[wp-trac] [WordPress Trac] #20746: Accessing non-existing theme folder in Network install gives 500 error

[WordPress Trac]

#20746: Accessing non-existing theme folder in Network install gives 500 error
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 Reporter:  arkimedia                |       Owner:
     Type:  defect (bug)             |      Status:  reopened
 Priority:  normal                   |   Milestone:  Future Release
Component:  Rewrite Rules            |     Version:  3.3.2
 Severity:  normal                   |  Resolution:
 Keywords:  needs-testing has-patch  |     Focuses:  multisite
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Comment (by wpmuguru):

 Replying to [comment:43 dchenko]:
 > But this does not simply remove the question mark—you're removing the
 capturing parentheses and changing the $2 to a $1, which makes the string
 "+/" required as part of the URL in front of wp-* even though it was
 optional before.

 The leading path being optional is the problem the patch is fixing. Apache
 loops through the rewrite rules until there are no more matches. If the
 leading path is optional then when the rule matches on the first pass &
 the leading path is removed, the rule continues to match on subsequent
 rewrite passes resulting in a rewrite loop.

 @jeremyfelt My patch restores the rules to what was merged from WordPress
 MU about 8 years ago.

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Ticket URL: <https://core.trac.wordpress.org/ticket/20746#comment:44>
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