The fix
Fake headers are easily fixed. When you want to make a header, there are three ways to create one:
Click the Heading editor button:
Select the heading text and type ctrlh.
Manually type the Markdown code for a header, which is either an underline made from dashes or equal signs, or one to three hash marks in front of or surrounding it (“or”, because the trailing ones are optional).
The exact symbol used defines the logical level (and visual size) of the resulting heading:
# Level 1 heading #
## Level 2 heading ##
### Level 3 heading ###
#### Level 4 heading ####
##### Level 5 heading #####
###### Level 6 heading ######
### No hashes at the end is also OK for any heading level
Level 1 heading
===============
Level 2 heading
---------------
Which produces:
Level 1 heading
Level 2 heading
Level 3 heading
Level 4 heading
Level 5 heading
Level 6 heading
No hashes at the end is also OK for any heading level
Level 1 heading
Level 2 heading
If you have existing fake headings, the easiest fix is to edit the post and replace the **
around the fake headings with ##
.
It's not just for human accessibility
This isn't just a matter of accessibility to visually-impaired humans either, it's a matter of accessibility to computers in general. The more we use correct formatting, the more the meaning and structure of the contents is reflected in the HTML of the post. This makes for more useful material for future uses that we might not yet have imagined.
And in the meantime, making our site less annoying to use for visually-impaired members, by avoiding easily-avoided formatting errors, is worthwhile all by itself.
What about bolding the leading sentence, thesis statement, or question summary?
That's fine! That's not a header, that's just a sentence being emphasised due to its importance in the answer, question, or paragraph. That's what our bold formatting is for. In fact, marking it as bold will correctly indicate that it's not supposed to be understood as a section header, improving meaning and accessibility. Using section heading formatting is only recommended for things that are actually section headings.