Local customisations of site-wide preferences

Site-level preferences are located in TWiki.TWikiPreferences, however this Main.TWikiPreferences prefs topic has override priority and should be used for local customisations. This allows for easier upgrades as you don't need to worry about the shipped preferences clobbering yours. It's easier to keep a handle on if you only copy over the settings you actually change.

• Maximum size of FileAttachments in KB, 0 for no limit:
• 20-Feb-2018 WGS: Remove this limit, as the default (10000KB = 10MB) is easily exceeded these days.
  • Set ATTACHFILESIZELIMIT = 200000

• FINALPREFERENCES locks site-level preferences that are not allowed to be overridden by WebPreferences or user preferences:
  • Set FINALPREFERENCES = ATTACHFILESIZELIMIT, PREVIEWBGIMAGE, WIKITOOLNAME, WIKIHOMEURL, ALLOWROOTCHANGE, DENYROOTCHANGE, TWIKILAYOUTURL, TWIKISTYLEURL, TWIKICOLORSURL, USERSWEB, SYSTEMWEB, DOCWEB
• 01-Feb-2013 WGS: I think the TopMenu skin would be confusing to the users; let's use a simpler one.
• 31-Aug-2015 WGS: Try making the skin a function of the user agent.
  • Set SKIN = pattern

• 30-May-2014 WGS: Switch to a logo based on the CU crown.
• Image, URL and alternate tooltip text of the logo for this installation: you should change these settings for your site, or they can be overwridden in WebPreferences for individual webs by defining these variables there.
  • Set WIKILOGOIMG =
  • Set WIKILOGOALT = TWiki site for Columbia University Nevis Labs particle physics
  • Set FAVICON = https://twiki.nevis.columbia.edu/twiki/pub/Main/Logos/favicon.ico

• 30-May-2014 WGS: Enable Columbia colors.
  • Set USERCOLORSURL = https://twiki.nevis.columbia.edu/twiki/pub/TWiki/PatternSkin/theme-colors.css