update elements and fix some bugs

lib/src/prism/components/prism-fsharp.min.js

Index: lib/src/prism/components/prism-fsharp.min.js
diff --git a/lib/src/prism/components/prism-fsharp.min.js b/lib/src/prism/components/prism-fsharp.min.js
index 785f391d51fbf49dea9c1176c12f6165224c1639..4a30f95f617af42311e90a5415107df00f40d17d 100644
--- a/lib/src/prism/components/prism-fsharp.min.js
+++ b/lib/src/prism/components/prism-fsharp.min.js
@@ -1 +1 @@
-Prism.languages.fsharp=Prism.languages.extend("clike",{comment:[{pattern:/(^|[^\\])\(\*[\w\W]*?\*\)/,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],keyword:/\b(abstract|and|as|assert|base|begin|class|default|delegate|do|done|downcast|downto|elif|else|end|exception|extern|false|finally|for|fun|function|global|if|in|inherit|inline|interface|internal|lazy|let|let!|match|member|module|mutable|namespace|new|not|null|of|open|or|override|private|public|rec|return|return!|select|static|struct|then|to|true|try|type|upcast|use|use!|val|void|when|while|with|yield|yield!|asr|land|lor|lsl|lsr|lxor|mod|sig|atomic|break|checked|component|const|constraint|constructor|continue|eager|event|external|fixed|functor|include|method|mixin|object|parallel|process|protected|pure|sealed|tailcall|trait|virtual|volatile)\b/,string:/@?("""|"|')((\\|\n)?.)*?\1B?/,preprocessor:/^\s*#.*/m,number:[/\b-?0x[\da-fA-F]+(un|lf|LF)?\b/,/\b-?0b[01]+(y|uy)?\b/,/\b-?(\d+\.|\d*\.?\d+)([fFmM]|[eE][+-]?\d+)?\b/,/\b-?\d+(y|uy|s|us|l|u|ul|L|UL|I)?\b/]});
+Prism.languages.fsharp=Prism.languages.extend("clike",{comment:[{pattern:/(^|[^\\])\(\*[\w\W]*?\*\)/,lookbehind:!0},{pattern:/(^|[^\\:])\/\/.*/,lookbehind:!0}],keyword:/\b(?:let|return|use|yield)(?:!\B|\b)|\b(abstract|and|as|assert|base|begin|class|default|delegate|do|done|downcast|downto|elif|else|end|exception|extern|false|finally|for|fun|function|global|if|in|inherit|inline|interface|internal|lazy|match|member|module|mutable|namespace|new|not|null|of|open|or|override|private|public|rec|select|static|struct|then|to|true|try|type|upcast|val|void|when|while|with|asr|land|lor|lsl|lsr|lxor|mod|sig|atomic|break|checked|component|const|constraint|constructor|continue|eager|event|external|fixed|functor|include|method|mixin|object|parallel|process|protected|pure|sealed|tailcall|trait|virtual|volatile)\b/,string:/(?:"""[\s\S]*?"""|@"(?:""|[^"])*"|("|')(?:\\\1|\\?(?!\1)[\s\S])*\1)B?/,number:[/\b-?0x[\da-fA-F]+(un|lf|LF)?\b/,/\b-?0b[01]+(y|uy)?\b/,/\b-?(\d*\.?\d+|\d+\.)([fFmM]|[eE][+-]?\d+)?\b/,/\b-?\d+(y|uy|s|us|l|u|ul|L|UL|I)?\b/]}),Prism.languages.insertBefore("fsharp","keyword",{preprocessor:/^[^\r\n\S]*#.*/m});