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PmWiki /
FAQThis page will attempt to summarize some of the more commonly asked questions. The answers are on the corresponding pages (see link). If you have a question which isn't answered here, you can leave your question on the Questions page or search for documentation using the search facility. More documentation can be found on the documentation index page. IntroductionWhat is PmWiki? PmWiki is a wiki-based system for collaborative creation and maintenance of websites. See PmWiki. What can I do with it? PmWiki pages look and act like normal web pages, except they have an "Edit" link that makes it easy to modify existing pages and add new pages into the website, using basic editing rules. You do not need to know or use any HTML or CSS. Page editing can be left open to the public or restricted to small groups of authors. Feel free to experiment with the Text Formatting Rules in the "Wiki sandbox". The website you're currently viewing is built and maintained with PmWiki. What are the requirements? See the PmWiki requirements page. Where can I find documentation? See the documentation index page. How can I download PmWiki? See the download page. How do I install PmWiki? Instructions for installation are on the installation page. How do I get help with PmWiki? See Mailing lists and How to get assistance. How do you pronounce "Michaud"? "Michaud" is french pronounced "mee show", the trailing D is silent. Basic PmWiki editing rulesI'm new to PmWiki, where can I find some basic help for getting started? The Basic Editing page is a good start. From there, you can just follow the navigational links at the top or the bottom of the page (they are called Wiki Trails) to the next pages, or to the Documentation Index page, which provides an outline style index of essential documentation pages, organized from basic to advanced. How do I include special characters such as Copyright (©) and Trademark (® or ™) on my wiki pages? See special characters on how to insert special characters that don't appear on your keyboard. How can I preserve line-breaks from the source text? PmWiki normally treats consecutive lines of text as being a paragraph, and merges and wraps lines together on output. This is consistent with most other wiki packages. An author can use the Can I just enter HTML directly? By default (and by design), PmWiki does not support the use of HTML elements in the editable markup for wiki pages. There are a number of reasons for this described in the PmWiki Philosophy and Audiences. Enabling HTML markup within wiki pages in a collaborative environment may exclude some potential authors from being able to edit pages, and pose a number of display and security issues. However, a site administrator can use the Cookbook:Enable HTML recipe to enable the use of HTML markup directly in pages. Where can I find more documentation? See the documentation index and the markup master index pages. Creating New Pages
How do I create a new page? Typing Why do some new pages have a title with spaces like "Creating New Pages" and others end up with a WikiWord-like title like "CreatingNewPages"? The default page title is simply the name of page, which is normally stored as "CreatingNewPages." However, you can override a page's title by using the LinksHow do I create a link that will open as a new window? Use the
How do I create a link that will open a new window, and configure that new window? This requires javascript. See Cookbook:PopupWindow. How do I place a mailing address in a page? Use the
The markup See also Cookbook:DeObMail for information on protecting email addresses from spammers. How can I enable links to other protocols, such as nntp:, ssh:, xmpp:, etc? How do I make a WikiWord link to an external page instead of a WikiPage? Use link markup. There are two formats: [[https://example.com/ | WikiWord]] [[WikiWord -> https://example.com/]] How do I find all of the pages that link to another page (i.e., backlinks)? In the wiki search form, use Use the (:pagelist link=SomePage list=all:) -- show all links to SomePage
(:pagelist link={$FullName} list=all:) -- show all links to the current page
Note that (with a few exceptions) includes, conditionals, pagelists, searchresults, wikitrails, and redirects are not evaluated for Wikilinks, and so any links they put on the page will not be found as backlinks. All other directives and markup, for example links brought to the page by (:pmform:), will be found. What link schemes does PmWiki support? How do I open external links in a new window or mark them with an icon? How can I use an image as a link? Use [[Page| Attach:image.jpg ]] or [[ https://site | https://site/image.jpg ]] See Images#links Why my browser does not follow local file:// links? For security reasons, most browsers will only enable file:// links if the page containing the link is itself on the local drive. In other words, most browsers do not allow links to file:// from pages that were fetched using https:// such as in a PmWiki site. See also Cookbook:DirList for a workaround. How links to the first existed page ? for example (:if exists Group1.Page:) [[Group1.Page|Page]] (:elseif exists Group2.Page:) [[Group2.Page|Page]] (:ifend:) How do I make Reference links also show up on the bottom of the page like Wikipedia? Or, how do I list all links on a page? See Cookbook:Footnotes. ImagesWhy are some external images correctly embedded, and others aren't? If the current page is on a secure URL with the "https://" protocol, some browsers will refuse to load pictures from insecure URLs (the other way around is allowed). Also, some webmasters configure their servers to disallow hotlinking. Is it possible to link an image on PmWiki without using a fully qualified URL? Yes. For images that are attachments, the general format is Can I attach a client image file on PmWiki? Yes, see Uploads . How can I include a page from another group that contains an attached image? Include the page in the normal way, ie Why, if I put an image with rframe or rfloat and immediatly after that I open a new page section with ! the section title row is below the image instead of on the left side? Because the CSS for headings such as ! contains an element clear:both which forces this behaviour. Redefine the CSS locally if you want to stop this happening, but I think the bottom border (that underlines the heading) would need further re-definition. I just use bolding for the title, and 4 dashes below Unlike the lframe and rframe directives, cframe does not fully honour the width setting. While the frame itself resizes to match the request, the enclosed image does not, and retains its original width. Effect is the same in IE and Fx. I've added an example beneath the standard example above. Is it possible to disallow all images? I already disabled uploads but I also want to disallow external images from being shown on my wiki pages. Yes, add to
DisableMarkup('img');
$ImgExtPattern = "$^";
How can I make it so that when I place an image in a page, the block of text it is in is a If you just want it to happen for a single image (instead of all), then
try putting [==] https://www.pmwiki.org/pub/pmwiki/pmwiki-32.gif
Having Is there any way to use relative paths for images? See Cookbook:RelativeLinks and Is there a way to attach a BMP and have it display rather than link? Add to How do I add an image type to You can append the extensions to the Is there a way to have a table to the left or right of an image? Yes, see TableAndImage. UploadsWhen I upload a file, how do I make the link look like "file.doc" instead of "Attach:file.doc Δ"? Use parentheses, as in Why can't I upload files of size more than 50kB to my newly installed PmWiki? Out of the box PmWiki limits the size of files to be uploaded to 50kB. Add to your config.php to increase limit to 1MB (for example). See UploadsAdmin for how to further customize limits. Note that both PHP and webservers also place their own limits on the size of uploaded files.
Why does my upload exit unexpectedly with "Incomplete file received"? You may be running out of space in a 'scratch' area, used either by PmWiki or by PHP. On *nix, check that you have sufficient free space in /tmp and /var/tmp. How do I make it so that the upload link still allows one to make another upload (if someone wants to replace the old version of a file with a newer version, for example). Currently you only get the upload link when there is no file in the upload directory. Use the Attach page action, and click on the delta symbol (Δ) shown against each of files listed. If you can't see the attach action either uploads are not enabled, you are not authorized to upload, or the attach action has been commented out or is missing. See also available actions. How do I hide the " See Cookbook:AttachLinks, note that this does not currently work for How can I link a file that have a 4-letter file extension such like 'abc.pptx'? How can I prevent others from using the url's of my images on their site See Cookbook:Prevent Hotlinking How can I display a file that lacks a correct extension? (e.g. you are using Cookbook:LinkIcons) A file can be displayed by addition of a "false" extension to the URL. For example, if the url is TablesHow do I create a basic table? Tables are created via use of the double pipe character:
How do I create cell headers? Header cells can be created by placing ! as the first character of a cell. Note that these are table headers, not headings, so it doesn't extend to !!, !!!, etc.
How do I obtain a table with thin lines and more distance to the content? "Thin lines" is tricky and browser dependent, but the following works for Firefox and IE (Nov. 2009):
How do I create an advanced table? See table directives My tables are by default centered. When I try to use '||align=left' they don't align left as expected. Use ||style="margin-left:0px;" instead. How can I specify the width of columns? You can define the widths via custom styles, see Cookbook:FormattingTables and And add in pub/css/local.css :
table.column td.col1 { width: 120px; }
table.column td.col3 { width: 40px; }
How can I display a double pipe "||" in cell text using basic table markup? Escape it with How do I apply styles to the elements of the table, like an ID to the table row, or a class/style to the TD? See $WikiStyleApply. Alternately, use table directives, which allow specifying styling either directly (style="...") or by a class="..." attribute for CSS. Is there a simple way to change the table defaults? I prefer a border and I'm tired of adding it to every table. You can set Table directivesCan I define table headers using the table directive markup? Yes, use Is it possible to do nested tables? Yes, if you nest simple tables inside advanced tables. See also Cookbook:AdvancedTableDirectives. Is it possible to add background images to tables and table cells? Yes, see Cookbook:BackgroundImages. Is it possible to apply styles to the elements of the table, like an ID to the table row, or a class/style to the TD? Yes, see $WikiStyleApply. Is it possible to automatically generate columns or rows in tables, i.e. without having to do a lot of counting? Yes, this is possible with the Cookbook:CreateColumns recipe - it allows you to specify a certain number of columns, and/or to specify a certain number of items per column. Plus, someone has provided some similar markup on the TableDirectives-Talk page. Is it possible to use table captions in table directives similar to simple tables? Tried Yes, this is possible with the Cookbook:AdvancedTableDirectives recipe - There you will find a AccessKeysHow can I change the keyboard shortcuts for editing and saving a page? PageDirectives Can I get Use Is there any way to prevent the "redirected from" message from showing at the top of the target page when I use From version 2.2.1 on, set in Is there any method for redirecting to the equivalent page in a different group, i.e. from BadGroup/thispage => GoodGroup/thispage using similar markup to (:redirect Goodgroup.{Name}:)?
(:redirect Goodgroup.{$Name}:) works if you want to put it in one page.
If you want it to work for the entire group, put (:redirect Goodgroup.{*$Name}:) into Badgroup.GroupHeader - however, that only works with pages that really exist in Goodgroup; if you visit a page in Badgroup without a corresponding page of the same name in Goodgroup, instead of being redirected to a nonexistant page, you get the redirect Directive at the top of the page.
With (:if exists Goodgroup.{*$Name}:)(:redirect Goodgroup.{*$Name}:)(:ifend:) in Badgroup.GroupHeader you get redirected to Goodgroup.Name if it exists, otherwise you get Badgroup.Name without the bit of code displayed.
How can a wiki enable linebreaks by default, i.e. without having the directive Add to IncludeOtherPagesWhat's the maximum number of includes that can exist in a page? My site seems to stop including after 48 includes. ( $MaxIncludes)
By default, PmWiki places a limit of 50 include directives for any given page, to prevent runaway infinite loops and other situations that might eat up server resources. (Two of these are GroupHeader and GroupFooter.) The limit can be modified by the wiki administrator via the Is there any way to include from a group of pages without specifying by exact name, e.g. between Anchor X and Y from all pages named IFClass-* ? This can be achieved using page lists. There appears to be a viewing issue when the included page contains the (:title:) directive. In a default installation, the last title in the page overrides previous ones so you can place your (:title :) directive at the bottom of the page, after any includes. See also How to test to see if the page is part of another page?
Is there any way to include (chapters of) pages which are protected (authuser.php)? You can achieve this the other way around: have the public sections in a public page (passwdread=@nopass or @_site_read) and include those into both the protected page, and the public page. Note that it is strongly recommended to NOT hide sensitive content inside a conditional in an unprotected page. InterMapAre InterMap names case sensitive? Yes, thus How can I achieve a localmap.txt mapping with the effect of Use the following: Pics: /somepathto/pics/
How can I define an InterMap in PHP? Use the following:
$LinkFunctions['PmWikiHome:'] = 'LinkIMap';
$IMap['PmWikiHome:'] = 'https://pmwiki.org/wiki/$1';
How can I define an InterMap link that lets me refer to files at the server "root"? From the page Create an InterMap link like so:
Root / Then your relative link can be:
Root:commoninfo/infoaboutu.php Or, you can use the predefined "Path:" prefix, as in Page specific variablesIs there a variable like $LastModified, but which shows me the creation time? No, but you can create one in config.php. For instance:
If you like the same format that you define in config.php with $TimeFmt use
$FmtPV['$Created'] = "[[PmWiki/Functions#PSFT|PSFT]](\$GLOBALS['TimeFmt'], \$page['ctime'])";
How can I test if a variable is set and/or not empty? Use Categories: PmWiki Developer WikiGroupFAQHow can I get rid of the 'Main' group in urls for pages pointing to Main? How can I limit the creation of new groups? See Cookbook:Limit Wiki Groups. Why doesn't [[St. Giles and St. James]] work as a link? (It doesn't display anything.) Because it contains periods, and destroys PmWiki's file structure, which saves pages as Group.PageName. Adding those periods disrupts this format. Links may only contain words. If you need a link precisely as shown, the page must be named eg StGilesAndStJames then you can use the How can I delete a wiki group? Normally you can't, as this requires an admin with server-side access to delete the file that makes up the group's How can I delete a wiki group's Normally you can't, as this requires an admin with server-side access to delete a file. But there is an optional method of making it possible to delete Can I delete a wiki group inside Yes, if you delete all files named How can I list all pages in a WikiGroup? In a wiki page use GroupHeaders and GroupFootersHow do I set the same header or footer for all pages/groups? The header and footer for each page are controlled by the variables
### If you use Site.SiteHeader and Group.GroupHeader
$GroupHeaderFmt = '(:include {$SiteGroup}.SiteHeader'
. ' basepage={*$FullName}:)(:nl:)' . $GroupHeaderFmt;
### If you use Site.SiteHeader instead of Group.GroupHeader
$GroupHeaderFmt = '(:include {$SiteGroup}.SiteHeader'
. ' basepage={*$FullName}:)(:nl:)';
### If you use Site.SiteFooter and Group.GroupFooter
$GroupFooterFmt .= '(:nl:)(:include {$SiteGroup}.SiteFooter'
. ' basepage={*$FullName}:)';
### If you use Site.SiteFooter instead of Group.GroupFooter
$GroupFooterFmt = '(:nl:)(:include {$SiteGroup}.SiteFooter'
. ' basepage={*$FullName}:)';
Note that single quotes must be used in the lines above. See also the Cookbook:AllGroupHeader recipe. Instead of using an additional page, you could set any wiki text in $GroupHeaderFmt .= "Global message here.";
WikiTrails
What's the difference between a PageList and a WikiTrail? The pagelist directive dynamically generates a list of pages. There are many ways to generate the list, including using a WikiTrail as the source. PageHistoryIs there a way to remove page history from page files? 1. Administrators can clean page histories using the Cookbook:ExpireDiff recipe. 2. Administrators with FTP file access can download individual pages from the 3. Edit the page. Select all the contents of the edit text area and cut them to the clipboard. Enter How can I restrict viewing the page history In the $HandleAuth['diff'] = 'edit';
In case of this restriction is set up on a farm, and you want to allow it on a particular wiki, set in your $HandleAuth['diff'] = 'read';
PasswordsHow can I password protect all the pages and groups on my site? Do I really have to set passwords page by page, or group by group? Administrators can set passwords for the entire site by editing the
For more information about the password options that are available only to administrators, see PasswordsAdmin. I get http error 500 "Internal Server Error" when I try to log in. What's wrong? This can happen if the encrypted passwords are not created on the web server that hosts the PmWiki. Solution: Create the passwords on the system with the oldest PHP version and use them on all other systems. How can I create private groups for users, so that each user can edit pages in their group, but no one else (other than the admin) can? Modify the edit attribute for each group to id:username, e.g. set the edit attribute in JaneDoe.GroupAttributes to id:JaneDoe. There is a more automatic solution, but it's probably not a good idea for most wikis. Administrators can use the AuthUser recipe and add the following few lines to their local/config.php file to set this up: $group = FmtPageName('$Group', $pagename);
$DefaultPasswords['edit'] = 'id:'.$group;
include_once("$FarmD/scripts/authuser.php");
This automatically gives edit rights to a group to every user who has the same user name as the group name. Unfortunately it also gives edit rights to such a user who is visiting a same-named group not just for pages in that group, but for any page on the wiki that relies on the site's default edit password. This can create security holes. How come when I switch to another wiki within a farm, I keep my same authorization? PmWiki uses PHP sessions to keep track of authentication/authorization information, and by default PHP sets things up such that all interactions with the same server are considered part of the same session. session_name('XYZSESSID');
You can pick any alphanumeric name for XYZSESSID; for example, for the cs559-1 wiki you might choose session_name('CS559SESSID');
This will keep the two wikis' session cookies independent of each other. Is it possible to test the password level for display and/or if condition? Example: * (:if WriterPassword:) (display Edit link) (:ifend:) You can use Can I use You can, but usually that's not secure. The recommended strategy is to put secrets in a separate page and restrict all read-related¹ access permissions to those users who are allowed to read the secrets. To display the secrets in another page, you can include (parts of) the secrets page: Users with read access to the secrets will readily see them, whereas other users see nothing or (at your choosing) some other text, e.g. a login link. ¹ Currently (version 2.2.99), these are: read (would allow include), edit (would show the source), attr (would allow to obtain read/edit), diff (would allow viewing any change), source (allows raw source display)
The reason why Conditional Markup isn't suitable for access control is that it only applies for rendering wikitext as a web page, and that's just one of many ways to access a page's text.
In order to rely on Conditional Markup for protection of secrets, you'd have to restrict all access methods that can circumvent it.
To do so, you'd need to keep track of all methods available.
In a default installation of PmWiki, some of the easy methods include: Editing a page, viewing its edit history, its source, or including fragments of it into the edit preview of another page. (Preview: To avoid traces in DeletingPagesHow is a Wiki Group deleted? An admin can remove the group pages from Fully deleting a group via the wiki isn't possible, since a delete counts as an "update" which causes the Recent Changes? page to be re-created.
It is possible to modify the site's configuration to allow deletion of the group's How is a Category deleted? To delete a category, delete all the PmWiki InstallationShould I rename pmwiki.php to index.php? Renaming pmwiki.php is not recommended. Instead, create an index.php file that contains this single line <?php include_once('pmwiki.php');
How do I make pmwiki.php the default page for a website? Create an index.php file that runs PmWiki from a subdirectory (pmwiki/ for example) and place it in the site's web document root (the main directory for the website). <?php chdir('pmwiki'); include_once('pmwiki.php');
Note: You will also need to explicitly set the How do I enable "Clean URLs" that are shorter and look like paths to my wiki pages? Why does pmwiki.org appear to have a directory structure rather than "?n=pagename" in URLs? See Cookbook:CleanUrls. How can I run PmWiki on a standalone (offline, portable) machine ? UpgradesHow can I determine what version of PmWiki I'm running now? See version - Determining and displaying the current version of PmWiki (pmwiki-2.3.32). How can I test a new version of PmWiki on my wiki without changing the prior version used by visitors? The easy way to do this is to install the new version in a separate
directory, and for the new version set (in
$WikiLibDirs = array(&$WikiDir,
new PageStore('/path/to/existing/wiki.d/{$FullName}'),
new PageStore('wikilib.d/{$FullName}'));
This lets you test the new version using existing page content without impacting the existing site or risking modification of the pages. (Of course, any recipes or local customizations have to be installed in the new version as well.) Then, once you're comfortable that the new version seems to work as well as the old, it's safe to upgrade the old version (and one knows of any configuration or page changes that need to be made). Uploads AdministrationHow do I disable uploading of a certain type of file? Here's an example of what to add to your local/config.php file to disable uploading of .zip files, or of files with no extension: $UploadExtSize['zip'] = 0; # Disallow uploading .zip files $UploadExtSize[''] = 0; # Disallow files with no extension How do I attach uploads to individual pages or the entire site, instead of organizing them by wiki group? Use the $UploadPrefixFmt = '/$FullName'; # per-page, in Group.Name directories $UploadPrefixFmt = '/$Group/$Name'; # per-page, in Group directories with Name subdirectories $UploadPrefixFmt = ''; # site-wide For Units are in bytes. $UploadDirQuota = 100*1024; # limit uploads to 100KiB $UploadDirQuota = 1000*1024; # limit uploads to 1000KiB $UploadDirQuota = 1024*1024; # limit uploads to 1MiB $UploadDirQuota = 25*1024*1024; # limit uploads to 25MiB $UploadDirQuota = 2*1024*1024*1024; # limit uploads to 2GiB Is there a way to allow file names with Unicode or additional characters? Yes, see Where is the list of attachments stored? It is generated on the fly by the Downloading binary files such as pictures or ZIP archives with Some recipe or local configuration may output something before the file. This may happen if you have PHP files with a closing "?>" marker at the end, and some text or white space after it. It is recommended to remove these closing markers from your local and cookbook files. SecurityHow do I report a possible security vulnerability of PmWiki? Pm wrote about this in a post to pmwiki-users from September 2006. In a nutshell he differentiates two cases:
See his post mentioned above for details and rationals. What about the botnet security advisory at https://isc.sans.edu/diary/Reports+of+Bots+exploiting+pmwiki+and+tikiwiki/1672? Sites that are running with PHP's register_globals setting set to "On" and versions of PmWiki prior to 2.1.21 may be vulnerable to a botnet exploit that is taking advantage of a bug in PHP. The vulnerability can be closed by turning register_globals off, upgrading to PmWiki 2.1.21 or later, or upgrading to PHP versions 4.4.3 or 5.1.4. Wiki Vandalism and Spam
How do I stop pages being deleted, eg password protect a page from deletion? Use Cookbook:DeleteAction and password protect the page deletion action by adding or How do I stop pages being replaced with an empty (all spaces) page? Add how do I stop pages being completely replaced by an inane comment such as excellent site, great information, where the content cannot be blocked? Try using the newer automatic blocklists that pull information and IP addresses about known wiki defacers. (OR) Try using Cookbook:Captchas or Cookbook:Captcha (note these are different). (OR) Set an edit password, but make it publicly available on the Site.AuthForm template. How do I password protect the creation of new groups? See Cookbook:Limit Wiki Groups How do I password protect the creation of new pages? See Cookbook:Limit new pages in Wiki Groups How do I take a whitelist approach where users from known or trusted IP addresses can edit, and others require a password? Put these lines to
## Allow passwordless editing from own turf, pass for others.
if ($action=='edit'
&& !preg_match("/^90\\.68\\./", $_SERVER['REMOTE_ADDR']) )
{ $DefaultPasswords['edit'] = pmcrypt('foobar'); }
Replace For a single IP, you may use
if($_SERVER['REMOTE_ADDR'] == '127.0.0.1') { # your IP address here
$_POST['authpw'] = 'xxx'; # the admin password
}
Please note the security issues: this means that you have your admin passwords in clear in See also Cookbook:AuthDNS & Cookbook:PersistentLogin How do I password protect page actions? See Passwords for setting in or How do I moderate all postings? Enable PmWiki.Drafts
How do I make a read only wiki? In How do I restrict access to uploaded attachments? See
How do I hide the IP addresses in the "diff" pages? If the user fills an author name, the IP address is not displayed. To require an author name, set in The IP address can also be seen in a tooltip title when the mouse cursor is over the author name. To disable the tooltip, set in $DiffStartFmt = "<div class='diffbox'><div class='difftime'><a name='diff\$DiffGMT' href='#diff\$DiffGMT'>\$DiffTime</a> \$[by] <span class='diffauthor'>\$DiffAuthor</span> - \$DiffChangeSum</div>"; How do I stop some Apache installations executing a file which has ".php", ".pl" or ".cgi" anywhere in the filename Use How do I stop random people from viewing the ?action=source (wiki markup) of my pages? I have See How do I set a global password to resist spambots, and informed humans of the password? CustomMarkupHow can I embed JavaScript into a page's output? There are several ways to do this. The Cookbook:JavaScript recipe describes a simple means for embedding static JavaScript into web pages using custom markup. For editing JavaScript directly in wiki pages (which can pose various security risks), see the JavaScript-Editable recipe. For JavaScript that is to appear in headers or footers of pages, the skin template can be modified directly, or <script> statements can be inserted using the How would I create a markup ( Add the following section of code to your
SDV($HideDiscussion, 0); #define var name
Markup('hideDiscussion', '<{$var}',
'/\\(:nodiscussion:\\)/', 'setHideDiscussion');
function setHideDiscussion() {
global $HideDiscussion;
$HideDiscussion = true;
}
This will enable the It appears that (.*?) does not match newlines in these functions, making the above example inoperable if the text to be wrapped in <em> contains new lines. If you include the "s" modifier on the regular expression then the dot (.) will match newlines. Thus your regular expression will be "/STUFF(.*?)/s". That s at the very end is what you are looking for. If you start getting into multi-line regexes you may be forced to look at the m option as well - let's anchors (^ and $) match not begin/end of strings but also begin/end of lines (i.e., right before/after a newline). Also make sure your markup is executed during the fulltext phase. How can the text returned by my markup function be re-processed by the markup engine? If the result of your markup contains more markup that should be processed, you have two options. First is to select a "when" argument that is processed earlier than the markup in your result. For example, if your markup may return [[links]], your "when" argument could be How do I get started writing recipes and creating my own custom markup? (alternate) Introduction to custom markup for Beginners How do I make a rule that runs once at the end of all other rule processing? Use this statement instead of the usual
Category: Markup CustomWikiStylesI tried this but background didn't work, though border and float worked? $WikiStyle['vMenu']['background']='#ffffcc' ; $WikiStyle['vMenu']['float']='left' ; $WikiStyle['vMenu']['border']='1px dotted red' ; Try using How would I set an image to the left of a paragraph in a WikiStyle? I'd like to provide an icon for paragraphs that are notes, important, warnings, etc. See WikiStylesPlus and Callout. How can I remove underlining from a link, but make it underlined blue when the mouse hovers? Put in .noul a {text-decoration: none;}
.noul a:hover {text-decoration: underline; color: blue;}
Then use this markup: Internationalizations If my wiki is internationalized by Use If my wiki is in English and I want just one page, or group, in Spanish do I say Yes, that is usually the best method. If you were doing this with many scattered pages, or with several languages, you might find it easier to maintain if you load the translations all in
XLPage('es','PmWikiEs.XLPage');
XLPage('fr','PmWikiFr.XLPage');
XLPage('ru','PmWikiRu.XLPage');
$XLLangs = array('en');
Then in each group or page configuration file, you'd just use What does the first parameter of this function stand for? How can it be used? The XLPage mechanism allows multiple sets of translations to be loaded, and the first parameter is used to distinguish them. For example, suppose I want to have translations for both normal French and "Canadian" French. Rather than maintain two entirely separate sets of pages, I could do:
XLPage('fr-ca', 'PmWikiFrCa.XLPage');
XLPage('fr', 'PmWikiFr.XLPage');
PmWikiFr.XLPage would contain all of the standard French translations, while PmWikiFrCA.XLPage would only need to contain "Canada-specific" translations -- i.e., those that are different from the ones in the French page. The first parameter distinguishes the two sets of translations.
In addition, a and PmWiki will use only the 'fr' and 'en' translations (in that order), no matter how many translations have been loaded with XLPage(). How can I add a translation for an individual string in a PHP file? Use the XLSDV() function to provide a translation for a specific (English) string. For instance, with this in XLSDV('nl', array('my English expression'=>'mijn Nederlandse uitdrukking'));
any instance of the variable expression If you need to get a translation in a PHP file, use the $local_string = XL("my English expression");
But beware: LocalCustomizations There's no " The " Can I change the default page something other than Yes, just set the $DefaultPage = 'ABC.StartPage';
Note the recommendations in How do I get the group / page name in a local configuration file (e.g. Use the following markup in pmwiki-2.1.beta21 or newer: ## Get the group and page name $pagename = ResolvePageName($pagename); $page = PageVar($pagename, '$FullName'); $group = PageVar($pagename, '$Group'); $name = PageVar($pagename, '$Name'); Note the importance of the order of customizations in If you need the verbatim group and page name (from the request) early in
according to this posting Can I remove items from the wikilib.d folder on my site? The files named Site.* and SiteAdmin.* contain parts of the interface and the configuration and they should not be removed. The other files named PmWiki* contain the documentation and could be removed. How do I customize my own 404 error page for non-existent pages? To change the text of the message, try editing the Site.PageNotFound page. Is the order of customizations in config.php important? Are there certain things that should come before or after others in that file? Yes, see Order of the commands in I have an online hosted wiki, and a local copy on my home computer. How can I differentiate in config.php whether I'm online or on the local computer? So that I don't have to maintain the config.php twice. You can try something like the following:
if($_SERVER['SERVER_ADDR'] == '127.0.0.1') {
# Home wiki
}
else {
# Online wiki
}
You can add The $_SERVER variable will have different values on the different servers, notably 'SERVER_ADDR' or 'SERVER_NAME'. You can configure the different wikis based on the different values. GroupCustomizationsHow can I apply CSS styles to a particular group or page? Simply create a Why shouldn't passwords be set in group (or page) customization files? Why shouldn't group or page passwords be set in The reason for this advice is that per-group customization files are only loaded for the current page. So, if
and because the The same is true for page customization files. Isn't that processing order strange? Why not load per page configuration last (that is after global configuration an per group configuration)? Many times what we want to do is to enable a certain capability for a group of pages, but disable it on a specific page, as if it was never enabled. If the per-group config file is processed first, then it becomes very difficult/tedious for the per-page one to "undo" the effects of the per-group page. So, we load the per-page file before the per-group. If a per-page customization wants the per-group customizations to be performed first, it can use the techniques given above (using SkinsHow do I change the Wiki's default name in the upper left corner of the Main Page? Put the following $WikiTitle = 'My Wiki Site';
The How can I embed PmWiki pages inside a web page? Source them through a PHP page, or place them in a frame. How do I change the font or background color of the hints block on the Edit Page? Add a CSS style to SkinTemplatesHow do I customize the CSS styling of my PmWiki layout? See Skins for how to change the default PmWiki skin. See also Skins?, where you will find pre-made templates you can use to customize the appearance of your site. You can also create a file called $HTMLStylesFmt[] = '.foo { color:blue; }';
Where can the mentioned "translation table" be found for adding translated phrases? Is it possible to have the edit form in full page width, with no sidebar? If the sidebar is marked with Can I easily hide the Home Page title from the homepage? Yes, you can use in the wiki page either Is it possible to hide the Search-Bar in the default PmWiki Skin? Yes, please see Cookbook:HideSearchBar. WebFeedsHow do I include text from the page (whole page, or first X characters) in the feed body? (note: markup NOT digested) function MarkupExcerpt($pagename) {
$page = RetrieveAuthPage($pagename, 'read', false);
return substr(@$page['text'], 0, 200);
}
$FmtPV['$MarkupExcerpt'] = 'MarkupExcerpt($pn)';
$FeedFmt['rss']['item']['description'] = '$MarkupExcerpt';
Does this mean if I want to include the time in the rss title and "summary" to rss body I call $FeedFmt['rss']['item']['description'] = '$LastSummary';
$FeedFmt['rss']['item']['title'] = '{$Group} / {$Title} @ $ItemISOTime';
From mailing list Feb 13,2007, a response by Pm: Yes
How can I use the RSS <enclosure> tag for podcasting? For podcasting of mp3 files, simply attach an mp3 file to the page with the same name as the page (i.e., for a page named Podcast.Episode4, one would attach to that page a file named "Episode4.mp3"). The file is automatically picked up by ?action=rss and used as an enclosure. The set of potential enclosures is given by the $RSSEnclosureFmt array, thus $RSSEnclosureFmt = array('{$Name}.mp3', '{$Name}.wma', '{$Name}.ogg');
allows podcasting in mp3, wma, and ogg formats. How to add "summary" to the title in a rss feed (ie. with Add this line in your $FeedFmt['rss']['item']['title'] = '{$Group} / {$Title} : $LastModifiedSummary';
How to add "description" to the title in an rss feed, and summary to the body? Add these lines to your $FeedFmt['rss']['item']['title'] = '{$Group} / {$Title} : {$Description}';
$FeedFmt['rss']['item']['description'] = '$LastModifiedSummary';
NOTES:
Some of my password-protected pages aren't appearing in the feed... how do I work around this? From a similar question on the newsgroup, Pm's reply: The last time I checked, RSS and other syndication protocols didn't really have a well-established interface or mechanism for performing access control (i.e., authentication). As far as I know this is still the case. PmWiki's WebFeeds capability is built on top of pagelists, so it
could simply be that the The "downside" to setting You could also set if ($action == 'rss') $EnablePageListProtect = 0;
This limits the ability to see the protected pages to RSS feeds; normal pagelists and searches wouldn't see them. Lastly, it's also possible to configure the webfeeds to obtain the authentication information from the url directly, as in: .../Site/AllRecentChanges?action=rss&authpw=secret The big downside to this is that the cleartext password will end up traveling across the net with every RSS request, and may end up being recorded in Apache's access logs. How to add feed image? Add the following to local/config.php (this example is for $FeedFmt['rss']['feed']['image'] = " <title>Logo title</title> <link>https://example.com/</link> <url>https://example.com/images/logo.gif</url> <width>120</width> <height>60</height>"; Do not forget NOT to start with a '<' as there would be no <image> tag around this... See here.
How do I insert RSS news feeds into PmWiki pages? How can I specify default feed options in a configuration file instead of always placing them in the url? For example, if you want
if ($action == 'rss')
SDVA($_REQUEST, array(
'group' => 'News',
'order' => '-time',
'count' => 10));
Are there ways to let people easily subscribe to a feed? On some browsers (Mozilla Firefox), the visitor can see an orange RSS icon in the address bar, and subscribe to the feed by clicking on it. To enable the RSS icon, add this to config.php : $HTMLHeaderFmt['feedlinks'] = '<link rel="alternate" type="application/rss+xml" title="$WikiTitle" href="$ScriptUrl?n=Site.AllRecentChanges&action=rss" /> <link rel="alternate" type="application/atom+xml" title="$WikiTitle" href="$ScriptUrl?n=Site.AllRecentChanges&action=atom" />'; You can also add such a link, for example in your SideBar, Can I create an RSS feed for individual page histories? See Cookbook:PageFeed. How do I create a custom FeedPage similar to RecentChanges or AllRecentChanges, but with only certain groups or pages recorded? See Cookbook:CustomRecentChanges. In a nutshell, you'll declare a
if (PageVar($pagename, '$Group')!='ForbiddenGroup') {
$RecentChangesFmt['Site.MyFeedPage'] =
'* [[{$FullName}]] . . . $CurrentTime $[by] $AuthorLink: [=$ChangeSummary=]';
}
How can I update my RSS feed to show every edit for pages on that feed, not just new pages added to the feed? Add unique guid links for each edit to your to config.php file (see PITS entry):
$FeedFmt['rss']['item']['guid'] = '{$PageUrl}?guid=$ItemISOTime';
Alternatively, you can create the option for edit monitoring by adding a qualifier for RSS links. This allows the user to choose between default new pages RSS feeds and new edits RSS feeds (pmwiki.org has this option enabled).
## For new pages updates: https://example.com/wiki/HomePage?action=rss
## For edits updates: https://example.com/wiki/HomePage?action=rss&edits=1
if(@$_REQUEST['edits'] && $action == 'rss')
$FeedFmt['rss']['item']['guid'] = '{$PageUrl}?guid=$ItemISOTime';
TroubleshootingHow to track errors and know if they come from the PmWiki core or from a local configuration or addon/recipe? The PHP programming language has recently deprecated or removed a number of functions that were heavily used in the past by PmWiki and many addons/recipes/skins. The PmWiki core no longer relies on these functions but some addons still do -- here is how to track these. The PmWiki architecture allows addons (recipes, skins) and local configuration to register actions to be performed by PmWiki at a later point of the process. That's why the PHP warning may indicate a line in It is recommended to get the latest versions of PmWiki and of all your addons -- known bugs would have been fixed. This assumes the errors are fixed in the latest versions. (1) First disable or comment out all addons and local configuration ( (2) Enable one local configuration or one addon and test your wiki to see if the error appears. (3) If the error doesn't appear, the problem is likely elsewhere. If you have more addons to enable, go back to (2). (4) If the error appears, it was likely caused by the last configuration or addon that you enabled. Search the documentation and the cookbook for more recent versions, or contact the addon maintainer, or leave a message on the talk page. If that doesn't work, contact us at our issue tracking system. Developers can find documentation on how to update old addons at CustomMarkup and Functions. (5) Disable again the faulty addon and if you have more addons to enable, go back to (2). PmWiki has a friendly and reactive community and we may be able to quickly provide fixes. After a PmWiki upgrade, there are warnings "Token invalid or missing" and the changes are not saved. Some local customization may need to be updated, please see Upgrades#pmtoken. After some upgrades to website, hosting, or browser, some skin styles/colors and possibly local styles, recipes, and embedded pictures, have stopped working. In your local configuration, if you have the variables After a PHP upgrade, some of my markup rules have been disabled, and a tooltip title says (in English) "Markup rule ... is obsolete and has been disabled. See pmwiki.org/Troubleshooting". The obsolete markup rule should appear on the tooltip title and should make it easy to identify which custom configuration or addon/recipe caused it. If it is not obvious, follow the steps in the first section. Developers can find documentation on how to update old addons at CustomMarkup and Functions. My wiki displays warnings " PHP version 7.2 deprecated a function which PmWiki used for markup definitions and pattern replacements. It is recommended to upgrade to the latest PmWiki version and update all addons and skins from the Cookbook?. Addons in the PHP 7.2 category are reported to be compatible with PHP 7.2. If you need a specific addon that has not yet been updated please contact us. To update your own addons, you probably need to update your calls to Markup(), see the pages Custom markup, Functions and PmWiki:CustomPagelistSortOrder. The recipe Cookbook:PccfToPcfOverride may provide a temporary solution until you can update all your add-ons. Note that PmWiki itself doesn't use that function, but (older) addons can register instructions to be processed at a later point. That's why the warning reports a line in How to track down the addons that cause the warnings, see the first section. My wiki displays warnings " This is caused by a change in PHP version 5.5 for the preg_replace() function. PmWiki no longer relies on the deprecated feature since version 2.2.56 (it is recommended to upgrade to the latest version) but many recipes do. Note that PmWiki itself doesn't use that function, but (older) addons can register instructions to be processed at a later point. That's why the warning reports a line in Recipes and Skins are currently being updated for PHP 5.5. Check if there are more recent versions published by their maintainers on the Cookbook. If you update your PmWiki and recipes, and still see the warnings, here is how to find out which recipes cause them: For PmWiki version 2.2.71 or newer, in If the Note that many hosting providers allow you to run different versions of PHP. See the documentation of your hosting plan to learn how to enable a PHP version earlier than 5.5. Finally, it is possible to suppress these warnings in PHP 5.5, by setting this line at the beginning of See categories: . My wiki displays warnings " You probably have configuration settings that worked on older PHP versions. Here is how to hunt and try to fix this. In your (farm) Additionally, if there are locked passwords with a star The Some of your page files may still have the old star Edit the file and replace the star My wiki displays warnings " A character class range in a regular expression is something in brackets like If you want to match an actual dash (minus) rather than identify a character range, you need to place it first or last thing, like: To track the error, see the first question on this page, and check the variables After a PHP upgrade, some of the pages on my wiki are completely blank, empty, some have blank or missing sections, but the sidebar and the action links are visible. Sometimes this may be caused by insufficient file permissions on the server. The PHP process needs "read/write (rw)" access to all files in the directories " Alternatively, this may be caused by a change in PHP 5.4 which affects the function The easiest temporary fix would be in your Or, this may sometimes work in A more permanent fix would be to upgrade your installation to a more recent PmWiki version, your recipes, and in your own recipes or modules replace all calls to The "blank" pages come from the fact that in PHP 5.4 the default encoding switched from an 8-bit encoding to variable-bit validated UTF-8, and that an incorrect UTF-8 string will be rejected. If your wiki uses an 8-bit encoding, it is virtually certain that it is not valid UTF-8. Worse, even if you do use UTF-8 some browsers may submit invalid bits. So the Very long pages with thousands of lines may appear blank after adding a few additional lines. This may be preformatted text, table, or text inside conditional markup, or text in a custom markup directive. This may be caused by the PHP limits on how far to look forward, and loop back, when searching for matches of regular expressions. You may want to split the very long page into several pages, or the very long markup into separate sections/blocks, or you can increase the PHP limits by adding this to Why am I seeing strange errors after upgrading? Make sure all of the files were updated, in particular This question sometimes arises when an administrator hasn't
followed the advice, which used to be less prominent, on the
installation and
initial setup tasks pages and has renamed
Sometimes an FTP or other copy program will fail to transfer all of the files properly. One way to check for this is by comparing file sizes. Be sure all of the files in the Make sure that the file permissions are correct. The official files have a restricted set of permissions that might not match your site's needs. If you use a custom pattern for I'm suddenly getting messages like " Something (or someone) has changed the permissions on the My links in the sidebar seem to be pointing to non-existent pages, even though I know I created the pages. Where are the pages? Links in the SideBar normally need to be qualified by a WikiGroup in order to work properly (use Why am I seeing " If this is the first or only error message you're seeing, it's usually an indication that there are blank lines, spaces, or other characters before the When you save the file, the encoding/charset should be either When you transfer the files, tell your FTP manager to use text mode transfer, or, if that doesn't help, binary mode transfer. If the warning is appearing after some other warning or error message, then resolve the other error and this warning may go away. How do I make a PHP Warning about If you are seeing an error similar to this Warning: session_write_close() [function.session-write-close]: open(/some/filesystem/path/to/a/directory/sess_[...]) failed: No such file or directory (2) in /your/filesystem/path/to/pmwiki.php on line NNN PmWiki sometimes does session-tracking using PHP's session-handling functions. For session-tracking to work, some information needs to be written in a directory on the server. That directory needs to exist and be writable by the webserver software. For this example, the webserver software is configured to write sessions in this directory /some/filesystem/path/to/a/directory/
but the directory doesn't exist. The solution is to do at least one of these:
session_save_path('/home/someuser/tmp/sessions'); # unix-type OS
session_save_path('C:/server/tmp/sessions'); # Windows
Why is PmWiki prompting me multiple times for a password I've already entered? This could happen like out of nowhere if your hosting provider upgrades to PHP version 5.3, and you run an older PmWiki release. Recent PmWiki releases fix this problem. Alternatively, this may be an indication that the browser isn't accepting cookies, or that PHP's session handling functions on the server aren't properly configured. If the browser is accepting cookies, then try setting See also the question I have to log in twice below. I edited You've made a mistake in writing the PHP that goes into the Searches and pagelists stopped working after I upgraded -- no errors are reported, but links to other pages do not appear (or do not appear as they should) -- what gives? Be sure all of the files in the Some of my posts are coming back with "403 Forbidden", "406 Not Acceptable", or "418 I'm a teapot" errors, or "Internal Server Error". This happens with some posts but not others. Your webserver probably has mod_security enabled. The mod_security "feature" scans all incoming posts for forbidden words or phrases that might indicate someone is trying to hack the system, and if any of them are present then Apache returns the 403 Forbidden or 406 Not Acceptable error. Common phrases that tend to trigger mod_security include "curl ", "wget", "file(", and "system(", although there are many others (depending on the configuration, percent signs, html tags, international characters). Since mod_security intercepts the requests and sends the "forbidden"
message before PmWiki ever gets a chance to run, it's not a bug in PmWiki, and
there's little that PmWiki can do about it. Instead, one has to alter the
webserver configuration to disable mod_security or reconfigure it to allow
whatever word it is forbidding. Some sites may be able to disable mod_security
by placing Alternatively, you may try the recipe Cookbook:EncodePost. I get the following message when attempting to upload an image, what do I do?
Your server is configured with PHP Safe Mode enabled (removed as of PHP 5.4.0). Configure your wiki to use a site-wide uploads prefix, then create the uploads/ directory manually and set 777 permissions on it (rather than letting PmWiki create the directory). I'm starting to see " It's a bug in PmWiki that occurs only with the tables markup and only for versions of PHP >= 4.4.6 or >= 5.2.0. Often it seems to occur "out of nowhere" because the server administrator has upgraded PHP. Try upgrading to a later version of PmWiki to remove the error, or try setting the following in I have to log in twice (two times) (2 times). -or- My password is not being required even though it should. -or- I changed the password but the old password is still active. -or- My It could happen if (farm) The order of When editing an existing page, The "Save" causes a no-response of your server (not a blank page, no response at all, an endless connexion try). To get back the hand, it is necessary to request for another page (by clicking on its link in the menu for instance). And horror!, the ...?action=edit is then inhibited, it becomes impossible to edit any page. When the editing of a page is initiated a file names I get the error " This is probably not a PmWiki error. PmWiki cannot create a lock file due to an underlying file system problem. For example the disk quota has been exceeded (e.g. by an error log file or file uploads), or there are problems with file system permissions. AuthUser Can I specify authorization group memberships from with Yes -- put the group definition into the $AuthUser array (in $AuthUser['@editors'] = array('alice', 'carol', 'bob');
Can I have multiple admin groups? Yes, define the groups with $DefaultPasswords['admin'] = array( pmcrypt('masterpass'), # global password
'@admins', '@moderators', # +users in these groups
'id:Fred', 'id:Barney'); # +users Fred and Barney
I'm running multiple wikis under the same domain name, and logins from one wiki are appearing on other wikis. Shouldn't they be independent? This is caused by the way that PHP treats sessions. See PmWiki.AuthUser#sessions for more details. Is there any way to record the time of the last login for each user when using AuthUser? I need a way to look for stale accounts. Though every setting seems correct, authentication against LDAP is not working. There is nothing in ldap log, what's wrong? Be sure ldap php module is installed ( on debian apt-get install php(4|5)-ldap ; apache(2)ctl graceful ) The login form asks for username and password, but only password matters. Username can be left blank and it still signs in under the account. Is this intentional and if so, can I change it so that the username and password must both be entered? - X 1/18/07 Never mind I think this has something to do with using the admin password. I created a test account and it's working ok.
Make sure you are not entering the admin password when testing the account because, if the password is equal to the admin password, it will authenticate directly through the Do note that even with AuthUser activated you can still log in with a blank username and only entering the password. In that case any password you enter will be "accepted" but only passwords which authenticate in the given context will actually give you any authorization rights. Using this capability AuthUser comfortably coexists with the default password-based system. If you want to require both username and password, then you need to set an admin id before including
## Define usernames and passwords.
$AuthUser['carol'] = '$1$CknC8zAs$dC8z2vu3UvnIXMfOcGDON0';
## Enable authentication based on username.
include_once('scripts/authuser.php');
# $DefaultPasswords['admin'] = pmcrypt('secret');
$DefaultPasswords['admin'] = 'id:carol';
A username and password will then be required before login is successful. Is there any way to hide IP addresses once someone has logged in so that registered users can keep their IP addresses invisible to everyone except administrators? - X 1/18/07 Yes, see solution provided at PITS:00400. Is there a way that people could self-register through AuthUser? You can see HtpasswdForm or UserAdmin for recipes providing this feature. I would like it that after I have AuthUser turned and a user is authenticated to get on my site, that if I have a password put on a particular page or group that they don't get the AuthUser form to show up (username and password), but only the typical field for password? See this thread of the mailing list (authuser vs passwords). How to allow a group or a page for reading or editing, only to signed-in users? You can set the password fields to PasswordsAdminThere seems to be a default password. What is it? There isn't any valid password until you set one. Passwords admin describes how to set one. PmWiki comes "out of the box" with How do I use passwd-formatted files (like .htpasswd) for authentication? See AuthUser, Cookbook:HtpasswdForm or Is there anything I can enter in a Enter '@lock' in How do I edit protect, say, all RecentChanges pages? How can I read password protect all pages in a group except the As described in PmWiki.GroupCustomizations per-group or per-page configuration files should not be used for defining passwords. The reason is that per-group (or per-page) customization files are only loaded for the current page. So, if
and because the How can I password protect the creation of new pages? See Cookbook:LimitWikiGroups, Cookbook:NewGroupWarning, Cookbook:LimitNewPagesInWikiGroups. How do I change the password prompt screen? If your question is about how to make changes to that page... edit Site.AuthForm. If your question is about how to change which page you are sent to when prompted for a password, you might check out the Cookbook:CustomAuthForm for help. How do I change the prompt on the attributes ( Simply create a new page at Site.AttrForm?, and add the following line of code to
Note that this only changes the text above the password inputs on the attributes page, but doesn't change the inputs themselves - the inputs have to be dealt with separately. See Cookbook:CustomAttrForm for more info. I get http error 500 "Internal Server Error" when I try to log in. What's wrong? This can happen if the encrypted passwords are not created on the web server that hosts the PmWiki. Solution: Create the passwords on the system with the oldest PHP version and use them on all other systems. I only want users to have to create an 'edit' password, which is automatically used for their 'upload' & 'attr' passwords (without them having to set those independently). How do I do this? By setting $HandleAuth['upload'] = 'edit';
// And to prevent a WikiSandbox from having it's 'attr' permissions changed
// except by the admin (but allowing editors to change it on their own pages/group)
if(($group=="Site") || ($group=="Main") || ($group=="Category") ||
($group=="SiteAdmin") || ($group=="PmWiki") ) {
$HandleAuth['attr'] = 'admin'; // for all main admin pages, set 'attr' to 'admin' password
} else {
$HandleAuth['attr'] = 'edit'; // if you can edit, then you can set attr
}
DesignNotesWhy doesn't PmWiki use hierarchical / nested groups? It essentially comes down to figuring out how to handle page links between nested groups; if someone can figure out an obvious, intuitive way for authors to do that, then nested groups become plausible. See Design Notes and PmWiki:Hierarchical Groups. Why don't PmWiki's scripts have a closing ?> tag? All of PmWiki's scripts now omit the closing ?> tag. The tag is not required, and it avoids problems with unnoticed spaces or blank lines at the end of the file. Also, some file transfer protocols may change the newline character(s) in the file, which can also cause problems. See also the Instruction separation page in the PHP manual. Does PmWiki support WYSIWYG editing (or something like the FCKEditor)? Short answer: PmWiki provides GUI buttons in a toolbar for common markups, but otherwise does not have WYSIWYG editing. For the reasons why, see PmWiki:WYSIWYG. See also Cookbook:Worse and Cookbook:PmSyntax. Categories: PmWiki Developer
This page may have a more recent version on pmwiki.org: PmWiki:FAQ, and a talk page: PmWiki:FAQ-Talk. |