Weirdly sloped font in some apps after 16.04 upgrade

[Adam Funk]

On 2016-08-31, Adam Funk wrote:

> On 2016-08-26, Ralf Mardorf wrote:
>
>> On Fri, 26 Aug 2016 13:09:39 +0100, Adam Funk wrote:
>>>I just upgraded a desktop machine from 15.10 to 16.04 (a little late,
>>>I know!).  Everything is OK except for one weird problem: a lot of
>>>web pages in Firefox and some e-mails in Thunderbird are displayed in
>>>a strangely sloped font --- like backward-italic, i.e., up to the
>>>left.  I have no idea where to find whatever is causing this, & it's
>>>pretty hard to google.
>>>
>>>Any suggestions?
>
>> what font should it be, regarding the HTML source? In Firefox at the
>> opened website push Ctrl+U to see the page source and then Ctrl+F and
>> search for      font      , since I don't have Thunderbird installed, I
>> don't know how to view an email's source by Thunderbird, but usually
>> mailers provide such an option, too.
>
> Looking at the source and the "inspect element" stuff, it seems to be this:
>
>    font-family: Arial, Helvetica, sans-serif;

This was also happening with some pages that had "Verdana" in that
list.

Anyway, it turns out that installing the ttf-mscorefonts-installer
package fixed the problem.  I thought I already had mscorefonts
installed --- maybe the dist upgrade took it out?