Hello.

Several items of menu "View -> Code Folding" are described in documentation of KrViewer for Krusader at https://projects.kde.org/projects/extragear/utils/krusader/repository/revisions/a2718792e376db8ff2f9040ad80a8f58e07fc0d1/changes/doc/viewer-editor.docbook:

Collapse Toplevel
Expand Toplevel
Collapse One Local Level
Expand One Local Level

There are else menu items instead these menu items :
Fold Current Node
Unfold Current Node
Unfold All Nodes
Fold Multiline Comments
Fold Toplevel Nodes
Fold Nodes in Level >number of level<
Unfold Toplevel Nodes
Unfold Nodes in Level >number of level<

Reproducible: Always

Steps to Reproduce:
1. translating documentation from svn co svn://anonsvn.kde.org/home/kde/trunk/l10n-support/cs/summit
2. view of https://projects.kde.org/projects/extragear/utils/krusader/repository/revisions/a2718792e376db8ff2f9040ad80a8f58e07fc0d1/changes/doc/viewer-editor.docbook
Actual Results:  
<term><menuchoice><shortcut><keycombo action="simul">&Ctrl;
&Shift;<keycap>-</keycap></keycombo></shortcut>
<guimenuitem>Collapse Toplevel</guimenuitem></menuchoice>
</term>
<listitem><para>Collapse all toplevel regions in the document.</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice><shortcut><keycombo action="simul">&Ctrl;
&Shift;<keycap>+</keycap></keycombo></shortcut>
<guimenuitem>Expand Toplevel</guimenuitem></menuchoice>
</term>
<listitem><para>Expand all toplevel regions in the document.</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice><shortcut><keycombo action="simul">&Ctrl;
<keycap>-</keycap></keycombo></shortcut>
<guimenuitem>Collapse One Local Level</guimenuitem></menuchoice>
</term>
<listitem><para>Collapse the region closest to the cursor.</para></listitem>
</varlistentry>
<varlistentry>
<term><menuchoice><shortcut><keycombo action="simul">&Ctrl;
<keycap>+</keycap></keycombo></shortcut>
<guimenuitem>Expand One Local Level</guimenuitem></menuchoice>
</term>
<listitem><para>Expand the region closest to the cursor.</para></listitem>

Expected Results:  
<term>
  <menuchoice>
    <guimenuitem>Fold Current Node</guimenuitem>
  </menuchoice>
</term>
<listitem>
  <para>Fold current node in the document.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
  <menuchoice>
    <guimenuitem>Unfold Current Node</guimenuitem>
  </menuchoice>
</term>
<listitem>
  <para>Unfold current node in the document.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
  <menuchoice>
    <guimenuitem>Unfold All Nodes</guimenuitem>
</menuchoice>
</term>
<listitem>
  <para>Unfold all nodes in the document.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
  <menuchoice>
    <guimenuitem>Fold Multiline Comments</guimenuitem>
  </menuchoice>
</term>
<listitem>
  <para>Fold all multiline comments in the document.</para>
</listitem>
<term>
  <menuchoice>
    <shortcut><keycombo action="simul">&Ctrl;&Shift;<keycap>+</keycap></keycombo></shortcut>
    <guimenuitem>Fold Toplevel Nodes</guimenuitem>
  </menuchoice>
</term>
<listitem>
  <para>Fold all only top level nodes in the document.</para>
</listitem>
<term>
  <menuchoice>
    <guimenuitem>Fold Nodes in Level **number of nodes**</guimenuitem>
  </menuchoice>
</term>
<listitem>
  <para>Fold all nodes in select level in the document.</para>
</listitem>
<term>
  <menuchoice>
    <shortcut><keycombo action="simul">&Ctrl;&Shift;<keycap>+</keycap></keycombo></shortcut>
    <guimenuitem>Unfold Toplevel Nodes</guimenuitem>
  </menuchoice>
</term>
<listitem>
  <para>Unfold all only top level nodes in the document.</para>
</listitem>
<term>
  <menuchoice>
    <guimenuitem>Unfold Nodes in Level **number of nodes**</guimenuitem>
  </menuchoice>
</term>
<listitem>
  <para>Unfold all nodes in select level in the document.</para>
</listitem>