Customization: add a hint about PackageOptions at Requires.

lib/doc/Customization.lyx

@@ -10213,6 +10213,24 @@ reference "chap:List-of-functions"
 \end_inset
 
  for the list of features.)
+\change_inserted -712698321 1438601536
+.
+ If you require a package with specific options, you can additionally use
+ 
+\begin_inset Flex Code
+status collapsed
+
+\begin_layout Plain Layout
+
+\change_inserted -712698321 1438601526
+PackageOptions
+\end_layout
+
+\end_inset
+
+.
+\change_unchanged
+
 \end_layout
 
 \begin_layout Description
@@ -14873,8 +14891,14 @@ string
 
 \end_inset
 
+
+\change_deleted -712698321 1438601713
 .
- See the description of 
+
+\change_unchanged
+ 
+\change_deleted -712698321 1438601638
+See the description of 
 \begin_inset Flex Code
 status collapsed
 
@@ -14892,6 +14916,42 @@ reference "subsec:General-text-class"
 \end_inset
 
 ) for information on `features'.
+\change_inserted -712698321 1438601711
+(see 
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "chap:List-of-functions"
+
+\end_inset
+
+ for the list of features).
+ If you require a package with specific options, you can additionally use
+ 
+\begin_inset Flex Code
+status collapsed
+
+\begin_layout Plain Layout
+
+\change_inserted -712698321 1438601638
+PackageOptions
+\end_layout
+
+\end_inset
+
+ as a general text class parameter (see sec.
+\begin_inset space ~
+\end_inset
+
+
+\begin_inset CommandInset ref
+LatexCommand ref
+reference "subsec:General-text-class"
+
+\end_inset
+
+).
+\change_unchanged
+
 \end_layout
 
 \begin_layout Description