diff --git a/rsconcept/frontend/src/features/rsform/components/RSInput/tooltip.ts b/rsconcept/frontend/src/features/rsform/components/RSInput/tooltip.ts
index ea38c29f..07e5e76d 100644
--- a/rsconcept/frontend/src/features/rsform/components/RSInput/tooltip.ts
+++ b/rsconcept/frontend/src/features/rsform/components/RSInput/tooltip.ts
@@ -1,10 +1,12 @@
 import { Extension } from '@codemirror/state';
-import { hoverTooltip } from '@codemirror/view';
+import { hoverTooltip, TooltipView } from '@codemirror/view';
+import clsx from 'clsx';
 
 import { findAliasAt } from '@/utils/codemirror';
-import { domTooltipConstituenta } from '@/utils/codemirror';
+import { labelCstTypification } from '@/utils/labels';
 
-import { IRSForm } from '../../models/rsform';
+import { IConstituenta, IRSForm } from '../../models/rsform';
+import { isBasicConcept } from '../../models/rsformAPI';
 
 const tooltipProducer = (schema: IRSForm, canClick?: boolean) => {
   return hoverTooltip((view, pos) => {
@@ -25,3 +27,78 @@ const tooltipProducer = (schema: IRSForm, canClick?: boolean) => {
 export function rsHoverTooltip(schema: IRSForm, canClick?: boolean): Extension {
   return [tooltipProducer(schema, canClick)];
 }
+
+/**
+ * Create DOM tooltip for {@link Constituenta}.
+ */
+function domTooltipConstituenta(cst?: IConstituenta, canClick?: boolean): TooltipView {
+  const dom = document.createElement('div');
+  dom.className = clsx(
+    'max-h-[25rem] max-w-[25rem] min-w-[10rem]',
+    'dense',
+    'p-2',
+    'border shadow-md',
+    'cc-scroll-y',
+    'text-sm font-main'
+  );
+
+  if (!cst) {
+    const text = document.createElement('p');
+    text.innerText = 'Конституента не определена';
+    dom.appendChild(text);
+  } else {
+    const alias = document.createElement('p');
+    alias.className = 'font-math';
+    alias.style.overflowWrap = 'anywhere';
+    alias.innerHTML = `<b>${cst.alias}:</b> ${labelCstTypification(cst)}`;
+    dom.appendChild(alias);
+
+    if (cst.term_resolved) {
+      const term = document.createElement('p');
+      term.innerHTML = `<b>Термин:</b> ${cst.term_resolved}`;
+      dom.appendChild(term);
+    }
+
+    if (cst.definition_formal) {
+      const expression = document.createElement('p');
+      expression.innerHTML = `<b>Выражение:</b> ${cst.definition_formal}`;
+      dom.appendChild(expression);
+    }
+
+    if (cst.definition_resolved) {
+      const definition = document.createElement('p');
+      definition.innerHTML = `<b>Определение:</b> ${cst.definition_resolved}`;
+      dom.appendChild(definition);
+    }
+
+    if (cst.convention) {
+      const convention = document.createElement('p');
+      if (isBasicConcept(cst.cst_type)) {
+        convention.innerHTML = `<b>Конвенция:</b> ${cst.convention}`;
+      } else {
+        convention.innerHTML = `<b>Комментарий:</b> ${cst.convention}`;
+      }
+      dom.appendChild(convention);
+    }
+
+    if (cst.spawner_alias) {
+      const derived = document.createElement('p');
+      derived.innerHTML = `<b>Основание:</b> ${cst.spawner_alias}`;
+      dom.appendChild(derived);
+    }
+
+    if (cst.spawn_alias.length > 0) {
+      const children = document.createElement('p');
+      children.innerHTML = `<b>Порождает:</b> ${cst.spawn_alias.join(', ')}`;
+      dom.appendChild(children);
+    }
+
+    if (canClick) {
+      const clickTip = document.createElement('p');
+      clickTip.className = 'text-center text-xs mt-1';
+      clickTip.innerText = 'Ctrl + клик для перехода';
+      dom.appendChild(clickTip);
+    }
+  }
+  return { dom: dom };
+}
diff --git a/rsconcept/frontend/src/features/rsform/components/RefsInput/tooltip.ts b/rsconcept/frontend/src/features/rsform/components/RefsInput/tooltip.ts
index 4a91032f..845fae9e 100644
--- a/rsconcept/frontend/src/features/rsform/components/RefsInput/tooltip.ts
+++ b/rsconcept/frontend/src/features/rsform/components/RefsInput/tooltip.ts
@@ -1,16 +1,15 @@
 import { syntaxTree } from '@codemirror/language';
 import { Extension } from '@codemirror/state';
-import { hoverTooltip } from '@codemirror/view';
+import { hoverTooltip, TooltipView } from '@codemirror/view';
+import clsx from 'clsx';
 
-import {
-  domTooltipEntityReference,
-  domTooltipSyntacticReference,
-  findContainedNodes,
-  findReferenceAt
-} from '@/utils/codemirror';
+import { APP_COLORS, colorFgGrammeme } from '@/styling/color';
+import { findContainedNodes, findReferenceAt } from '@/utils/codemirror';
+import { describeConstituentaTerm, labelGrammeme } from '@/utils/labels';
 
 import { IEntityReference, ISyntacticReference } from '../../models/language';
-import { IRSForm } from '../../models/rsform';
+import { parseGrammemes } from '../../models/languageAPI';
+import { IConstituenta, IRSForm } from '../../models/rsform';
 import { RefEntity } from './parse/parser.terms';
 
 export const tooltipProducer = (schema: IRSForm, canClick?: boolean) => {
@@ -56,3 +55,106 @@ export const tooltipProducer = (schema: IRSForm, canClick?: boolean) => {
 export function refsHoverTooltip(schema: IRSForm, canClick?: boolean): Extension {
   return [tooltipProducer(schema, canClick)];
 }
+
+/**
+ * Create DOM tooltip for {@link IEntityReference}.
+ */
+function domTooltipEntityReference(
+  ref: IEntityReference,
+  cst: IConstituenta | undefined,
+  canClick?: boolean
+): TooltipView {
+  const dom = document.createElement('div');
+  dom.className = clsx(
+    'max-h-[25rem] max-w-[25rem] min-w-[10rem]',
+    'dense',
+    'p-2 flex flex-col',
+    'border shadow-md',
+    'cc-scroll-y',
+    'text-sm',
+    'select-none cursor-auto'
+  );
+
+  const header = document.createElement('p');
+  header.innerHTML = '<b>Ссылка на конституенту</b>';
+  dom.appendChild(header);
+
+  const term = document.createElement('p');
+  term.innerHTML = `<b>${ref.entity}:</b> ${describeConstituentaTerm(cst)}`;
+  dom.appendChild(term);
+
+  const grams = document.createElement('div');
+  grams.className = 'flex flex-wrap gap-1 mt-1';
+  parseGrammemes(ref.form).forEach(gramStr => {
+    const gram = document.createElement('div');
+    gram.id = `tooltip-${gramStr}`;
+    gram.className = clsx(
+      'min-w-[3rem]', //
+      'px-1',
+      'border rounded-md',
+      'text-sm text-center whitespace-nowrap'
+    );
+    gram.style.borderWidth = '1px';
+    gram.style.borderColor = colorFgGrammeme(gramStr);
+    gram.style.color = colorFgGrammeme(gramStr);
+    gram.style.fontWeight = '600';
+    gram.style.backgroundColor = APP_COLORS.bgInput;
+    gram.innerText = labelGrammeme(gramStr);
+    grams.appendChild(gram);
+  });
+  dom.appendChild(grams);
+
+  if (canClick) {
+    const clickTip = document.createElement('p');
+    clickTip.className = 'text-center text-xs mt-1';
+    clickTip.innerHTML = 'Ctrl + клик для перехода</br>Ctrl + пробел для редактирования';
+    dom.appendChild(clickTip);
+  }
+
+  return { dom: dom };
+}
+
+/**
+ * Create DOM tooltip for {@link ISyntacticReference}.
+ */
+function domTooltipSyntacticReference(
+  ref: ISyntacticReference,
+  masterRef: string | undefined,
+  canClick?: boolean
+): TooltipView {
+  const dom = document.createElement('div');
+  dom.className = clsx(
+    'max-h-[25rem] max-w-[25rem] min-w-[10rem]',
+    'dense',
+    'p-2 flex flex-col',
+    'border shadow-md',
+    'cc-scroll-y',
+    'text-sm',
+    'select-none cursor-auto'
+  );
+
+  const header = document.createElement('p');
+  header.innerHTML = '<b>Связывание слов</b>';
+  dom.appendChild(header);
+
+  const offset = document.createElement('p');
+  offset.innerHTML = `<b>Смещение:</b> ${ref.offset}`;
+  dom.appendChild(offset);
+
+  const master = document.createElement('p');
+  master.innerHTML = `<b>Основная ссылка: </b> ${masterRef ?? 'не определена'}`;
+  dom.appendChild(master);
+
+  const nominal = document.createElement('p');
+  nominal.innerHTML = `<b>Начальная форма:</b> ${ref.nominal}`;
+  dom.appendChild(nominal);
+
+  if (canClick) {
+    const clickTip = document.createElement('p');
+    clickTip.className = 'text-center text-xs mt-1';
+    clickTip.innerHTML = 'Ctrl + пробел для редактирования';
+    dom.appendChild(clickTip);
+  }
+
+  return { dom: dom };
+}
diff --git a/rsconcept/frontend/src/utils/codemirror.ts b/rsconcept/frontend/src/utils/codemirror.ts
index adf778f2..5d6e6521 100644
--- a/rsconcept/frontend/src/utils/codemirror.ts
+++ b/rsconcept/frontend/src/utils/codemirror.ts
@@ -3,26 +3,20 @@
  */
 import { syntaxTree } from '@codemirror/language';
 import { NodeType, Tree, TreeCursor } from '@lezer/common';
-import { EditorState, ReactCodeMirrorRef, SelectionRange, TooltipView } from '@uiw/react-codemirror';
-import clsx from 'clsx';
+import { EditorState, ReactCodeMirrorRef, SelectionRange } from '@uiw/react-codemirror';
 
 import { ReferenceTokens } from '@/features/rsform/components/RefsInput/parse';
 import { RefEntity } from '@/features/rsform/components/RefsInput/parse/parser.terms';
 import { GlobalTokens } from '@/features/rsform/components/RSInput/rslang';
-import { IEntityReference, ISyntacticReference } from '@/features/rsform/models/language';
-import { parseEntityReference, parseGrammemes, parseSyntacticReference } from '@/features/rsform/models/languageAPI';
-import { IConstituenta } from '@/features/rsform/models/rsform';
-import { isBasicConcept } from '@/features/rsform/models/rsformAPI';
+import { parseEntityReference, parseSyntacticReference } from '@/features/rsform/models/languageAPI';
 import { SyntaxTree } from '@/features/rsform/models/rslang';
-import { APP_COLORS, colorFgGrammeme } from '@/styling/color';
 
 import { PARAMETER } from './constants';
-import { describeConstituentaTerm, labelCstTypification, labelGrammeme } from './labels';
 
 /**
  * Represents syntax tree node data.
  */
-export interface SyntaxNode {
+interface SyntaxNode {
   type: NodeType;
   from: number;
   to: number;
@@ -31,7 +25,7 @@ export interface SyntaxNode {
 /**
  * Represents syntax tree cursor data.
  */
-export interface CursorNode extends SyntaxNode {
+interface CursorNode extends SyntaxNode {
   isLeaf: boolean;
 }
 
@@ -214,184 +208,6 @@ export function findReferenceAt(pos: number, state: EditorState) {
   }
 }
 
-/**
- * Create DOM tooltip for {@link Constituenta}.
- */
-export function domTooltipConstituenta(cst?: IConstituenta, canClick?: boolean): TooltipView {
-  const dom = document.createElement('div');
-  dom.className = clsx(
-    'max-h-[25rem] max-w-[25rem] min-w-[10rem]',
-    'dense',
-    'p-2',
-    'border shadow-md',
-    'cc-scroll-y',
-    'text-sm font-main'
-  );
-
-  if (!cst) {
-    const text = document.createElement('p');
-    text.innerText = 'Конституента не определена';
-    dom.appendChild(text);
-  } else {
-    const alias = document.createElement('p');
-    alias.className = 'font-math';
-    alias.style.overflowWrap = 'anywhere';
-    alias.innerHTML = `<b>${cst.alias}:</b> ${labelCstTypification(cst)}`;
-    dom.appendChild(alias);
-
-    if (cst.term_resolved) {
-      const term = document.createElement('p');
-      term.innerHTML = `<b>Термин:</b> ${cst.term_resolved}`;
-      dom.appendChild(term);
-    }
-
-    if (cst.definition_formal) {
-      const expression = document.createElement('p');
-      expression.innerHTML = `<b>Выражение:</b> ${cst.definition_formal}`;
-      dom.appendChild(expression);
-    }
-
-    if (cst.definition_resolved) {
-      const definition = document.createElement('p');
-      definition.innerHTML = `<b>Определение:</b> ${cst.definition_resolved}`;
-      dom.appendChild(definition);
-    }
-
-    if (cst.convention) {
-      const convention = document.createElement('p');
-      if (isBasicConcept(cst.cst_type)) {
-        convention.innerHTML = `<b>Конвенция:</b> ${cst.convention}`;
-      } else {
-        convention.innerHTML = `<b>Комментарий:</b> ${cst.convention}`;
-      }
-      dom.appendChild(convention);
-    }
-
-    if (cst.spawner_alias) {
-      const derived = document.createElement('p');
-      derived.innerHTML = `<b>Основание:</b> ${cst.spawner_alias}`;
-      dom.appendChild(derived);
-    }
-
-    if (cst.spawn_alias.length > 0) {
-      const children = document.createElement('p');
-      children.innerHTML = `<b>Порождает:</b> ${cst.spawn_alias.join(', ')}`;
-      dom.appendChild(children);
-    }
-
-    if (canClick) {
-      const clickTip = document.createElement('p');
-      clickTip.className = 'text-center text-xs mt-1';
-      clickTip.innerText = 'Ctrl + клик для перехода';
-      dom.appendChild(clickTip);
-    }
-  }
-  return { dom: dom };
-}
-
-/**
- * Create DOM tooltip for {@link IEntityReference}.
- */
-export function domTooltipEntityReference(
-  ref: IEntityReference,
-  cst: IConstituenta | undefined,
-  canClick?: boolean
-): TooltipView {
-  const dom = document.createElement('div');
-  dom.className = clsx(
-    'max-h-[25rem] max-w-[25rem] min-w-[10rem]',
-    'dense',
-    'p-2 flex flex-col',
-    'border shadow-md',
-    'cc-scroll-y',
-    'text-sm',
-    'select-none cursor-auto'
-  );
-
-  const header = document.createElement('p');
-  header.innerHTML = '<b>Ссылка на конституенту</b>';
-  dom.appendChild(header);
-
-  const term = document.createElement('p');
-  term.innerHTML = `<b>${ref.entity}:</b> ${describeConstituentaTerm(cst)}`;
-  dom.appendChild(term);
-
-  const grams = document.createElement('div');
-  grams.className = 'flex flex-wrap gap-1 mt-1';
-  parseGrammemes(ref.form).forEach(gramStr => {
-    const gram = document.createElement('div');
-    gram.id = `tooltip-${gramStr}`;
-    gram.className = clsx(
-      'min-w-[3rem]', //
-      'px-1',
-      'border rounded-md',
-      'text-sm text-center whitespace-nowrap'
-    );
-    gram.style.borderWidth = '1px';
-    gram.style.borderColor = colorFgGrammeme(gramStr);
-    gram.style.color = colorFgGrammeme(gramStr);
-    gram.style.fontWeight = '600';
-    gram.style.backgroundColor = APP_COLORS.bgInput;
-    gram.innerText = labelGrammeme(gramStr);
-    grams.appendChild(gram);
-  });
-  dom.appendChild(grams);
-
-  if (canClick) {
-    const clickTip = document.createElement('p');
-    clickTip.className = 'text-center text-xs mt-1';
-    clickTip.innerHTML = 'Ctrl + клик для перехода</br>Ctrl + пробел для редактирования';
-    dom.appendChild(clickTip);
-  }
-
-  return { dom: dom };
-}
-
-/**
- * Create DOM tooltip for {@link ISyntacticReference}.
- */
-export function domTooltipSyntacticReference(
-  ref: ISyntacticReference,
-  masterRef: string | undefined,
-  canClick?: boolean
-): TooltipView {
-  const dom = document.createElement('div');
-  dom.className = clsx(
-    'max-h-[25rem] max-w-[25rem] min-w-[10rem]',
-    'dense',
-    'p-2 flex flex-col',
-    'border shadow-md',
-    'cc-scroll-y',
-    'text-sm',
-    'select-none cursor-auto'
-  );
-
-  const header = document.createElement('p');
-  header.innerHTML = '<b>Связывание слов</b>';
-  dom.appendChild(header);
-
-  const offset = document.createElement('p');
-  offset.innerHTML = `<b>Смещение:</b> ${ref.offset}`;
-  dom.appendChild(offset);
-
-  const master = document.createElement('p');
-  master.innerHTML = `<b>Основная ссылка: </b> ${masterRef ?? 'не определена'}`;
-  dom.appendChild(master);
-
-  const nominal = document.createElement('p');
-  nominal.innerHTML = `<b>Начальная форма:</b> ${ref.nominal}`;
-  dom.appendChild(nominal);
-
-  if (canClick) {
-    const clickTip = document.createElement('p');
-    clickTip.className = 'text-center text-xs mt-1';
-    clickTip.innerHTML = 'Ctrl + пробел для редактирования';
-    dom.appendChild(clickTip);
-  }
-
-  return { dom: dom };
-}
-
 /**
  * Wrapper class for CodeMirror editor.
  *