cons man page: add breaks after some .SH sections.

Certain SH headings look bad without line breaks.
Others look funny ("un-man-page-like") if we add them,
so we don't do this everywhere.

1 files changed, 7 insertions, 6 deletions

diff --git a/cppawk-cons.1 b/cppawk-cons.1
index d554da7..fee6b80 100644
--- a/cppawk-cons.1
+++ b/cppawk-cons.1
@@ -135,7 +135,7 @@ cons \- Lisp-like data representation and control flow macros
 .ft R
 
 .SH OVERVIEW
-
+.bk
 Due to the data structuring limitations of the Awk language, the
 .B cppawk
 representation of Lisp-like data structures is only a sham built
@@ -186,7 +186,7 @@ it features lists made of cons cells, terminated by a
 symbol.
 
 .SH BOXED VS. UNBOXED
-
+.bk
 The
 .B cons
 library flexibly handles two kinds of data:
@@ -315,6 +315,7 @@ by trying to perform some list operation on it. It's up to the application to
 put a boxed value into a cons cell, if it expects to retrieve one.
 
 .SH TREATMENT OF BOOLEAN VALUES
+.bk
 In Lisp, how Boolean truth works it that the
 .B nil
 object is false, and every other object is true.
@@ -353,7 +354,7 @@ which is not false.
 Note that the boxed undefined value tests true, not false.
 
 .SH CONTROL FLOW PRIMITIVES
-
+.bk
 The control flow primitives are macros patterned after similar
 macros found in some Lisp dialects.
 
@@ -452,7 +453,7 @@ reaches the last expression, then it yields that expression's value.
 .ft R
 
 .SH DATA REPRESENTATION LIBRARY
-
+.bk
 In the following descriptions, the notations
 .IB X " => " Y
 and
@@ -1817,7 +1818,7 @@ function's notion of equality.
 .ft R
 
 .SH FUNCTION APPLICATION
-
+.bk
 .SS Functions \fImapcar\fP and \fImappend\fP
 .bk
 Syntax:
@@ -1894,7 +1895,7 @@ on GNU Awk before version 5.2.
 .ft R
 
 .SH ARRAY/LIST CONVERSION
-
+.bk
 .SS Functions \fIvalues\fP and \fIkeys\fP
 .bk
 Syntax: