More troff bits; if you want them elsewhere, feel free to repo copy them.
diff --git a/src/cmd/index/see.terms b/src/cmd/index/see.terms
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+soft constraints penalty function
+[>>> <<<] error messages
+omitted data value default symbol
+data value, omitted default symbol
+["].\|.\|.["], ['].\|.\|.['] quotes
+[..] arithmetic progression
+[=] attribute defined variables
+[.body] constraint body
+built-in function function
+Cartesian product cross product
+conditional expression logical expression, [if]-[then]-[else]
+conditional declaration [if] indexing expression
+[.dat] file file
+[.dual] dual value
+Lagrange multiplier dual variables
+index dummy index
+iterated operator operator
+comparison operators relational operators
+[maximize] objective declaration
+[minimize] objective declaration
+model file file
+[.mod] file file
+price, shadow dual value
+problem model %also
+[.rc] reduced cost
+data reset [reset] [data] command
+scaling along arc loss in network flow
+scope dummy index %also
+set of sets indexed collection
+shadow price dual value
+marginal~value dual value
+simplification of expression presolve %also
+starting guess initial values of variables
+[subject] [to] constraint declaration
+[s.t.] constraint declaration
+symmetric difference [symdiff]
+set difference [diff], [symdiff]
+syntax error error messages
+messages error messages
+space requirement memory use
+viewing data [display] command
+[;] semicolon statement terminator
+array one-dimensional set, parameter
+vector one-dimensional set, parameter
+matrix two-dimensional set, parameter
+command mode model mode
+[>], [>>] output to file
+redirection output to file
+qualified name [.] suffix
+member, dummy dummy index
+membership test [in], [within]
+subset test [in], [within]
+such-that condition logical condition
+set intersection [inter]
+intersection, set [inter]
+slope piecewise-linear expression
+breakpoint piecewise-linear expression
+command statement %also
+statement command, declaration %also
+declaration statement %also
+traffic flow maximum flow model
+flow network flow
+roll trim problem cutting-stock problem
+argument command-line argument
+zero-one programming integer programming
+reading files [model], [data]
+file inclusion [model], [data]
+[include] [model], [data] %also
+transposition table transposition
