Title: [Plugin: Markdown QuickTags] Glitch when installing
Last modified: August 19, 2016

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# [Plugin: Markdown QuickTags] Glitch when installing

 *  [forumcivico](https://wordpress.org/support/users/forumcivico/)
 * (@forumcivico)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-markdown-quicktags-glitch-when-installing/)
 * When one try to activate the plugin, wp shows a warning
    “The plugin does not
   have a valid header.”
 * But going back to the plugin list, one can activate it and it works just fine.
 * [http://wordpress.org/extend/plugins/markdown-quicktags/](http://wordpress.org/extend/plugins/markdown-quicktags/)

Viewing 5 replies - 1 through 5 (of 5 total)

 *  [squirreling](https://wordpress.org/support/users/squirreling/)
 * (@squirreling)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-markdown-quicktags-glitch-when-installing/#post-1958973)
 * I just updated to 0.7.11 and this glitch still occurs. Seems to work ok though.
 *  [Brutal](https://wordpress.org/support/users/brutal/)
 * (@brutal)
 * [15 years, 2 months ago](https://wordpress.org/support/topic/plugin-markdown-quicktags-glitch-when-installing/#post-1958979)
 * Same here.
 *  Plugin Author [ttscoff](https://wordpress.org/support/users/ttscoff/)
 * (@ttscoff)
 * [15 years, 1 month ago](https://wordpress.org/support/topic/plugin-markdown-quicktags-glitch-when-installing/#post-1959005)
 * I’m working on this. If anyone has any idea what might be causing it, I’d love
   to know…
 *  [ravisarma](https://wordpress.org/support/users/ravisarma/)
 * (@ravisarma)
 * [14 years, 9 months ago](https://wordpress.org/support/topic/plugin-markdown-quicktags-glitch-when-installing/#post-1959024)
 * Brett, I haven’t poked into your code or the plugin activation code in WP, but
   guessing off the top of my head, I wonder if it has anything to do with the fact
   that the plugin directory has a hyphen in it while the main PHP file within the
   directory does not?
 *  Plugin Author [ttscoff](https://wordpress.org/support/users/ttscoff/)
 * (@ttscoff)
 * [14 years, 3 months ago](https://wordpress.org/support/topic/plugin-markdown-quicktags-glitch-when-installing/#post-1959046)
 * I did find the solution to this, it was because the copy of PHP Markdown Extra
   I include had a second WordPress plugin inside it which was being read at the
   time of install. Current versions should not suffer from this issue.

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘[Plugin: Markdown QuickTags] Glitch when installing’ is closed to new
replies.

 * ![](https://s.w.org/plugins/geopattern-icon/markdown-quicktags_aeaead.svg)
 * [Markdown QuickTags](https://wordpress.org/plugins/markdown-quicktags/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/markdown-quicktags/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/markdown-quicktags/)
 * [Active Topics](https://wordpress.org/support/plugin/markdown-quicktags/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/markdown-quicktags/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/markdown-quicktags/reviews/)

 * 5 replies
 * 5 participants
 * Last reply from: [ttscoff](https://wordpress.org/support/users/ttscoff/)
 * Last activity: [14 years, 3 months ago](https://wordpress.org/support/topic/plugin-markdown-quicktags-glitch-when-installing/#post-1959046)
 * Status: not resolved