Document 2 functions in markup-macros.scm (issue 581570043 by address@hidden)

[lemzwerg]

Some nits.


https://codereview.appspot.com/581570043/diff/563450043/scm/markup-macros.scm
File scm/markup-macros.scm (right):

https://codereview.appspot.com/581570043/diff/563450043/scm/markup-macros.scm#newcode419
scm/markup-macros.scm:419: "Lookup procedure in the current module, or
return #f"
s/Lookup/Look up/

https://codereview.appspot.com/581570043/diff/563450043/scm/markup-macros.scm#newcode427
scm/markup-macros.scm:427: "Return (PROC . SIG) for a markup command, or
return #f"
Mhmm, what is 'PROC', what is 'SIG'?  For me, this doc string is still
too terse...

https://codereview.appspot.com/581570043/