w:caps (All Capitals)

Displays all lowercase letters in the run as uppercase without altering the stored text.

Parent elements

w:rPr

Description

w:caps displays all lowercase letters in the run as uppercase characters. It is an on/off toggle property defined in ECMA-376 Part 1 §17.3.2.4.

Unlike converting text to uppercase, w:caps does not change the stored text — the underlying characters remain in their original case. Only the rendered glyphs are uppercased. This means a spell-checker still uses the original mixed-case text.

w:smallCaps and w:caps are mutually exclusive; if both are set, w:caps takes precedence.

Attributes

Attribute	Type	Possible Values	Description
`w:val`	`ST_OnOff`	`true`, `1`, `on` (enabled) / `false`, `0`, `off` (disabled). Omitting the attribute is equivalent to `true`.	Toggles All Caps on or off.

Examples

<w:r>
  <w:rPr>
    <w:caps/>
  </w:rPr>
  <w:t>all caps</w:t>
</w:r>

new Run(
  new RunProperties(new Caps()),
  new Text("all caps"));

Notes

The stored text is unchanged; only rendering is affected.
If w:caps and w:smallCaps are both present, w:caps wins.