* (bug 26449) Keep underlines from headings outside of tables and thumbs by
adding overflow:hidden to h1,h2,h3,h4,h5,h6 (also fixes editsection bunching).
* (bug 26708) Remove background-color:white from tables in Monobook and Vector.
-* (bug 26781) {{PAGENAME}} and related parser functions escape their output better
+* (bug 26781) {{PAGENAME}} and related parser functions escape their output better.
+* (bug 26716) Provide link to instructions for external editor related preferences.
=== API changes in 1.18 ===
* (bug 26339) Throw warning when truncating an overlarge API result
'tog-shownumberswatching' => 'Show the number of watching users',
'tog-oldsig' => 'Preview of existing signature:',
'tog-fancysig' => 'Treat signature as wikitext (without an automatic link)',
-'tog-externaleditor' => 'Use external editor by default (for experts only, needs special settings on your computer)',
-'tog-externaldiff' => 'Use external diff by default (for experts only, needs special settings on your computer)',
+'tog-externaleditor' => 'Use external editor by default (for experts only, needs special settings on your computer. [http://www.mediawiki.org/wiki/Manual:External_editors More information.])',
+'tog-externaldiff' => 'Use external diff by default (for experts only, needs special settings on your computer. [http://www.mediawiki.org/wiki/Manual:External_editors More information.])',
'tog-showjumplinks' => 'Enable "jump to" accessibility links',
'tog-uselivepreview' => 'Use live preview (requires JavaScript) (experimental)',
'tog-forceeditsummary' => 'Prompt me when entering a blank edit summary',