Missing whitespace highlight in multi-line strings

[Nick-Hall]

Describe the issue

A single space before or after a newline in a multi-line string is not highlighted.

To Reproduce the issue

Create the source string "Hello\n world." and view it in the editor.

Expected behavior

I expect to see "Hello" on the first line and " world." on the second line with the leading space highlighted.

Server configuration and status

Hosted Weblate - Gramps project (trial)

The actual string is here. The space before "Available" in the English source string is not highlighted and will probably be missed by translators.

Suggested Fix

On line 68 in the trans/templatetags/translations.py file, specify the re.MULTILINE regular expression flag.

e.g. WHITESPACE_RE = re.compile(r"( +| $|^ )", re.M)

Sorry, I haven't set up a development environment to test this yet.

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