SPEC should be an alist of the form ((DISPLAY ATTS)...).
-In the first element, DISPLAY can be :default. The ATTS in that
+In the first element, DISPLAY can be `default'. The ATTS in that
element then act as defaults for all the following elements.
Aside from that, DISPLAY specifies conditions to match some or
elements are ignored, on that frame.
In the last element, DISPLAY can be t. That element applies to a
-frame if none of the previous elements (except the :default if
+frame if none of the previous elements (except the `default' if
any) did.
ATTS is a list of face attributes followed by their values:
`:slant', `:underline', `:overline', `:strike-through', `:box',
`:foreground', `:background', `:stipple', `:inverse-video', and `:inherit'.
-DISPLAY can be `:default' (only in the first element), the symbol
+DISPLAY can be `default' (only in the first element), the symbol
t (only in the last element) to match all frames, or an alist of
conditions of the form \(REQ ITEM...). For such an alist to
match a frame, each of the conditions must be satisfied, meaning