René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"tight_layout is incorrect for certain title sizes","articleBody":"I am using `Python 3.4.4 |Anaconda 2.3.0 (64-bit)` on win64 bits, with latest `matplotlib` and `pyqt` updated by `conda install xx`\r\nfor the following code, if I use unicode title in the for-loop, the images are too small. However, if I use English title, the images' size are expected\r\n\r\nThis can be observed for both `TkAgg` and `Qt5Agg`\r\n\r\n```python\r\n#coding=utf-8\r\nimport matplotlib\r\nmatplotlib.rcParams['backend'] = 'TkAgg'\r\n#~ matplotlib.rcParams['backend'] = 'Qt5Agg'\r\n\r\nfrom pylab import *\r\nimport PIL.Image as Image\r\n\r\nim=Image.open('Mario cosplay.jpg').convert('L')\r\n\r\norgsize=im.size\r\nnewsize=[int(i/4) for i in orgsize]\r\n\r\nsubplot(2,3,1)\r\nimshow(im, cmap='gray', vmin=0, vmax=255)\r\ntitle('original pic', fontsize=20);\r\n\r\nfilters=[Image.NEAREST, Image.BILINEAR, Image.BICUBIC, Image.ANTIALIAS]\r\nfiltersName=['NEAREST', 'BILINEAR', 'BICUBIC', 'ANTIALIAS']\r\nfor k in range(len(filters)):\r\n    subplot(2,3,k+2)\r\n    im1=im.resize(newsize, filters[k])\r\n    imshow(im1, cmap='gray', vmin=0, vmax=255)\r\n    #~ title('原图的1/%i，插值法：%s' %  (4, filtersName[k]), fontsize=20)       # bug here\r\n    title('size: 1/%i，interpolation: %s' %  (4, filtersName[k]), fontsize=20)    # no bug\r\n\r\ngcf().tight_layout()\r\n\r\nshow()\r\n```\r\n\r\n![unicode_title](https://cloud.githubusercontent.com/assets/7960913/23596231/81cd9694-0263-11e7-96c1-5727af112f0f.png)\r\n![english_title](https://cloud.githubusercontent.com/assets/7960913/23596232/83a9e8fa-0263-11e7-8316-f5b5e8a34932.png)\r\n","author":{"url":"https://github.com/retsyo","@type":"Person","name":"retsyo"},"datePublished":"2017-03-06T03:54:10.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/8201/matplotlib/issues/8201"}