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BLOCK_REGION_NONEblock/ block.moduleDenotes that a block is not enabled in any region and should not be shown.
COMMENT_ANONYMOUS_MAYNOT_CONTACTcomment/ comment.moduleAnonymous posters may not enter their contact information.
COMMENT_ANONYMOUS_MAY_CONTACTcomment/ comment.moduleAnonymous posters may leave their contact information.
COMMENT_ANONYMOUS_MUST_CONTACTcomment/ comment.moduleAnonymous posters must leave their contact information.
COMMENT_CONTROLS_ABOVEcomment/ comment.moduleComment controls should be shown above the comment list.
COMMENT_CONTROLS_ABOVE_BELOWcomment/ comment.moduleComment controls should be shown both above and below the comment list.
COMMENT_CONTROLS_BELOWcomment/ comment.moduleComment controls should be shown below the comment list.
COMMENT_CONTROLS_HIDDENcomment/ comment.moduleComment controls are hidden.
COMMENT_FORM_BELOWcomment/ comment.moduleComment form should be shown below post or list of comments.
COMMENT_FORM_SEPARATE_PAGEcomment/ comment.moduleComment form should be displayed on a separate page.
COMMENT_MODE_FLAT_COLLAPSEDcomment/ comment.moduleComments are displayed in a flat list - collapsed.
COMMENT_MODE_FLAT_EXPANDEDcomment/ comment.moduleComments are displayed in a flat list - expanded.
COMMENT_MODE_THREADED_COLLAPSEDcomment/ comment.moduleComments are displayed as a threaded list - collapsed.
COMMENT_MODE_THREADED_EXPANDEDcomment/ comment.moduleComments are displayed as a threaded list - expanded.
COMMENT_NODE_DISABLEDcomment/ comment.moduleComments for this node are disabled.
COMMENT_NODE_READ_ONLYcomment/ comment.moduleComments for this node are locked.
COMMENT_NODE_READ_WRITEcomment/ comment.moduleComments are enabled on this node.
COMMENT_NOT_PUBLISHEDcomment/ comment.moduleComment is awaiting approval.
COMMENT_ORDER_NEWEST_FIRSTcomment/ comment.moduleComments are ordered by date - newest first.
COMMENT_ORDER_OLDEST_FIRSTcomment/ comment.moduleComments are ordered by date - oldest first.
COMMENT_PREVIEW_OPTIONALcomment/ comment.moduleComment preview is optional.
COMMENT_PREVIEW_REQUIREDcomment/ comment.moduleComment preview is required.
COMMENT_PUBLISHEDcomment/ comment.moduleComment is published.
DRUPAL_MINIMUM_MYSQLsystem/ system.install
DRUPAL_MINIMUM_PGSQLsystem/ system.install
DRUPAL_MINIMUM_PHPsystem/ system.install
EMAIL_MAX_LENGTHuser/ user.module
FILTER_FORMAT_DEFAULTfilter/ filter.module
FILTER_HTML_ESCAPEfilter/ filter.module
FILTER_HTML_STRIPfilter/ filter.module
NODE_NEW_LIMITnode/ node.module
PREG_CLASS_CJKsearch/ search.moduleMatches all CJK characters that are candidates for auto-splitting (Chinese, Japanese, Korean). Contains kana and BMP ideographs.
PREG_CLASS_NUMBERSsearch/ search.moduleMatches all 'N' Unicode character classes (numbers)
PREG_CLASS_PUNCTUATIONsearch/ search.moduleMatches all 'P' Unicode character classes (punctuation)
PREG_CLASS_SEARCH_EXCLUDEsearch/ search.moduleMatches Unicode character classes to exclude from the search index.
PROFILE_HIDDENprofile/ profile.moduleHidden profile field, only accessible by administrators, modules and themes.
PROFILE_PRIVATEprofile/ profile.modulePrivate field, content only available to privileged users.
PROFILE_PUBLICprofile/ profile.modulePublic field, content shown on profile page but not used on member list pages.
PROFILE_PUBLIC_LISTINGSprofile/ profile.modulePublic field, content shown on profile page and on member list pages.
USERNAME_MAX_LENGTHuser/ user.module
VERSIONsystem/ system.module