fixes

.github/workflows/grunt.yml

@@ -23,7 +23,11 @@
 name: grunt
 'on':
   push:
+    branches:
+      - master
   pull_request:
+    branches:
+      - master
 jobs:
   grunt:
     strategy:
@@ -33,10 +37,10 @@ jobs:
         node: [16]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
-      with:
-        node-version: ${{ matrix.node }}
-    - run: npm install
-    - run: npm install --force -g grunt-cli
-    - run: grunt
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+      - run: npm install
+      - run: npm install --force -g grunt-cli
+      - run: grunt

.github/workflows/markdown-lint.yml

@@ -1,6 +1,6 @@
 # The MIT License (MIT)
 #
-# Copyright (c) 2015-2025 Yegor Bugayenko
+# Copyright (c) 2019-2025 Yegor Bugayenko
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -28,10 +28,6 @@ name: markdown-lint
   pull_request:
     branches:
       - master
-    paths-ignore: ['paper/**', 'sandbox/**']
-concurrency:
-  group: markdown-lint-${{ github.ref }}
-  cancel-in-progress: true
 jobs:
   markdown-lint:
     runs-on: ubuntu-24.04

.github/workflows/up.yml

@@ -31,7 +31,7 @@ jobs:
       - run: |-
           git fetch --tags --force && \
           latest=$(git tag --sort=creatordate | tail -1) && \
-          sed -E -i "s/tacit-css@[0-9]+\.[0-9]+\.[0-9]+/tacit-css@${latest}/g" README.md
+          sed -E -i "s/tacit-css@[0-9.]+/tacit-css@${latest}/g" README.md
       - uses: peter-evans/create-pull-request@v7
         with:
           commit-message: 'new version in README'