todo « doc - ikiwiki-upstream - Unnamed repository; edit this file to name it for gitweb.

Mode	Name	Size
-rw-r--r--	ACL.mdwn	3331	log plain
-rw-r--r--	A_page_that_inlines_pages__61____34____42____34___results_in_unnecessary_feed_generation.mdwn	2884	log plain
-rw-r--r--	Account-creation_password.mdwn	291	log plain
-rw-r--r--	Account_moderation.mdwn	357	log plain
-rw-r--r--	Add_DATE_parameter_for_use_in_templates.mdwn	3310	log plain
-rw-r--r--	Add_a_plugin_to_list_available_pre-processor_commands.mdwn	7743	log plain
-rw-r--r--	Add_label_to_search_form_input_field.mdwn	2324	log plain
-rw-r--r--	Add_showdown_GUI_input__47__edit.mdwn	1619	log plain
-rw-r--r--	Add_space_before_slash_in_parent_links.mdwn	1900	log plain
-rw-r--r--	Add_support_for_latest_Text::Markdown_as_found_on_CPAN.mdwn	1803	log plain
-rw-r--r--	Adjust_goodstuff.mdwn	428	log plain
-rw-r--r--	Allow_TITLE_to_include_part_of_the_path_in_addition_to_the_basename.mdwn	3526	log plain
-rw-r--r--	Allow_change_of_wiki_file_types.mdwn	3948	log plain
-rw-r--r--	Allow_edittemplate_to_set_file_type.mdwn	1977	log plain
-rw-r--r--	Allow_per-page_template_selection.mdwn	1710	log plain
-rw-r--r--	Allow_web_edit_form_comment_field_to_be_mandatory.mdwn	1189	log plain
-rw-r--r--	Automatic_aggregate_setup_from_wikilist_in_Debian_package_.mdwn	1591	log plain
-rw-r--r--	BTS_integration.mdwn	677	log plain
-rw-r--r--	Bestdir_along_with_bestlink_in_IkiWiki.pm.mdwn	1263	log plain
d---------	Bestdir_along_with_bestlink_in_IkiWiki.pm	43	log plain
-rw-r--r--	Better_bug_tracking_support.mdwn	3589	log plain
-rw-r--r--	Better_reporting_of_validation_errors.mdwn	269	log plain
-rw-r--r--	BibTeX.mdwn	3324	log plain
-rw-r--r--	CGI_method_to_pullrefresh.mdwn	579	log plain
-rw-r--r--	CSS_classes_for_links.mdwn	3622	log plain
-rw-r--r--	CVS_backend.mdwn	334	log plain
-rw-r--r--	Case.mdwn	159	log plain
-rw-r--r--	Commit_emails:_ones_own_changes.mdwn	357	log plain
-rw-r--r--	Configurable_minimum_length_of_log_message_for_web_edits.mdwn	376	log plain
-rw-r--r--	Configureable_separator_of_page_name.mdwn	538	log plain
-rw-r--r--	Debian_package_could_Recommend_gcc_+_libc6-dev__44___not_Depend.mdwn	947	log plain
-rw-r--r--	Default_text_for_new_pages.mdwn	4476	log plain
-rw-r--r--	Does_not_support_non-UTF8_files.mdwn	635	log plain
-rw-r--r--	Editing_po_files.mdwn	202	log plain
-rw-r--r--	Enable_filtering_of_files_indexed_for_search.mdwn	261	log plain
-rw-r--r--	Feature_parity_with_Trac.mdwn	1595	log plain
-rw-r--r--	Fix_CSS_to_not_put_a_border_around_image_links.mdwn	247	log plain
-rw-r--r--	FormBuilder__95__Template__95__patch.mdwn	313	log plain
-rw-r--r--	Gallery.mdwn	3784	log plain
-rw-r--r--	Give_access_to_more_TMPL__95__VAR_variables_in_templates_inserted_by_the_template_plugin.mdwn	3490	log plain
-rw-r--r--	Google_Sitemap_protocol.mdwn	2861	log plain
-rw-r--r--	Have_xapian_index_pdf__44___openoffice__44___documents.mdwn	176	log plain
-rw-r--r--	IRC_topic.mdwn	466	log plain
-rw-r--r--	Improve_signin_form_layout.mdwn	1584	log plain
-rw-r--r--	Inline_plugin_option_to_show_full_page_path.mdwn	1735	log plain
-rw-r--r--	Location_of_pages_starting_with___36__tagbase_should_be_in__by_default.mdwn	489	log plain
-rw-r--r--	Mailing_list.mdwn	876	log plain
-rw-r--r--	Make_example_setup_file_consistent.mdwn	1495	log plain
-rw-r--r--	Move_teximg_latex_preamble_to_config_file.mdwn	6396	log plain
-rw-r--r--	Moving_Pages.mdwn	11249	log plain
-rw-r--r--	New_preprocessor_directive_syntax.mdwn	793	log plain
d---------	New_preprocessor_directive_syntax	43	log plain
-rw-r--r--	OpenSearch.mdwn	894	log plain
-rw-r--r--	Option_to_disable_date_footer_for_inlines.mdwn	1472	log plain
-rw-r--r--	Option_to_make_title_an_h1__63__.mdwn	1128	log plain
-rw-r--r--	Overlay_directory_for_pagetemplates.mdwn	758	log plain
-rw-r--r--	Plugins_to_provide___34__add_to__34___links_for_popular_feed_readers.mdwn	316	log plain
-rw-r--r--	Post-compilation_inclusion_of_the_sidebar.mdwn	1389	log plain
-rw-r--r--	Print_link.mdwn	3283	log plain
-rw-r--r--	RSS_fields.mdwn	1591	log plain
-rw-r--r--	RSS_links.mdwn	504	log plain
-rw-r--r--	Raw_view_link.mdwn	570	log plain
-rw-r--r--	Separate_OpenIDs_and_usernames.mdwn	2306	log plain
-rw-r--r--	Set_arbitrary_date_to_be_used_by_calendar_plugin.mdwn	7628	log plain
d---------	Set_arbitrary_date_to_be_used_by_calendar_plugin	43	log plain
-rw-r--r--	Short_wikilinks.mdwn	5263	log plain
-rw-r--r--	Shorter_feeds.mdwn	587	log plain
-rw-r--r--	Silence_monotone_warning.mdwn	698	log plain
-rw-r--r--	Suggested_location_should_be_subpage_if_siblings_exist.mdwn	1239	log plain
-rw-r--r--	Support_XML-RPC-based_blogging.mdwn	806	log plain
-rw-r--r--	Support__47__Switch_to_MultiMarkdown.mdwn	3066	log plain
-rw-r--r--	Support_preprocessing_CSS.mdwn	213	log plain
-rw-r--r--	Support_subdirectory_of_a_git_repo.mdwn	849	log plain
-rw-r--r--	Support_tab_insertion_in_textarea.mdwn	639	log plain
-rw-r--r--	Support_wildcard_inside_of_link__40____41___within_a_pagespec.mdwn	1629	log plain
-rw-r--r--	Tags_list_in_page_footer_uses_basename.mdwn	610	log plain
-rw-r--r--	Unit_tests.mdwn	460	log plain
-rw-r--r--	Untrusted_push_in_Monotone.mdwn	1577	log plain
-rw-r--r--	Updated_bug_tracking_example.mdwn	4254	log plain
-rw-r--r--	Wrapper_config_with_multiline_regexp.mdwn	1523	log plain
-rw-r--r--	__34__subscribe_to_this_page__34___checkbox_on_edit_form.mdwn	476	log plain
-rw-r--r--	__42__forward__42__ing_functionality_for_the_meta_plugin.mdwn	2881	log plain
-rw-r--r--	__47___should_point_to_top-level_index.mdwn	231	log plain
-rw-r--r--	a_navbar_based_on_page_properties.mdwn	1724	log plain
-rw-r--r--	abbreviation.mdwn	354	log plain
-rw-r--r--	ability_to_force_particular_UUIDs_on_blog_posts.mdwn	2001	log plain
-rw-r--r--	absolute_urls_in_wikilinks.mdwn	1098	log plain
-rw-r--r--	access_keys.mdwn	2475	log plain
-rw-r--r--	add_forward_age_sorting_option_to_inline.mdwn	1250	log plain
-rw-r--r--	adding_new_pages_by_using_the_web_interface.mdwn	1909	log plain
-rw-r--r--	aggregate_401_handling.mdwn	959	log plain
-rw-r--r--	aggregate_locking.mdwn	2591	log plain
-rw-r--r--	aggregate_to_internal_pages.mdwn	2711	log plain
-rw-r--r--	aggregation.mdwn	52	log plain
-rw-r--r--	allow_CGI_to_create_dynamic_pages.mdwn	286	log plain
-rw-r--r--	allow_creation_of_non-existent_pages.mdwn	651	log plain
-rw-r--r--	allow_full_post_from_the___34__add_a_new_post__34___form.mdwn	578	log plain
-rw-r--r--	allow_wiki_syntax_in_commit_messages.mdwn	1038	log plain
-rw-r--r--	anti-spam_protection.mdwn	2043	log plain
-rw-r--r--	apache_404_ErrorDocument_handler.mdwn	1064	log plain
-rw-r--r--	applydiff_plugin.mdwn	4361	log plain
-rw-r--r--	assumes_system_perl.mdwn	604	log plain
-rw-r--r--	attachments.mdwn	664	log plain
-rw-r--r--	auto-create_tag_pages_according_to_a_template.mdwn	764	log plain
-rw-r--r--	automatic_rebuilding_of_html_pages.mdwn	272	log plain
-rw-r--r--	automatic_use_of_syntax_plugin_on_source_code_files.mdwn	823	log plain
d---------	automatic_use_of_syntax_plugin_on_source_code_files	43	log plain
-rw-r--r--	avoid_thrashing.mdwn	1161	log plain
-rw-r--r--	basewiki_should_be_self_documenting.mdwn	1756	log plain
-rw-r--r--	beef_up_sidebar_to_allow_for_multiple_sidebars.mdwn	836	log plain
-rw-r--r--	block_external_links.mdwn	720	log plain
-rw-r--r--	blocking_ip_ranges.mdwn	155	log plain
-rw-r--r--	blogging.mdwn	5275	log plain
-rw-r--r--	blogpost_plugin.mdwn	5110	log plain
-rw-r--r--	blogs.mdwn	127	log plain
-rw-r--r--	brokenlinks_should_group_links_to_a_page.mdwn	1008	log plain
-rw-r--r--	bzr.mdwn	6709	log plain
-rw-r--r--	calendar_--_archive_browsing_via_a_calendar_frontend.mdwn	7128	log plain
-rw-r--r--	call_git-update-server-info_from_post-udpate_hook.mdwn	595	log plain
-rw-r--r--	canonical_feed_location.mdwn	802	log plain
-rw-r--r--	cas_authentication.mdwn	6490	log plain
-rw-r--r--	cgi_hooks_get_session_objects.mdwn	237	log plain
-rw-r--r--	clear_page_to_delete.mdwn	1739	log plain
-rw-r--r--	clickable-openid-urls-in-logs.mdwn	903	log plain
-rw-r--r--	color_plugin.mdwn	8519	log plain
-rw-r--r--	comment_by_mail.mdwn	2812	log plain
d---------	comment_by_mail	43	log plain
-rw-r--r--	conditional_text_based_on_ikiwiki_features.mdwn	6113	log plain
-rw-r--r--	conditional_underlay_files.mdwn	1516	log plain
-rw-r--r--	configurable_timezones.mdwn	297	log plain
-rw-r--r--	consistent_smileys.mdwn	1330	log plain
-rw-r--r--	copyright_based_on_pagespec.mdwn	401	log plain
-rw-r--r--	correct_published_and_updated_time_information_for_the_feeds.mdwn	4776	log plain
-rw-r--r--	ctime_on_blog_post_pages_.mdwn	484	log plain
-rw-r--r--	darcs.mdwn	18603	log plain
-rw-r--r--	datearchives-plugin.mdwn	3921	log plain
-rw-r--r--	default_content_for_new_post.mdwn	3143	log plain
-rw-r--r--	default_name_for_new_post.mdwn	375	log plain
-rw-r--r--	different_search_engine.mdwn	13566	log plain
-rw-r--r--	directive_docs.mdwn	3004	log plain
-rw-r--r--	discuss_without_login.mdwn	1058	log plain
-rw-r--r--	discussion_page_as_blog.mdwn	1915	log plain
d---------	discussion_page_as_blog / discussion	37	log plain
-rw-r--r--	done.mdwn	126	log plain
-rw-r--r--	doxygen_support.mdwn	942	log plain
-rw-r--r--	dynamic_rootpage.mdwn	2011	log plain
-rw-r--r--	else_parameter_for_map_plugin.mdwn	2185	log plain
-rw-r--r--	enable-htaccess-files.mdwn	2240	log plain
-rw-r--r--	excluding_commit_mails.mdwn	786	log plain
-rw-r--r--	fastcgi_or_modperl_installation_instructions.mdwn	629	log plain
-rw-r--r--	fileupload.mdwn	2616	log plain
d---------	fileupload	127	log plain
-rw-r--r--	filtering_content_when_inlining.mdwn	881	log plain
-rw-r--r--	firm_up_plugin_interface.mdwn	3054	log plain
-rw-r--r--	for_amazon_s3_pre-gzip-encode_safe_files.mdwn	1058	log plain
-rw-r--r--	format_escape.mdwn	11833	log plain
-rw-r--r--	fortune:_select_options_via_environment.mdwn	1344	log plain
-rw-r--r--	generic___39__do__61__goto__39___for_CGI.mdwn	503	log plain
-rw-r--r--	geotagging.mdwn	233	log plain
-rw-r--r--	git-rev-list_requires_relative_path___40__fixes_git_ctime__41__.mdwn	789	log plain
-rw-r--r--	git_attribution.mdwn	422	log plain
d---------	git_attribution	43	log plain
-rw-r--r--	git_recentchanges_should_not_show_merges.mdwn	1068	log plain
-rw-r--r--	graphviz.mdwn	1312	log plain
-rw-r--r--	hard-coded_location_for_man_pages_and_w3m_cgi_wrapper.mdwn	2854	log plain
-rw-r--r--	html.mdwn	182	log plain
-rw-r--r--	htmlvalidation.mdwn	2573	log plain
-rw-r--r--	httpauth_example.mdwn	434	log plain
d---------	httpauth_example	43	log plain
-rw-r--r--	httpauth_feature_parity_with_passwordauth.mdwn	638	log plain
-rw-r--r--	ikibot.mdwn	520	log plain
-rw-r--r--	improve_globlists.mdwn	403	log plain
-rw-r--r--	improved_parentlinks_styling.mdwn	388	log plain
-rw-r--r--	index.html_allowed.mdwn	5283	log plain
-rw-r--r--	inline:_numerical_ordering_by_title.mdwn	10354	log plain
-rw-r--r--	inline_option_for_pagespec-specific_show__61__N.mdwn	246	log plain
-rw-r--r--	integration_with_Firefox_and_Iceweasel_feed_subscription_mechanism.mdwn	804	log plain
-rw-r--r--	l10n.mdwn	3462	log plain
-rw-r--r--	language_definition_for_the_meta_plugin.mdwn	3588	log plain
-rw-r--r--	latex.mdwn	12118	log plain
d---------	latex	43	log plain
-rw-r--r--	let_inline_plugin_use_pagetemplates.mdwn	269	log plain
-rw-r--r--	limit_the_markup_formats_available_for_editing.mdwn	556	log plain
-rw-r--r--	link_map.mdwn	180	log plain
-rw-r--r--	linkify_and_preprocessor_ordering.mdwn	1096	log plain
-rw-r--r--	linktitle.mdwn	1051	log plain
-rw-r--r--	lists.mdwn	45	log plain
-rw-r--r--	location_of_external_plugins.mdwn	550	log plain
-rw-r--r--	logo.mdwn	163	log plain
-rw-r--r--	mailnotification.mdwn	2470	log plain
d---------	mailnotification	43	log plain
-rw-r--r--	manpages.mdwn	121	log plain
-rw-r--r--	mbox.mdwn	1127	log plain
-rw-r--r--	mercurial.mdwn	3560	log plain
d---------	mercurial	43	log plain
-rw-r--r--	meta_rcsid.mdwn	1850	log plain
-rw-r--r--	metadata.mdwn	566	log plain
-rw-r--r--	minor_adjustment_to_setup_documentation_for_recentchanges_feeds.mdwn	1160	log plain
-rw-r--r--	missingparents.pm.mdwn	8059	log plain
-rw-r--r--	modify_page_filename_in_plugin.mdwn	963	log plain
-rw-r--r--	more_class__61____34____34___for_css.mdwn	3403	log plain
-rw-r--r--	more_customisable_titlepage_function.mdwn	1904	log plain
-rw-r--r--	mtime.mdwn	773	log plain
-rw-r--r--	multiple_output_formats.mdwn	631	log plain
-rw-r--r--	multiple_repository_support.mdwn	598	log plain
-rw-r--r--	multiple_simultaneous_rcs.mdwn	596	log plain
d---------	multiple_simultaneous_rcs	43	log plain
-rw-r--r--	multiple_template_directories.mdwn	489	log plain
-rw-r--r--	multiple_templates.mdwn	588	log plain
-rw-r--r--	need_global_renamepage_hook.mdwn	2320	log plain
-rw-r--r--	nested_preprocessor_directives.mdwn	815	log plain
-rw-r--r--	online_configuration.mdwn	1236	log plain
-rw-r--r--	openid_user_filtering.mdwn	551	log plain
-rw-r--r--	optimisations.mdwn	523	log plain
-rw-r--r--	page_edit_disable.mdwn	2454	log plain
-rw-r--r--	pagedeletion.mdwn	113	log plain
-rw-r--r--	pageindexes.mdwn	215	log plain
-rw-r--r--	pagespec_expansions.mdwn	7171	log plain
-rw-r--r--	pagespec_relative_to_a_target.mdwn	3221	log plain
-rw-r--r--	pal_plugin.mdwn	395	log plain
-rw-r--r--	parse_debian_packages.mdwn	3204	log plain
-rw-r--r--	passwordauth:_sendmail_interface.mdwn	1993	log plain
-rw-r--r--	pastebin.mdwn	254	log plain
-rw-r--r--	pdfshare_plugin.mdwn	390	log plain
-rw-r--r--	pedigree_plugin.mdwn	9426	log plain
-rw-r--r--	pluggablerenderers.mdwn	82	log plain
-rw-r--r--	plugin.mdwn	6952	log plain
-rw-r--r--	plugin_data_storage.mdwn	4172	log plain
-rw-r--r--	plugin_dependency_calulation.mdwn	1066	log plain
-rw-r--r--	preprocessor_directive_for_proposed_changes.mdwn	2256	log plain
-rw-r--r--	preview_changes.mdwn	553	log plain
-rw-r--r--	progressbar_plugin.mdwn	5160	log plain
-rw-r--r--	provide_a_mailing_list.mdwn	2346	log plain
-rw-r--r--	provide_inline_diffs_in_recentchanges.mdwn	453	log plain
-rw-r--r--	provide_sha1_for_git_diffurl.mdwn	1061	log plain
-rw-r--r--	quieten-bzr.mdwn	1051	log plain
-rw-r--r--	rcs.mdwn	891	log plain
-rw-r--r--	rcs_updates_needed.mdwn	493	log plain
-rw-r--r--	recentchanges.mdwn	7325	log plain
-rw-r--r--	recentchanges_path.mdwn	373	log plain
-rw-r--r--	refreshing_recentchanges_page.mdwn	1040	log plain
-rw-r--r--	rel__61__nofollow_on_external_links.mdwn	335	log plain
-rw-r--r--	rel_attribute_for_links.mdwn	931	log plain
-rw-r--r--	remove_basewiki_redir_pages.mdwn	148	log plain
-rw-r--r--	replace_HTML::Template_with_Template_Toolkit.mdwn	2403	log plain
-rw-r--r--	require_CAPTCHA_to_edit.mdwn	11980	log plain
-rw-r--r--	review_mechanism.mdwn	1701	log plain
-rw-r--r--	rss_title_description.mdwn	1566	log plain
-rw-r--r--	rst_plugin_python_rewrite.mdwn	332	log plain
-rw-r--r--	search.mdwn	112	log plain
-rw-r--r--	search_terms.mdwn	299	log plain
-rw-r--r--	shortcut_link_text.mdwn	1209	log plain
-rw-r--r--	shortcut_optional_parameters.mdwn	2454	log plain
-rw-r--r--	shortcut_with_different_link_text.mdwn	4353	log plain
-rw-r--r--	shortcut_with_no_url_parameter__44___only_desc.mdwn	1163	log plain
-rw-r--r--	should_optimise_pagespecs.mdwn	3524	log plain
-rw-r--r--	should_use_a_standard_encoding_for_utf_chars_in_filenames.mdwn	2938	log plain
-rw-r--r--	sigs.mdwn	1125	log plain
d---------	sigs	43	log plain
-rw-r--r--	simple_text_parsing_or_regex_in_template_or_shortcut.mdwn	1682	log plain
-rw-r--r--	skip_option_for_inline_plugin.mdwn	258	log plain
-rw-r--r--	smileys_do_not_work_in_PreprocessorDirective_arguments.mdwn	659	log plain
-rw-r--r--	softlinks.mdwn	676	log plain
-rw-r--r--	source_link.mdwn	2819	log plain
-rw-r--r--	spell_check_plug-in.mdwn	341	log plain
-rw-r--r--	strftime.mdwn	98	log plain
-rw-r--r--	structured_page_data.mdwn	23335	log plain
d---------	structured_page_data	43	log plain
-rw-r--r--	stylesheet_suggestion_for_verbatim_content.mdwn	755	log plain
-rw-r--r--	support_creole_markup.mdwn	619	log plain
-rw-r--r--	support_for_SDF_documents.mdwn	339	log plain
-rw-r--r--	support_for_plugins_written_in_other_languages.mdwn	2195	log plain
-rw-r--r--	support_multiple_perl_libraries.mdwn	408	log plain
-rw-r--r--	supporting_comments_via_disussion_pages.mdwn	10084	log plain
-rw-r--r--	svg.mdwn	2695	log plain
-rw-r--r--	syntax_highlighting.mdwn	5998	log plain
d---------	syntax_highlighting	43	log plain
-rw-r--r--	syslog_should_show_wiki_name.mdwn	376	log plain
-rw-r--r--	table_with_header_column.mdwn	247	log plain
-rw-r--r--	tagging_with_a_publication_date.mdwn	2201	log plain
-rw-r--r--	tags.mdwn	590	log plain
-rw-r--r--	terminalclient.mdwn	478	log plain
-rw-r--r--	tidy_git__39__s_ctime_debug_output.mdwn	480	log plain
-rw-r--r--	tla.mdwn	109	log plain
-rw-r--r--	tmplvars_plugin.mdwn	1452	log plain
-rw-r--r--	toc_plugin_to_skip_one_level.mdwn	920	log plain
-rw-r--r--	toggle_initial_state.mdwn	125	log plain
-rw-r--r--	toplevel_index.mdwn	1502	log plain
-rw-r--r--	tracking_bugs_with_dependencies.mdwn	19319	log plain
-rw-r--r--	turn_edittemplate_verbosity_off_by_default.mdwn	1249	log plain
-rw-r--r--	typography_plugin_configuration.mdwn	294	log plain
-rw-r--r--	unaccent_url_instead_of_encoding.mdwn	371	log plain
-rw-r--r--	underlay.mdwn	724	log plain
-rw-r--r--	unified_temporary_file__47__directory_handling.mdwn	1114	log plain
-rw-r--r--	upgradehooks.mdwn	317	log plain
-rw-r--r--	user-subdir_mechanism_like_etc_ikiwiki_wikilist.mdwn	959	log plain
-rw-r--r--	userdir_links.mdwn	213	log plain
-rw-r--r--	using_meta_titles_for_parentlinks.html	3754	log plain
-rw-r--r--	utf8.mdwn	495	log plain
-rw-r--r--	varioki_--_add_template_variables___40__with_closures_for_values__41___in_ikiwiki.setup.mdwn	11072	log plain
-rw-r--r--	want_to_avoid_ikiwiki_using_http_or_https_in_urls_to_allow_serving_both.mdwn	2238	log plain
-rw-r--r--	wanted_pages_plugin.mdwn	265	log plain
-rw-r--r--	web-based_image_editing.mdwn	234	log plain
-rw-r--r--	web_gui_for_managing_tags.mdwn	981	log plain
-rw-r--r--	wiki-formatted_comments_with_syntax_plugin.mdwn	238	log plain
-rw-r--r--	wikilink_titles.mdwn	236	log plain
-rw-r--r--	wikilinkfeatures.mdwn	140	log plain
-rw-r--r--	wikitrails.mdwn	2579	log plain
d---------	wikitrails	43	log plain
-rw-r--r--	wikiwyg.mdwn	2644	log plain
d---------	wikiwyg	43	log plain