[elpa] externals/compat 3f2eed3c64 2/5: Update manual

[ELPA Syncer]

branch: externals/compat
commit 3f2eed3c6407d366d76f895ae664cb10d2cc14ad
Author: Daniel Mendler <mail@daniel-mendler.de>
Commit: Daniel Mendler <mail@daniel-mendler.de>

    Update manual
---
 compat.texi | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/compat.texi b/compat.texi
index 0c3fa512d8..1ddcbfc4d2 100644
--- a/compat.texi
+++ b/compat.texi
@@ -183,10 +183,16 @@ The library intends to provide support back until Emacs 
24.4.  The
 intended audience are package developers that are interested in using
 newer developments, without having to break compatibility.
 
-Complete backwards compatibility cannot be provided for technical
-reasons.  These might include:
+Complete backwards compatibility cannot be provided due to the scope
+of Compat and for technical reasons.  These might include:
 
 @itemize
+@item
+The additional functionality is a user-facing mode or command.  Compat
+is limited to functionality on the ``library level''.  Generally
+functions provided by Compat are non-interactive, such that the user
+interface (M-x) is unaffected by the presence of Compat.
+
 @item
 An existing function or macro was extended by some new functionality.
 To support these cases, the function or macro would have to be