FeynmanDiagrams.lyx: add note how to overcome a limitation of the feyn package (bug 7898) (intentionally no status entry)

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_2_0_X@40238 a592a061-630c-0410-9148-cb99ea01b6c8

lib/examples/FeynmanDiagrams.lyx

@@ -88,6 +88,7 @@
 \paperorientation portrait
 \suppress_date true
 \use_refstyle 0
+\notefontcolor #0000ff
 \index Index
 \shortcut idx
 \color #008000
@@ -786,6 +787,39 @@ key "Feyn"
 .
 \end_layout
 
+\begin_layout Standard
+\begin_inset Note Greyedout
+status open
+
+\begin_layout Plain Layout
+
+\series bold
+Note:
+\series default
+ If you have an index list in your document and use one of the AMS theorem
+ modules, you have to add the option 
+\series bold
+noglobalbang
+\series default
+ to the document class options in the document settings.
+ This enables the usage of the '!' character in index entries (necessary
+ for subentries) but might cause troubles with the AMS align and align*
+ environments (which are described in section 
+\begin_inset Quotes eld
+\end_inset
+
+Align Environments
+\begin_inset Quotes erd
+\end_inset
+
+ of LyX's Math manual).
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Bibliography
 \labelwidthstring References
 \begin_inset CommandInset bibitem