diff options
Diffstat (limited to 'src/guile/skribilo/package/eq/lout.scm')
| -rw-r--r-- | src/guile/skribilo/package/eq/lout.scm | 38 |
1 files changed, 23 insertions, 15 deletions
diff --git a/src/guile/skribilo/package/eq/lout.scm b/src/guile/skribilo/package/eq/lout.scm index 30a6d39..6469bea 100644 --- a/src/guile/skribilo/package/eq/lout.scm +++ b/src/guile/skribilo/package/eq/lout.scm @@ -120,21 +120,29 @@ (simple-lout-markup-writer <=) (simple-lout-markup-writer >=) -(markup-writer 'eq:expt (find-engine 'lout) - :action (lambda (node engine) - (let ((body (markup-body node))) - (if (= (length body) 2) - (let ((base (car body)) - (expt (cadr body))) - (display " { { ") - (if (markup? base) (display "(")) - (output base engine) - (if (markup? base) (display ")")) - (display " } sup { ") - (output expt engine) - (display " } } ")) - (skribe-error 'eq:expt "wrong number of arguments" - body))))) +(define-macro (binary-lout-markup-writer sym lout-name) + `(markup-writer ',(symbol-append 'eq: sym) (find-engine 'lout) + :action (lambda (node engine) + (let ((body (markup-body node))) + (if (= (length body) 2) + (let* ((first (car body)) + (second (cadr body)) + (parentheses? (equation-markup? first))) + (display " { { ") + (if parentheses? (display "(")) + (output first engine) + (if parentheses? (display ")")) + (display ,(string-append " } " lout-name " { ")) + (output second engine) + (display " } } ")) + (skribe-error ,(symbol-append 'eq: sym) + "wrong number of arguments" + body)))))) + +(binary-lout-markup-writer expt "sup") +(binary-lout-markup-writer in "element") +(binary-lout-markup-writer notin "notelement") + |