[wp-trac] [WordPress Trac] #35286: Broken theme error message is very confusing

[WordPress Trac]

#35286: Broken theme error message is very confusing
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 Reporter:  mayukojpn                |       Owner:
     Type:  enhancement              |      Status:  new
 Priority:  normal                   |   Milestone:  Future Release
Component:  Themes                   |     Version:  trunk
 Severity:  normal                   |  Resolution:
 Keywords:  ux-feedback needs-patch  |     Focuses:  administration
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Comment (by mayukojpn):

 Yes, you are right. If there are no parent theme, `theme_no_parent` error
 should be shown.

 These are combination of actual state and result. 2nd and 3rd line is
 which I want to improve:

 || prefer to improove || Theme is || is parent theme installed? || is
 there template tag in style.css? || Is there index.php file? || result
 || || Child theme || YES || YES || YES || Child theme will work as child
 theme.  ||
 || || Child theme || '''NO''' || YES ||  YES || `The parent theme is
 missing.` ||
 || YES || Child theme || YES || '''NO''' || YES || Child theme will work
 '''as parent theme''' and no error. I agree with you ''if the parent theme
 is missing it should throw a theme_no_parent error'' ||
 || || Child theme || YES || YES ||  '''NO''' || Child theme will work as
 child theme.  ||
 || || Child theme || '''NO''' || YES ||  '''NO''' || `The parent theme is
 missing.` ||
 || YES || Child theme || YES || '''NO''' || '''NO'''  || `Template is
 missing.` I prefer template '''tag''' is missing.   ||
 || || Child theme || '''NO''' || '''NO''' || '''NO''' || `Template is
 missing.`  ||

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Ticket URL: <https://core.trac.wordpress.org/ticket/35286#comment:8>
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