[pkgsrc/trunk]: pkgsrc/mk/help mk/help: remove extra empty line when listing ...

[rillig <rillig%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/e5b9efcc778d
branches:  trunk
changeset: 330547:e5b9efcc778d
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Sun Mar 03 16:47:58 2019 +0000

description:
mk/help: remove extra empty line when listing all help topics

diffstat:

 mk/help/help.awk |  12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diffs (42 lines):

diff -r 50b97db2d61c -r e5b9efcc778d mk/help/help.awk
--- a/mk/help/help.awk  Sun Mar 03 16:45:49 2019 +0000
+++ b/mk/help/help.awk  Sun Mar 03 16:47:58 2019 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: help.awk,v 1.31 2018/07/22 06:45:31 rillig Exp $
+# $NetBSD: help.awk,v 1.32 2019/03/03 16:47:58 rillig Exp $
 #
 
 # This program extracts the inline documentation from *.mk files.
@@ -67,7 +67,8 @@
        cleanup();
 }
 
-function sorted_keys(array, separator,   elem, list, listlen, i, j, tmp, joined) {
+# Returns the sorted keys of the array, each prefixed by the prefix.
+function sorted_keys(array, prefix,   elem, list, listlen, i, j, tmp, result) {
        listlen = 0;
        for (elem in array)
                list[listlen++] = elem;
@@ -82,11 +83,11 @@
                }
        }
 
-       joined = "";
+       result = "";
        for (i = 0; i < listlen; i++) {
-               joined = joined separator list[i];
+               result = result prefix list[i];
        }
-       return joined;
+       return result;
 }
 
 function cleanup() {
@@ -219,7 +220,6 @@
        end_of_topic();
        if (print_index) {
                print "Available help topics:";
-               print "";
                print sorted_keys(all_keywords, "\n");
        } else if (!found_anything) {
                appearances = sorted_keys(all_appearances, "\n");