X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;ds=sidebyside;f=lily%2Fpaper-column.cc;h=e68395807dff33e84c7d4e496ef4bb5cbdce0aa6;hb=35f48f6592df5dabe2b2c4633953eb1547fc6607;hp=c474e92af56ab695058e63054ed14e1524cfed7f;hpb=c380a7abde14a60ebd6d8a6eab91ae4e13677a23;p=lilypond.git

diff --git a/lily/paper-column.cc b/lily/paper-column.cc
index c474e92af5..e68395807d 100644
--- a/lily/paper-column.cc
+++ b/lily/paper-column.cc
@@ -18,8 +18,11 @@
 #include "font-interface.hh"
 
 
-/*
-  Paper_columns form the top-most item parent. (The Paper_columns X
+
+
+
+ADD_INTERFACE (Paper_column, "paper-column-interface",
+  "  Paper_columns form the top-most item parent. (The Paper_columns X
   parent is System, which is a spanner.)
 
   Paper_columns form the units for the spacing engine. They are
@@ -29,8 +32,14 @@
   Since many columns go unused, you should only use the rank field to
   get ordering information.  Two adjacent columns may have
   non-adjacent numbers.
-  
- */
+
+  Don't be confused by right-items: each spacing wish can also contain
+  a number of items, with which a spacing constraint may be kept. It's
+  a little baroque, but it might come in handy later on?
+
+",
+  "between-cols between-system-string when bounded-by-me shortest-playing-duration shortest-starter-duration");
+
 
 void
 Paper_column::do_break_processing ()
@@ -123,9 +132,3 @@ Paper_column::brew_molecule (SCM p)
   return t.smobbed_copy ();						
 }
 
-
-
-
-ADD_INTERFACE (Paper_column, "paper-column-interface",
-  "",
-  "between-cols when bounded-by-me shortest-playing-duration shortest-starter-duration");