chore(format-po): split multi line comments

[aseerkt]

Description

Split multi line comments for better message extraction

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Examples update

Fixes #1978

Checklist

• I have read the CONTRIBUTING and CODE_OF_CONDUCT docs
• I have added tests that prove my fix is effective or that my feature works
• I have added the necessary documentation (if appropriate)

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
js-lingui	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 3, 2024 3:54am

[github-actions]

size-limit report 📦

Path	Size
./packages/core/dist/index.mjs	2.88 KB (0%)
./packages/detect-locale/dist/index.mjs	723 B (0%)
./packages/react/dist/index.mjs	1.67 KB (0%)
./packages/remote-loader/dist/index.mjs	7.26 KB (0%)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.50%. Comparing base (d6b9698) to head (e334614).
Report is 41 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1980      +/-   ##
==========================================
- Coverage   76.65%   75.50%   -1.15%     
==========================================
  Files          81       85       +4     
  Lines        2090     2139      +49     
  Branches      533      546      +13     
==========================================
+ Hits         1602     1615      +13     
- Misses        375      411      +36     
  Partials      113      113              

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[aseerkt]

For format-json formatter, the behaviour changes as following. Not sure if this is the expected behaviour

{
  "y90vC+": {
    "translation": "",
    "message": "Bye World",
-   "comments": [
-     "this is multi\n      line comment" 
-   ]
+  "comments": [
+    "this is multi",     
+    "line comment" 
+  ]
  }
}

Should I only account for format-po formatter instead?

[timofei-iatsenko]

Should I only account for format-po formatter instead?

Yes, it should be in format-po instead, not a globally for catalog.