On Tuesday, April 19, 2016 at 8:01:50 AM UTC-7, Mat wrote:
>
> Note the syntax for an external link is simply
> [[pretty text|http://....]]
>
>>
>>
Most of the time, an external link is easy to recognize because it starts 
with http:// (or https://).   However, when the external link is ambiguous 
(i.e., it could be a tiddler title), then the 'ext' keyword is needed to 
ensure that an external link is created.

For example, suppose I have a tiddler named "foo/bar/mumble.txt"... then 
[[click me|foo/bar/mumble.txt]] would be an internal tiddler link.  Now 
suppose that there is also a local file named "foo/bar/mumble.txt" that is 
stored in a subdirectory of the current working folder.  To create an 
external link to this file, you can't use the "http://"; prefix, as that 
would make the reference absolute (i.e., no longer relative to the working 
directory).  Adding the 'ext' keyword forces the link to be external, even 
if there is a tiddler with the same name.

enjoy,
-e

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