Feature/tinymce5update 3 minor fixes (#2363)

Author: lorenzo-pomili

modules/ROOT/pages/rtc/rtc-troubleshooting.adoc

@@ -68,4 +68,3 @@ A number of part-related errors can be raised if the JWT fails to decode:
 * A part was not valid JSON
 * The header part does not specify an algorithm
 * The payload part does not contain all xref:rtc/jwt-authentication.adoc#settingupjwtauthenticationforreal-timecollaboration[required claims]
-// TODO: fix this xref, it doesn't seem to work in production either

modules/ROOT/partials/configuration/allow_unsafe_link_target.adoc

@@ -1,7 +1,9 @@
+:blanktarget: blank_
+
 [[allow_unsafe_link_target]]
 == `allow_unsafe_link_target`
 
-By default all links with a `target` of __blank_ will get a `rel` attribute of `noopener`. This will disable access to the `window.opener` object from a child tab/window that will open on click. If this is not something you care about, you can disable this option, by setting it to _false_. Although *we do not recommend* you to do so unless you have other ways of securing links to external pages using target set to __blank_.
+By default all links with a `target` of _{blanktarget}_ will get a `rel` attribute of `noopener`. This will disable access to the `window.opener` object from a child tab/window that will open on click. If this is not something you care about, you can disable this option, by setting it to _false_. Although *we do not recommend* you to do so unless you have other ways of securing links to external pages using target set to _{blanktarget}_.
 
 *Type:* `Boolean`
 
@@ -18,3 +20,5 @@ tinymce.init({
   allow_unsafe_link_target: true
 });
 ----
+
+:!blanktarget:

modules/ROOT/partials/configuration/noneditable_editable_class.adoc

@@ -1,7 +1,7 @@
 [[noneditable_editable_class]]
 === `noneditable_editable_class`
 
-This option allows you to specify the class name that {productname} will use to determine which areas of content are editable when using the `noneditable` plugin. This would be the the same as `contenteditable=true`, forcing an element to be editable.
+This option allows you to specify the class name that {productname} will use to determine which areas of content are editable when using the `noneditable` plugin. This would be the same as `contenteditable=true`, forcing an element to be editable.
 
 Note that classes with the `mceItem` prefix are invisible within {productname}.
 

modules/ROOT/partials/release-notes/known-issues.adoc

@@ -20,7 +20,7 @@ Previously, it was possible to create new UI controls by extending existing cont
 
 ==== Insert/Edit image
 
-In TinyMCE Developers Preview version, when the focus was on the source input, the tab did not shift the focus to the source button. This issue was being caused due to the size input lock component not reading dimensions -> width, or dimensions -> height. As a consequence of this issue, image list select box up and down arrow did not change the content. To resolve this issue, the code was restructured to read the the label context. This issue also affected the dialog select component task. This issue has been fixed in the current release of TinyMCE.
+In TinyMCE Developers Preview version, when the focus was on the source input, the tab did not shift the focus to the source button. This issue was being caused due to the size input lock component not reading dimensions -> width, or dimensions -> height. As a consequence of this issue, image list select box up and down arrow did not change the content. To resolve this issue, the code was restructured to read the label context. This issue also affected the dialog select component task. This issue has been fixed in the current release of TinyMCE.
 
 ==== Context menu component