appveyor: fix branch config

[ci skip]

.appveyor.yml

@@ -58,24 +58,29 @@ build_script:
 artifacts:
 - path: hledger.zip
 
-# overriding common configuration:
+branches:
-for:
+  only:
+    - master          # master is set as default branch in UI, and built nightly by cron
+    - /^[0-9.]+$/     # release branches will be build on each push (would prefer on tag)
 
-# settings specific to master branch
+## overriding common configuration:
-# master is set as default branch in UI, and built nightly by cron
+#for:
--
+#
-  branches:
+## settings specific to master branch
-    only:
+## master is set as default branch in UI, and built nightly by cron
-      - master
+#-
-
+#  branches:
-# settings specific to release branches
+#    only:
-# release branches are built on tag push
+#      - master
--
+#
-  branches:
+## settings specific to release branches
-    only:
+## release branches are built on tag push
-      - /^[0-9.]+$/
+#-
-  on:
+#  branches:
-    appveyor_repo_tag: true
+#    only:
+#      - /^[0-9.]+$/
+#  on:   # https://ci.appveyor.com/tools/validate-yaml: Invalid setting or section: on
+#    appveyor_repo_tag: true
 
 
 # deployment stuff