Tidy up the break-visibility pre-defined functions

 - add center-visible

diff --git a/Documentation/user/changing-defaults.itely b/Documentation/user/changing-defaults.itely
index da6caa23ac8bf574343a273b615865ff73223ab5..474b09fd3fb1f3d972fa3292636678197ab6b943 100644 (file)
--- a/Documentation/user/changing-defaults.itely
+++ b/Documentation/user/changing-defaults.itely
@@ -2399,29 +2399,25 @@ object is printed at the end of, within the body of, or at the
 beginning of a line.  Or to be more precise, before a line break,
 where there is no line break, or after a line break.
 
-Alternatively, seven of the eight combinations may be specified
+Alternatively, these eight combinations may be specified
 by pre-defined functions, defined in @file{scm/output-lib.scm},
 where the last three columns indicate whether the layout objects
 will be visible in the positions shown at the head of the columns:
 
-@multitable @columnfractions .40 .15 .1 .1 .1
-@c TODO check these more carefully
+@multitable {@code{begin-of-line-invisible}} {@code{'#(#t #t #t)}} {yes} {yes} {yes}
 @headitem Function                   @tab Vector                  @tab Before @tab At no    @tab After
 @headitem form                       @tab form                    @tab break  @tab break    @tab break
 
-@item @code{all-invisible}           @tab @code{'#(#f #f #f)} @ @ @tab no     @tab no       @tab no
+@item @code{all-visible}             @tab @code{'#(#t #t #t)}     @tab yes    @tab yes      @tab yes
 @item @code{begin-of-line-visible}   @tab @code{'#(#f #f #t)}     @tab no     @tab no       @tab yes
+@item @code{center-visible}          @tab @code{'#(#f #t #f)}     @tab no     @tab yes      @tab no
 @item @code{end-of-line-visible}     @tab @code{'#(#t #f #f)}     @tab yes    @tab no       @tab no
-@item @code{all-visible}             @tab @code{'#(#t #t #t)}     @tab yes    @tab yes      @tab yes
-@c The center-visible function is not defined
-@c @item @code{center-visible}       @tab @code{'#(#f #t #f)}     @tab no     @tab yes      @tab no
 @item @code{begin-of-line-invisible} @tab @code{'#(#t #t #f)}     @tab yes    @tab yes      @tab no
-@item @code{end-of-line-invisible}   @tab @code{'#(#f #t #t)}     @tab no     @tab yes      @tab yes
 @item @code{center-invisible}        @tab @code{'#(#t #f #t)}     @tab yes    @tab no       @tab yes
+@item @code{end-of-line-invisible}   @tab @code{'#(#f #t #t)}     @tab no     @tab yes      @tab yes
+@item @code{all-invisible}           @tab @code{'#(#f #f #f)}     @tab no     @tab no       @tab no
 @end multitable
 
-The @code{center-visible} function is not pre-defined.
-
 The default settings of @code{break-visibility} depend on the
 layout object.  The following table shows all the layout objects
 of interest which are affected by @code{break-visibility} and the

diff --git a/scm/output-lib.scm b/scm/output-lib.scm
index eb6d98db06c78d6cfff53b007abd80db5b708fb6..22e4377046c47ed3034bea7a7c52ebc9a055a2a3 100644 (file)
--- a/scm/output-lib.scm
+++ b/scm/output-lib.scm
@@ -205,19 +205,17 @@ centered, X==1 is at the right, X == -1 is at the left."
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; break visibility
 
-(define-public begin-of-line-visible
-  #(#f #f #t))
-(define-public end-of-line-visible
-  #(#t #f #f))
-(define-public end-of-line-invisible
-  #(#f #t #t))
+(define-public all-visible             #(#t #t #t))
+(define-public begin-of-line-invisible #(#t #t #f))
+(define-public center-invisible        #(#t #f #t))
+(define-public end-of-line-invisible   #(#f #t #t))
+(define-public begin-of-line-visible   #(#f #f #t))
+(define-public center-visible          #(#f #t #f))
+(define-public end-of-line-visible     #(#t #f #f))
+(define-public all-invisible           #(#f #f #f))
+
 (define-public spanbar-begin-of-line-invisible
   #(#t #f #f))
-(define-public all-visible #(#t #t #t))
-(define-public all-invisible #(#f #f #f))
-(define-public begin-of-line-invisible
-  #(#t #t #f))
-(define-public center-invisible #(#t #f #t))
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;; Bar lines.