[LyX/master] Make the latest FORMAT entry more detailed.

[Thibaut Cuvelier]

commit a67cfd6013fe3088744e5df80cdc59f950f5b78c
Author: Thibaut Cuvelier <tcuvelier at lyx.org>
Date:   Tue Mar 23 23:32:36 2021 +0100

    Make the latest FORMAT entry more detailed.
---
 development/FORMAT |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/development/FORMAT b/development/FORMAT
index f241ab0..28014ee 100644
--- a/development/FORMAT
+++ b/development/FORMAT
@@ -8,7 +8,10 @@ changes happened in particular if possible. A good example would be
 -----------------------
 
 2021-03-23 Thibaut Cuvelier <tcuvelier at lyx.org> 
- 	* Format incremented to 608: DocBook MathML-namespace prefix.
+ 	* Format incremented to 608: DocBook MathML-namespace prefix with the
+ 	  \docbook_mathml_prefix buffer parameter (enumerated value:
+ 	  MathMLNameSpacePrefix). Only common values for the prefix are proposed
+ 	  to the user, instead of a free-form field, for simplicity.
 
 2021-03-06 Jürgen Spitzmüller <spitz at lyx.org> 
 	* Format incremented to 607: \\spellchecker_ignore buffer param.