René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Setting annotation background covers arrow","articleBody":"Setting a background on the annotation covers the arrow also. This didn't happen in 1.4.2. I've been using it to separate the text from any plot data points in cases where they overlap. Resolvable for now by redrawing an empty annotation with an arrow.\n\nPre 1.4.2:\n![screen shot 2015-05-03 at 15 06 58](https://cloud.githubusercontent.com/assets/529963/7445352/c6d0efa4-f1a6-11e4-9a7b-bc49dfef575f.png)\nCurrent:\n![screen shot 2015-05-03 at 15 03 21](https://cloud.githubusercontent.com/assets/529963/7445358/e821336c-f1a6-11e4-987b-f638ebb67cef.png)\nExample code:\n\n```\nimport matplotlib.pyplot as plt\nimport numpy\na = numpy.zeros(100)\na[::2] = 1\nplt.figure(figsize=(5.9,4.4))\nplt.plot(a)\nshared_args = {\"xytext\":(-15,0), \"va\":'center', \"ha\":\"right\", \"textcoords\":'offset points', \"arrowprops\":{\"arrowstyle\": \"-\u003e\"}}\nplt.annotate(\"Test\", xy=(20,0.5), **shared_args)\nplt.annotate(\"Test\", xy=(20,0.4), backgroundcolor=\"w\", **shared_args)\nplt.show()\n```\n\nAnd the actual introducing commit, in the middle of what appears to be other restructuring https://github.com/matplotlib/matplotlib/commit/9d1c876e65e38b7596df68768a09baf9fcdb5916\n","author":{"url":"https://github.com/ndevenish","@type":"Person","name":"ndevenish"},"datePublished":"2015-05-03T14:19:32.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/4400/matplotlib/issues/4400"}