Quote consistency in .info.yml files for Core modules

Problem/Motivation

While evaluating and researching core modules, it was noticed that are a few inconsistencies in .info.yml files, specifically, the use of single and double quotes around titles and descriptions.

Analysis:

Modules with one word titles (with no quotes): 41
Modules with one word titles (with single quotes): 2
Modules with multiple word titles (with single quotes): 22
Modules with multiple word titles (with no quotes): 9
Description (with single quotes): 67
Description (with no quotes): 3
Description (with double quotes): 1

Proposed resolution

Update modules to have the following:

Standards proposal for name and description values:

• The first character in the name value is a letter or underscore.
• Name and description have to be resolved to strings by Yaml.
• Single quoting of values is allowed in some cases. (see below)
• Double quoting of values is not allowed.
• The value mapping indicator (:) should be followed by a single space.

In the following cases, use single quoting:

• Value contains a : followed by a <space> or a # preceded by a <space>.
• Value contains any of the following characters with or without a preceding colon: { } [ ] <comma>
• Values matches completely with any of these: true false yes no y n on off null ~
• Value starts with any of these characters: ! & * { } [ ] , # | > @ ` " \ ' <space> %
• Value starts with a ?, : or - followed by a <space>.

See also https://www.drupal.org/docs/creating-custom-modules/let-drupal-know-abou... →

Remaining tasks

3. Clarify what the standards are.
4. Write tests to prevent issue from occurring in the future as new or experimental modules are added to core.
5. Edit Drupal documentation pages to explain standards.

User interface changes

None

API changes

None

Data model changes

None