<commit_before><table class="mat-calendar-table" role="grid">
  <thead class="mat-calendar-table-header">
    <tr>
      <th scope="col" *ngFor="let day of _weekdays" [attr.aria-label]="day.long">
        {{day.narrow}}
      </th>
    </tr>
    <tr><th aria-hidden="true" class="mat-calendar-table-header-divider" colspan="7"></th></tr>
  </thead>
  <tbody mat-calendar-body
         [label]="_monthLabel"
         [rows]="_weeks"
         [todayValue]="_todayDate!"
         [startValue]="_rangeStart!"
         [endValue]="_rangeEnd!"
         [comparisonStart]="_comparisonRangeStart"<commit_msg>fix(material/datepicker): use cdk-visually-hidden on calendar header (#24523)<commit_after><table class="mat-calendar-table" role="grid">
  <thead class="mat-calendar-table-header">
    <tr>
      <th scope="col" *ngFor="let day of _weekdays">
        <span class="cdk-visually-hidden">{{day.long}}</span>
        <span aria-hidden="true">{{day.narrow}}</span>
      </th>
    </tr>
    <tr><th aria-hidden="true" class="mat-calendar-table-header-divider" colspan="7"></th></tr>
  </thead>
  <tbody mat-calendar-body
         [label]="_monthLabel"
         [rows]="_weeks"
         [todayValue]="_todayDate!"
         [startValue]="_rangeStart!"
         [endValue]="_rangeEnd!"
         [comparisonStart]="_comparisonRangeStart"
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{'dir': 'git-commits-cleaned', 'id': '6526708', 'n_tokens_mistral': 451, 'n_tokens_neox': 426, 'n_words': 65}