I had some problems doing this but one way of doing this is listed below.
4 Answers
The given answer didn't work for me in Xcode 4.1.
However, Xcode->Preferences->Documentation->Never Use use font sizes smaller than 'x' is a workaround.
Edit: moved slightly in the newest Xcode (4.6.2). Now Xcode->Preferences->Downloads->Documentation->Never use font sizes smaller than: 'x'.
Comments
Xcode menu bar,select Editor->Zoom in.
1 Comment
Alan
Works for Xcode 9.4.1. This would seem to be the correct answer now.
In XCode on the menu bar, select EDIT-> FORMAT -> FONT -> BIGGER
1 Comment
Slipp D. Thompson
No effect in the current version of Xcode (at time of writing, 5.1.1).