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spec: '' I should point to literature that supports my argument ( even if I wrote that literature ) . Their energy derives from the power of their outlines , and from the unexpected ways they've been fit onto the page . `` If you know his work , '' said John Bahcall of the Institute for Advanced Study , delivering his own appreciation , `` you might be inclined to think he is really several people , all of whom are engaged in a conspiracy to sign their work with the same name . Dr. Henry Sacheverell ( 1709-1710 ) . Likewise , the Christian teaching that husbands are to love their wives as Christ loved the church is a challenge to husbands to treat their wives with respect and love , not with violence and control . plot ( ) will create a new graph ; points ( ) simply adds data points to a pre-existing graph . The average trend in velocity vector orientations across the province ( Fig. For example , the abs ( ) method returns a new NumberSource each of whose values has the absolute value of the corresponding value in the original NumberSource . Once a callback function is bound and the specified condition is met , fl_do_forms ( ) or fl_check_forms ( ) invokes the callback function instead of returning the object . The library routines fl_do_forms ( ) and fl_check_forms ( ) read this queue and handle the events . The routine should return whether the status of the object is changed , i.e ., whether the event dispatcher should invoke this object 's callback or if no callback whether the object is to be returned to the application program by fl_do_forms ( ) or fl_check_forms ( ) . Output lines only for the s ( ) commands . Most tree injuries occur when mower operators attempt to trim close to tree trunks with a power mower . Basic concepts of microbiology , classification , metabolic activity and the effect of physical and chemical agents on microbial populations . He compiles the resulting data into digital databases using ARC / INFO , and produces digital geologic maps from the databases . Depending on the applications , it may be possible to partition the computation into smaller tasks that can be performed within an idle callback one after another , thus eliminating the need of using fl_check_forms ( ) . Of course , there might be several s ( ) commands so the output should be a sequence of percentages , one per line , stating the percentage of the windows that are visible . Factor out code to issue warnings , add flag to call_trapping_problems ( ) to postpone warning issue , and make * run_hook * _ trapping_problems issue their own warnings tailored to the hook , postponed in the case of safe_run_hook_trapping_problems ( ) so that the appropriate message can be issued about resetting to nil only when not ` quit ' . Standard document analysis techniques were employed to compare the similarities , distinguish the areas of divergence , and identify the various functions of presentation , scoring , feedback , and supporting documentation [ 22 ] , [ 23 ] . Note that the first plot is done using the high-level function plot ( ) , whereas the second is done using the low-level function points ( ) .