Added include file for compiler options (dotnet#4726)

Ron Petrusha · web-flow · commit b9185b377ee6 · 2018-03-21T11:59:07.000-07:00
diff --git a/includes/compiler-options.md b/includes/compiler-options.md
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+
+Every compiler option is available in two forms: **-option** and **/option**. The documentation only shows the -option form. 

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	`2`	`+Every compiler option is available in two forms: -option and /option. The documentation only shows the -option form.`