On 2017-08-11 09:48:50, Laszlo Ersek wrote:
> We currently say "stick with 80 if it's convenient, extend to 120
> otherwise". This is too lax; much new edk2 code ignores the 80 columns
> recommendation, resulting in source files that are hard to read for some
> contributors. Remove the 120 columns excuse and make 80 columns a
> requirement.
> 
> Cc: Ard Biesheuvel <ard.biesheu...@linaro.org>
> Cc: Jordan Justen <jordan.l.jus...@intel.com>
> Cc: Leif Lindholm <leif.lindh...@linaro.org>
> Cc: Michael D Kinney <michael.d.kin...@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Laszlo Ersek <ler...@redhat.com>
> ---
>  5_source_files/README.md | 17 ++++++++++++-----
>  README.md                |  1 +
>  2 files changed, 13 insertions(+), 5 deletions(-)
> 
> diff --git a/5_source_files/README.md b/5_source_files/README.md
> index a93492db4f0f..546d44d94fcb 100644
> --- a/5_source_files/README.md
> +++ b/5_source_files/README.md
> @@ -33,12 +33,19 @@
>  
>  ## 5.1 General Rules
>  
> -### 5.1.1 Lines shall be 120 columns, or less
> +### 5.1.1 Lines shall be 80 columns, or less
>  
> -Preferably, limit line lengths to 80 columns or less. When this doesn't leave
> -sufficient space for a good postfix style comment, extend the line to a total
> -of 120 columns. Having some level of uniformity in the expected width of the
> -source is useful for viewing and printing the code.
> +Limit line lengths to 80 columns.
> +
> +Lines longer than 80 columns make it more difficult for the reader to find 
> the
> +beginning of the next line. They also tend to prevent users from displaying 
> two
> +source listings side-by-side on common display devices.
> +
> +When the 80 columns limit doesn't leave sufficient space for a postfix style
> +comment, break the line into shorter segments at logical boundaries (for
> +example, between the arguments of a function call, adhering to the spacing
> +rules), or replace the postfix style comment with a standalone comment that
> +precedes the statement.
>  
>  ### 5.1.2 Do not use tab characters
>  
> diff --git a/README.md b/README.md
> index 8b9675b94937..8fad5a327b8c 100644
> --- a/README.md
> +++ b/README.md
> @@ -112,3 +112,4 @@ Copyright (c) 2006-2017, Intel Corporation. All rights 
> reserved.
>  | 2.1      | DRAFT for REFORMAT                                              
>                                                                               
>     | 10/30/2015 |
>  | 2.2      | Convert to Gitbook                                              
>                                                                               
>     | June 2017  |
>  |          | [#425](https://bugzilla.tianocore.org/show_bug.cgi?id=425) 
> [CCS] clarify line breaking and indentation requirements for multi-line 
> function calls |            |
> +|          | Limit lines to 80 columns                                       
>                                                                               
>     |            |

Prompting the question as to whether the markdown for this table could
reasonably be expressed in less that 173 columns? :)

Reviewed-by: Jordan Justen <jordan.l.jus...@intel.com>
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