lack of offline documentation

[dlangBugzillaToGithub]

a11e99z reported this on 2019-09-28T08:39:11Z

Transferred from https://issues.dlang.org/show_bug.cgi?id=20249

Description

http://downloads.dlang.org/releases/2.x/2.088.0/dmd.2.088.0.windows.7z
see html/d/phobos/ core_simd.html for example

compare it with online documentation 
https://dlang.org/phobos/core_simd.html

maybe another almost empty files exists, but probably when u will fix this one u fix and others too