Update docs

doc/changelog.asciidoc

@@ -39,6 +39,8 @@ Added
 - New `qute-pass` userscript as alternative to `password_fill` which allows
   selecting accounts via rofi or any other dmenu-compatile application.
 - New `qt.highdpi` setting to turn on Qt's High-DPI scaling.
+- New `:completion-item-yank` command (bound to `<Ctrl-C>`) to yank the current
+  completion item text.
 
 Changed
 ~~~~~~~

doc/help/commands.asciidoc

@@ -1143,6 +1143,7 @@ How many steps to zoom out.
 |<<command-history-prev,command-history-prev>>|Go back in the commandline history.
 |<<completion-item-del,completion-item-del>>|Delete the current completion item.
 |<<completion-item-focus,completion-item-focus>>|Shift the focus of the completion menu to another item.
+|<<completion-item-yank,completion-item-yank>>|Yank the current completion item onto the clipboard.
 |<<drop-selection,drop-selection>>|Drop selection and keep selection mode enabled.
 |<<enter-mode,enter-mode>>|Enter a key mode.
 |<<follow-hint,follow-hint>>|Follow a hint.
@@ -1247,6 +1248,15 @@ Shift the focus of the completion menu to another item.
 ==== positional arguments
 * +'which'+: 'next', 'prev', 'next-category', or 'prev-category'.
 
+[[completion-item-yank]]
+=== completion-item-yank
+Syntax: +:completion-item-yank [*--sel*]+
+
+Yank the current completion item onto the clipboard.
+
+==== optional arguments
+* +*-s*+, +*--sel*+: True to use the primary selection instead of the clipboard.
+
 [[drop-selection]]
 === drop-selection
 Drop selection and keep selection mode enabled.

doc/help/settings.asciidoc

@@ -414,6 +414,7 @@ Default:
 * +pass:[<Ctrl-?>]+: +pass:[rl-delete-char]+
 * +pass:[<Ctrl-A>]+: +pass:[rl-beginning-of-line]+
 * +pass:[<Ctrl-B>]+: +pass:[rl-backward-char]+
+* +pass:[<Ctrl-C>]+: +pass:[completion-item-yank]+
 * +pass:[<Ctrl-D>]+: +pass:[completion-item-del]+
 * +pass:[<Ctrl-E>]+: +pass:[rl-end-of-line]+
 * +pass:[<Ctrl-F>]+: +pass:[rl-forward-char]+
@@ -421,6 +422,7 @@ Default:
 * +pass:[<Ctrl-K>]+: +pass:[rl-kill-line]+
 * +pass:[<Ctrl-N>]+: +pass:[command-history-next]+
 * +pass:[<Ctrl-P>]+: +pass:[command-history-prev]+
+* +pass:[<Ctrl-Shift-C>]+: +pass:[completion-item-yank --sel]+
 * +pass:[<Ctrl-Shift-Tab>]+: +pass:[completion-item-focus prev-category]+
 * +pass:[<Ctrl-Tab>]+: +pass:[completion-item-focus next-category]+
 * +pass:[<Ctrl-U>]+: +pass:[rl-unix-line-discard]+