Localization

[FG-Samuli]

Found this
Stack overflow

[FG-Samuli]

Some translations missing at least in Finnish translation. I added these rows at the end of the viewer.ftl

##  Edit a comment dialog

pdfjs-editor-edit-comment-actions-button-label = Toiminnot
pdfjs-editor-edit-comment-actions-button =
    .title = Toiminnot
pdfjs-editor-edit-comment-close-button-label = Sulje
pdfjs-editor-edit-comment-close-button =
    .title = Sulje
pdfjs-editor-edit-comment-actions-edit-button-label = Muokkaa
pdfjs-editor-edit-comment-actions-delete-button-label = Poistaa
pdfjs-editor-edit-comment-manager-text-input =
    .placeholder = Lisää kommentti

pdfjs-editor-edit-comment-manager-cancel-button = Peruuta
pdfjs-editor-edit-comment-manager-save-button = Tallenna

## Edit a comment button in the editor toolbar

pdfjs-editor-edit-comment-button =
    .title = Muokkaa kommenttia

[marco-c]

Translations are done in Pontoon, and then automatically synchronized back to the repository. If you are interested in contributing translations, you can follow https://mozilla-l10n.github.io/introduction/.

This particular problem should be fixed with #20159.