URI: 
       tbuild-wine/README.md: add comment about needing recent docker version - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit d34b8d69f63e957e775cc8f2f24a431cf2926c7c
   DIR parent 5d19d5d4bdaa868eed2bf701ad7d53cbd029159c
  HTML Author: SomberNight <somber.night@protonmail.com>
       Date:   Mon,  1 Feb 2021 22:30:54 +0100
       
       build-wine/README.md: add comment about needing recent docker version
       
       related:
       https://github.com/spesmilo/electrum/issues/6971
       https://github.com/spesmilo/electrum/pull/6981
       
       Diffstat:
         M .travis.yml                         |       2 +-
         M contrib/build-wine/README.md        |       4 ++++
       
       2 files changed, 5 insertions(+), 1 deletion(-)
       ---
   DIR diff --git a/.travis.yml b/.travis.yml
       t@@ -51,7 +51,7 @@ jobs:
                - TARGET_OS=Windows
              services:
                - docker
       -      before_install:
       +      before_install:  # we need a newer version of docker; 20.10+ seems to work
                - sudo rm -rf /var/lib/apt/lists/*
                - curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
                - sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
   DIR diff --git a/contrib/build-wine/README.md b/contrib/build-wine/README.md
       t@@ -17,6 +17,10 @@ folder.
            $ sudo apt-get install -y docker-ce
            ```
        
       +    Note: older versions of Docker might not work well
       +    (see [#6971](https://github.com/spesmilo/electrum/issues/6971)).
       +    If having problems, try to upgrade to at least `docker 20.10`.
       +
        2. Build image
        
            ```