Fix code formatting, bump release version up to 1.5.0

Raise the version up to 1.5.0, add upgrade script

Fix issues found after the review

Makefile

@@ -34,7 +34,8 @@ DATA_built  = $(RELEASE_SQL) \
 			  pg_sphere--1.3.0--1.3.1.sql \
 			  pg_sphere--1.3.1--1.4.0.sql \
 			  pg_sphere--1.4.0--1.4.1.sql \
-			  pg_sphere--1.4.1--1.4.2.sql
+			  pg_sphere--1.4.1--1.4.2.sql \
+			  pg_sphere--1.4.2--1.5.0.sql
 
 DOCS        = README.pg_sphere COPYRIGHT.pg_sphere
 TESTS       = version tables points euler circle line ellipse poly path box \
@@ -209,6 +210,9 @@ pg_sphere--1.3.1--1.4.0.sql: pgs_circle_sel.sql.in pgs_hash.sql.in
 pg_sphere--1.4.0--1.4.1.sql pg_sphere--1.4.1--1.4.2.sql:
 	@echo "-- Nothing to upgrade in the schema" > $@
 
+pg_sphere--1.4.2--1.5.0.sql:
+	cat upgrade_scripts/$@.in $^ > $@
+
 # end of local stuff
 
 src/sscan.o : src/sparse.c

Makefile.common.mk

@@ -5,4 +5,4 @@
 #----------------------------------------------------------------------------
 
 EXTENSION        	:= pg_sphere
-PGSPHERE_VERSION 	:= 1.4.2
+PGSPHERE_VERSION 	:= 1.5.0

doc/indices.sgm

@@ -69,9 +69,9 @@
           </listitem>
         </itemizedlist>
         <para>
-          GiST index can be used also for fast finding points closest to the given one 
-          when ordering by an expression with the <literal>&lt;-&gt;</literal> operator
-          is used, as shown in an example below.
+          A GiST index can be also used for quickly finding the points closest to the given one
+          when ordering by an expression with the <literal>&lt;-&gt;</literal> operator,
+          as shown in an example below.
         </para>
         <para>
           BRIN indexing supports just spherical points (<type>spoint</type>)
@@ -88,7 +88,7 @@
 <![CDATA[VACUUM ANALYZE test;]]>
           </programlisting>
           <para>
-           To find points closest to a given spherical position, use the <literal>&lt;-&gt;</literal> operator:
+           To find the points closest to a given spherical position, use the <literal>&lt;-&gt;</literal> operator:
           </para>
           <programlisting>
 <![CDATA[SELECT * FROM test ORDER BY pos <-> spoint (0.2, 0.3) LIMIT 10 ]]>
@@ -112,6 +112,7 @@
 <![CDATA[CREATE INDEX test_pos_idx USING BRIN ON test (pos) WITH (pages_per_range = 16);]]>
           </programlisting>
         </example>
+
       </sect1>
 
       <sect1 id="ind.smoc">

expected/version.out

@@ -2,6 +2,6 @@
 SELECT pg_sphere_version();
  pg_sphere_version 
 -------------------
- 1.4.2
+ 1.5.0
 (1 row)
 

pg_sphere.control

@@ -1,5 +1,5 @@
 # pg_sphere extension
 comment = 'spherical objects with useful functions, operators and index support'
-default_version = '1.4.2'
+default_version = '1.5.0'
 module_pathname = '$libdir/pg_sphere'
 relocatable = true

pgs_gist.sql.in

@@ -117,7 +117,7 @@ CREATE OPERATOR CLASS spoint
    OPERATOR  14 @ (spoint, spoly),
    OPERATOR  15 @ (spoint, sellipse),
    OPERATOR  16 @ (spoint, sbox),
-   OPERATOR	 17	<-> (spoint, spoint) FOR ORDER BY float_ops,
+   OPERATOR  17 <-> (spoint, spoint) FOR ORDER BY float_ops,
    OPERATOR  37 <@ (spoint, scircle),
    OPERATOR  38 <@ (spoint, sline),
    OPERATOR  39 <@ (spoint, spath),