browser: support ranged version numbers

Latest release indicates identical versions as "a-b".  Only keep minimum
value in column headers, but compare usage rows to maximum (so opera v9.6
matches 9.5-9.6 instead of 10.0-10.1).

diff --git a/browser.plp b/browser.plp
index eee60960506b1c6f549c5203d81356a7ba7dd0d4..831962492a300d14ea3982ac67e31028d0bb42ca 100644 (file)
--- a/browser.plp
+++ b/browser.plp
@@ -315,7 +315,8 @@ sub formathtml {
 
 sub paddedver {
        # normalised version number comparable as string (cmp)
-       shift =~ /^(\d*)(.*)/;
+       shift =~ /(?:.*-|^)(\d*)(.*)/;
+       # matched (major)(.minor) of last value in range (a-B)
        return sprintf('%02d', $1 || 0) . $2;
 }
 
@@ -324,6 +325,7 @@ sub showversions {
        for (@span) {
                s/^\./0./;
                s/x$/.*/;
+               s/-.*//;
        }
        return join('‒', @span);
 }