Merge branch 'master' of ssh://git.indexdata.com/home/git/pub/yazpp

diff --git a/doc/common b/doc/common
index 95d92dd..3194c01 160000 (submodule)
--- a/doc/common
+++ b/doc/common
@@ -1 +1 @@
-Subproject commit 95d92dd6e49fe3807fd1d6c664b3883580290103
+Subproject commit 3194c01cfd794ce4553ffd568e0cdc3640dc3f05

diff --git a/m4 b/m4
index acee1cf..67d13d0 160000 (submodule)
--- a/m4
+++ b/m4
@@ -1 +1 @@
-Subproject commit acee1cf4678c8c0908d65fcbc19f49c7c5aa677f
+Subproject commit 67d13d0e0d554e1a5092de442dbd74a8f283af96