Mrthdrb

I have two minipages side-by-side, and one is of a larger font size than the other – this is to produce a title. However, the baselines of the minipages are aligned, and not the top. I would prefer for the text in both minipages to align at their tops rather than their baselines.

Here is a minimal working example, and its output:

documentclassarticle

% Show the frame to see the line I would like to align at.
usepackage[showframe]geometry 

begindocument
noindent
beginminipage[t]80pthuge Baselineendminipage
beginminipage[t]100ptBaseline baseline with lots and lots of text, consider this a paragraphendminipage
enddocument

To be clear, I would like for the paragraph on the right to touch the top line just like the huge text on the left.

I tried to align the top by first having a rule0pt1emvspace-1em before the paragraphs start, but this doesn't work, presumably due to the change in line separation in different sizes, and the alignment gets even worse. I won't show the result but here's the code for that anyway:

documentclassarticle
usepackage[showframe]geometry 
% This does NOT produce the desired result.
begindocument
noindent
beginminipage[t]80pt%
 rule0pt1emvspace-1em

 huge Baseline
endminipage
beginminipage[t]100pt%
 rule0pt1emvspace-1em

 Baseline baseline with lots and lots of text, consider this a paragraph
endminipage
enddocument

So: how can I align the tops of these minipages, rather than aligning their top baseline?

The belowbaseline[<depth>]<content> macro of stackengine. Note, there is a corresponding abovebaseline[<height>]<content> macro.

documentclassarticle
usepackagestackengine
% Show the frame to see the line I would like to align at.
usepackage[showframe]geometry 

begindocument
noindent
belowbaseline[-htstrutbox]beginminipage[t]80pthuge Baselineendminipage
belowbaseline[-htstrutbox]beginminipage[t]100ptBaseline baseline with lots and 
 lots of text, consider this a paragraphendminipage
enddocument

This seems to also work:

documentclassarticle

% Show the frame to see the line I would like to align at.
usepackage[showframe]geometry 

begindocument
noindent
raiseboxbaselineskipraisebox-heightbeginminipage[t]80pthuge Baselineendminipage
 raisebox-heightbeginminipage[t]100ptBaseline baseline with lots and lots of text, consider this a paragraphendminipage
enddocument

One can use raisebox to move the baseline of a box (with TeX everything is a box). It should be noted that the first baseline of a page is located topskip below the actual top. Otherwise, one should use htstrutbox.

documentclassarticle

% Show the frame to see the line I would like to align at.
usepackage[showframe]geometry 

begindocument
noindent
raiseboxdimexpr topskip-heightbeginminipage[t]80pthuge Baselineendminipage
raiseboxdimexpr topskip-heightbeginminipage[t]100ptBaseline baseline with lots and lots of text, consider this a paragraphendminipage
enddocument

As pointed out by @Phelype Oleninik, adding a vspace0pt aligns the two with an extra line which is topskip tall. Hence adding the line vspace0ptvspace-topskip, or even just vspace-topskip, aligns the two paragraphs at the top of their minipages. Here is working code:

documentclassarticle
usepackage[showframe]geometry 
begindocument
noindent
beginminipage[t]80pt%
 vspace-topskip
 huge Baseline
endminipage
beginminipage[t]100pt%
 vspace-topskip
 Baseline baseline with lots and lots of text, consider this a paragraph
endminipage
enddocument

Result: