Mod: some comments in gitattributes

src/Mod/.gitattributes

@@ -12,9 +12,16 @@ JtReader    export-ignore
 
 
 # get all used file types
+
 # in a directory in a bash use
 # find . -type f -name '*.*' | sed 's|.*\.||' | sort -u
 
+# in Mod directory for normalized modules
+# find AddonManager Arch Complete Draft Idf Fem Material OpenSCAD Show Tux -type f -name '*.*' | sed 's|.*\.||' | sort -u
+
+# search for a specific file ending in normalized folders
+# find AddonManager Arch Complete Draft Idf Fem Material OpenSCAD Show Tux -type f -name '*.emn' 
+
 
 # normalize the line endings of the following files
 
@@ -45,6 +52,20 @@ JtReader    export-ignore
 *.vtk text
 *.z88 text
 
+# files which are human readable
+# but for which it is not sure if normalize is ok
+# emn
+# emp
+# igs
+# stp
+# svg
+
+# binary files
+# FCMat
+# FCStd
+# ods
+# qm
+
 
 # line endings of the modules commented will be normalized