure of rest of p_get_renderer()

fix php strict and remove double duplicated code of renderer plugin loader

removed a bunch of functions which were deprecated in 2005/2006

Merge pull request #121 from splitbrain/strict

fix E_STRICT errors FS#2427

only execute valid instructions FS#2432

Be more careful when setting metadata values FS#2514

This fixes a warning when setting $meta['relation']['firstimage']
using p_set_metadata.

fix E_STRICT errors FS#2427

This commit fixes all E_STRICT messages shown when running the test
suite. There might be more problems not covered by tests, yet.

For compatibility reasons with plugins

fix E_STRICT errors FS#2427

This commit fixes all E_STRICT messages shown when running the test
suite. There might be more problems not covered by tests, yet.

For compatibility reasons with plugins, E_STRICT errors are still
supressed.

show more ...

Initialize more variables and test if others are set (no functional changes)