Fix typo in Python keywords: "elf" => "elif". Fix #573
diff --git a/components/prism-python.js b/components/prism-python.js
index ceda163..f04765b 100644
--- a/components/prism-python.js
+++ b/components/prism-python.js
@@ -4,7 +4,7 @@ Prism.languages.python= {
lookbehind: true
},
'string': /"""[\s\S]+?"""|'''[\s\S]+?'''|("|')(\\?.)*?\1/,
- 'keyword' : /\b(as|assert|break|class|continue|def|del|elf|else|except|exec|finally|for|from|global|if|import|in|is|lambda|pass|print|raise|return|try|while|with|yield)\b/,
+ 'keyword' : /\b(as|assert|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|pass|print|raise|return|try|while|with|yield)\b/,
'boolean' : /\b(True|False)\b/,
'number' : /\b-?(0[box])?(?:[\da-f]+\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,
'operator' : /[-+]|<=?|>=?|!|={1,2}|&{1,2}|\|?\||\?|\*|\/|~|\^|%|\b(or|and|not)\b/,
diff --git a/components/prism-python.min.js b/components/prism-python.min.js
index 6f615d3..3bd60b4 100644
--- a/components/prism-python.min.js
+++ b/components/prism-python.min.js
@@ -1 +1 @@
-Prism.languages.python={comment:{pattern:/(^|[^\\])#.*?(\r?\n|$)/,lookbehind:!0},string:/"""[\s\S]+?"""|'''[\s\S]+?'''|("|')(\\?.)*?\1/,keyword:/\b(as|assert|break|class|continue|def|del|elf|else|except|exec|finally|for|from|global|if|import|in|is|lambda|pass|print|raise|return|try|while|with|yield)\b/,"boolean":/\b(True|False)\b/,number:/\b-?(0[box])?(?:[\da-f]+\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,operator:/[-+]|<=?|>=?|!|={1,2}|&{1,2}|\|?\||\?|\*|\/|~|\^|%|\b(or|and|not)\b/,punctuation:/[{}[\];(),.:]/};
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+Prism.languages.python={comment:{pattern:/(^|[^\\])#.*?(\r?\n|$)/,lookbehind:!0},string:/"""[\s\S]+?"""|'''[\s\S]+?'''|("|')(\\?.)*?\1/,keyword:/\b(as|assert|break|class|continue|def|del|elif|else|except|exec|finally|for|from|global|if|import|in|is|lambda|pass|print|raise|return|try|while|with|yield)\b/,"boolean":/\b(True|False)\b/,number:/\b-?(0[box])?(?:[\da-f]+\.?\d*|\.\d+)(?:e[+-]?\d+)?j?\b/i,operator:/[-+]|<=?|>=?|!|={1,2}|&{1,2}|\|?\||\?|\*|\/|~|\^|%|\b(or|and|not)\b/,punctuation:/[{}[\];(),.:]/};
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